©2013-2014 DJI. All RightsReserved. 1

A2 Flight Control System

User Manual V1.22

May, 2015 Revision

Thank you for purchasing DJI products. Please strictly follow these steps to mount and connect this system on your aircraft, install the PC Assistant Software on your computer, as well as installing the DJI Assistant App on your mobile device.

Please regularly check the web page of corresponding products on our website www.dji.com, which is updated regularly. Product information, technical updates and manual corrections will be available on this website. Due to unforeseen changes or product upgrades, the information contained in this manual is subject to change without notice.

* This manual is for basic assembly and configuration; you can obtain more details and advanced instructions when

using the Assistant Software. To assure you have the latest information, please visit our website and download the

latest manual and current software version.

If you have any problems that you cannot solve during usage, please contact your authorized dealer.
©2013-2014 DJI. All RightsReserved. 2

Content

INTRODUCTION..............................................................................................................4

PRODUCTINTRODUCTION........................................................................................................4

INTHEBOX...........................................................................................................................4

EQUIPMENTPREPAREDBYUSERS..............................................................................................4

SYSTEM INTRODUCTION...........................................................................................................5

SYMBOLINSTRUCTION ............................................................................................................5

1 ASSEMBLYANDCONFIGURATION................................................................................6

1.1HARDWAREINSTALLATIONANDCONNECTION ........................................................................6

1.1.1 Mixer TypeSupported ...........................................................................................6

1.1.2 Hardware Connection Diagram.............................................................................7

1.1.3 Important for Assembly and Connection...............................................................7

1.2SOFTWAREINSTALLATIONANDCONFIGURATION...................................................................15

1.2.1 Installing Driver and Assistant Software .............................................................15

1.2.2 Configure using Assistant Software on a PC........................................................16

1.2.3 Configure the control mode switch .....................................................................17

1.2.4 Configuration Checking.......................................................................................19

1.2.5 Tools....................................................................................................................20

1.3COMPASSCALIBRATION...................................................................................................22

2 BASICFLYING.............................................................................................................23

2.1CONTROLMODEINSTRUCTION.........................................................................................23

2.2FLYINGENVIRONMENTREQUIREMENTS..............................................................................25

2.3CHECKLISTBEFOREFLYING...............................................................................................25

2.4POWERONANDCHECK...................................................................................................26

2.5STARTMOTORSMETHODS...............................................................................................26

2.6BASICFLYINGTEST .........................................................................................................28

3 PROTECTION FUNCTIONSSETTING............................................................................30

3.1FAILSAFE......................................................................................................................30

3.2LOW VOLTAGEPROTECTION..............................................................................................31

4 ADVANCED FEATURES................................................................................................33

4.1IOC(INTELLIGENTORIENTATIONCONTROL) FUNCTION..........................................................33

4.1.1IOC........................................................................................................................33
©2013-2014 DJI. All RightsReserved. 3

4.1.2 Cruise Control......................................................................................................37

4.2SERVOGIMBALFUNCTION................................................................................................39

4.3FLIGHTLIMITS...............................................................................................................39

4.3.1 Max Height, RadiusLimits& Home Fence...........................................................39

4.3.2 Flight Limitsof Special Areas...............................................................................41

4.3.3 Conditionsof Flight Limits...................................................................................43

4.4 PARACHUTEFUNCTION..............................................................................................44

4.5GEARFUNCTION ............................................................................................................44

4.6ATTITUDECONTROLWHENONEMOTOROUTPUTFAILS........................................................45

4.7DJIASSISTANTAPPUSAGE...............................................................................................45

APPENDIX.....................................................................................................................48

LEDINDICATORDESCRIPTIONS................................................................................................48

SPECIFICATIONS...................................................................................................................49

FAQ ..............................................................................................................................50

USEWITHOTHERDJI PRODUCTS.............................................................................................50

CHANNELMAPPINGINSTRUCTIONSFORPCASSISTANTSOFTWARE................................................54

RECOMMENDEDMAPPINGFORFUTABARC(MODE2,A2V2.4 ORBELOW) ..................................56

RECOMMENDEDMAPPINGFORFUTABARC(MODE2,A2V2.5ANDFUTABABELOW V5.0).............57

RECOMMENDEDMAPPINGFORFUTABARC(MODE2,A2V2.5ANDFUTABAV5.0) .......................57

RECOMMENDEDMAPPINGFORDJI NDJ6RC(A2V2.5)............................................................58

SETTINGSOFGAINVALUESFORYOURREFERENCE.......................................................................58

THETRANSMITTERSETUPOFFUTABA....................................................................................59

GPSSNRFUNCTIONSDESCRIPTION........................................................................................59

A2RECEIVERTYPEDESCRIPTION.............................................................................................61

DISCLAIMER.................................................................................................................62

TRADEMARK................................................................................................................62
©2013-2014 DJI. All RightsReserved. 4

Introduction

Product Introduction

The DJI A2 Multi-Rotor stabilization controller is a complete flight system for various multi-rotor platforms for commercial and industrial aerial photography. Based on the technology and design philosophy of DJI’ s Ace

series of high-performance controllers, the A2 offers you a brand new flight experience. Its flight mode provides a seamless transition for current Ace One, WKM APprofessionals. A2 features includes: (1) Integrated with high-precision sensor components and a high-performance GPSReceiver. (2) Utilizes high quality components precisely calibrated with temperature compensation in all gyros and

sensors, industry renowned flight algorithm in autopilot and UAV field. (3) Designed with built-in vibration absorption, no extra mount frame or vibration absorption pad is required. (4) Provide high precision control and high performance handling experience. (5) Based on the DESST technology, it has a built-in 16-channel Receiver, and supportsDSM2 satellite receiver. (6) Optional DJI D-BUSAdapter can be used with a traditional Receiver.

In the Box

Controller Unit

(Built-in Receiver DR16)

PMU(Power Management unit) IMU(Inertia Measurement Unit)

LED-BT-I GPS-COMPASSPRO PLUS Accessories Micro-USB Cable (1)

Servo Cables (2)

GPSBracket

Double side sticky pads. Equipment Prepared by Users

Aircraft (Take Quad-rotor for example: Red is nose, and Black is rear)Transmitter

(Take Mode2 for example)

Others

Battery

DJI D-BUSAdapter Mobile Device
©2013-2014 DJI. All RightsReserved. 5

System Introduction

The A2 flight control system uses the Controller Unit at its core, which is connected with the IMU, GPS-COMPASS PRO PLUS、 LED-BT-I、 PMU and ESCs to complete the system. The system can achieve the

height-lock and position-lock functionsby using the IMU and the GPS, to control the aircraft. Please carry out the following procedures to finish assembly, configuration and flight-testing.

Symbol Instruction

General Symbol

Forbidden(Important) Cautions Tips Reference

GPSSatellite number Distance TX signal good TX signal lost

Roll to left Roll to right Pitch up Pitch down LED Symbol

(N) N=1 N=2 N=3 N=4 N=6 N=20 N=∝ Meaning One Blink Two Blinks Three Blinks Four Blinks Six Blinks Twenty Blinks Continuous Blinks e.g. (3) means three Red blinks.

(∝ )LED blinks yellow and green alternatively.

(N) N=∝ Meaning Continuous Solid on

e.g. (∝) means Continuous Blue Solid on.

Configure the system using A2 Assistant software. Basic flying test FailSafe and Low-voltage settings Advanced functions: IOC, Gimbal, GearMount the A2 flight control system on your aircraft finish connection.
©2013-2014 DJI. All RightsReserved. 6

1Assembly and Configuration

For hardware installation, software configuration and compass calibration please adhere to the following

sections. 1.1Hardware Installation and Connection

(1) Please adhere to “1.1.1Mixer Type Supported” to choose a mixer type and assemble your aircraft. (2) Please adhere to both “1.1.2 Hardware Connection Diagram” and “1.1.3 Important for Assembly and

Connection” to install and connect all unitson your aircraft.

1.1.1 Mixer Type Supported

Following Mixer Types are supported.

Quad-rotor X Hexa-rotor I

Hexa-rotor V Hexa-rotor Y

Quad-rotor I

Hexa-rotor IY

Octo-rotor X Octo-rotor I Octo-rotor V

The direction of the arrow in diagram indicates the rotation direction of the motor/propeller. For coaxial propellers: Blue propeller is at TOP; Red propeller is at Bottom. Otherwise all propellers are at top.
©2013-2014 DJI. All RightsReserved. 7

1.1.2 Hardware Connection Diagram

90

o

ESC 1# ESC 2# ESC 3# ESC 4# ESC 5# ESC 6# ESC 7# ESC 8#

Im portant

M ake sure the cable connections are tight before every flight. Suitable amount of hot melt adhesive is recommended to use in

the connections to the CAN1 and

CAN2 ports.

Im portant CAN-Bus, it provides power supply and communication. A2 can

automatically identify the device

connected. CAN1 and CAN2 ports are working

i d d t d i t d

-

I

Supply power for all ports on 2S~ 6S both sides of controller unit. Bat tery

1.1.3 Important for Assembly and Connection

This section describes all device port functions, assembly requirements, connection requirements and tips during usage. Also the linking procedures between the built-in Receiver DR16 and your Transmitter. Please read

all information below carefully, especially if you are a first time user. (1) Controller Unit

The Controller Unit is the core component of the A2 flight control system: (1) M1~M8 are used to connect to the ESCs of the aircraft. (2) The built-in Receiver DR16 is based on DJI DESST technology, which can be used with the Futaba FASST

series and DJI DESST seriesTransmitter. (3) CAN1and CAN2 ports are working independently and should connect to different modules. (4) 4 independent and configurable outputs. (5) It is compatible with the external Receiver, e.g. DSM2 satellite Receiver. (6) Use the optional DJI DBUSAdapter to support the traditional receiver.
©2013-2014 DJI. All RightsReserved. 8

Port Description

Connect to

iOSD MARK II, Z15 from

GPS-COMPASSPRO P

To PW port of P

LED- 2.4G DATA LINK from

achute USReceiver Connect to X1of PMU for voltage detection M2 satellite Receiver na

Link button of Built-in r e the linking status DR16 and transmitter unction PWM output channels, can directly give

signal from the Receiver if mapped to a

er channel*

Gimbal function is enabled in Assistant Software, an only be used for gimbal Pitch/ Roll control, which means F2/F3 cannot be mapped to any other Receiver channel. *If the Gear function is enabled in Assistant Software, F1 can only be used for gear switch control, which means F1 cannot be mapped to any other Receiver channel. Mounting Requirements:

Install the Controller Unit in the proper position to make sure the ports are accessible. No specified direction is

required. Place the antennas in an open space under the aircraft,DO NOT block them. Position the heads of

two antennas at a 90-degree angle. DO NOT bend or wind them. Receiver System

The A2 flight control system can use its own built-in Receiver, and also can support external receivers. Whatever

type of Receiver is used, please make sure that the Receiver and Transmitter is linked correctly before use. A. Built-in Receiver

For enhancing the system integration and reliability, the A2 is integrated with a 2.4G receiver based on

frequency hopping technology. The built-in Receiver can be used with the Transmitter of Futaba FASST series or DJI DESST series after linking. For users, you are only asked to carry out the link procedures, no extra

requirement for connection. Please carry out the following procedures to finish the Link process, and the configuration in the A2 Assistant software->Basic ->R/C ->Receiver Type. Select the DR16 option. During use, you may see the following LED indication, please do the operation according to the table below. LED Description Operation

(∝) Signal from Transmitter has been detected by the Receiver, but not matched. Link operation required

(∝)

No Transmitter signal is received, e.g. the flight control system is powered on

but the Transmitter is powered off. Switch on

(∝) The Receiver and Transmitter have been linked to each other successfully. Can work normally
©2013-2014 DJI. All RightsReserved. 9

0.5m<Distance<1cm

1. Turn on the transmitter, it begins to send signals after 1.5secs.

3.Press the LINK button, hold for 2secs, wait until the LED blinks Red . 4.Release the LINK button, the LED turns Green on after successfully linking.

Link Procedures

2.Power on the flight control system, configure the Receiver type as DR16 in

the Assistant software.

The DR16 Receiver is compatible with the Futaba transmitters which have optional FASSMODE MULT, MLT2 or 7CH. Users can find out more available Futaba transmitters and configuration requirements

refer to the FAQ->The Transmitter setup of FUTABA. B. DSM2 Satellite Receivers

If using DSM2 satellite Receivers, please follow the diagram for connection, set the Receiver referring to your Receiver manual, and select the Receiver type as DSM2 in the Assistant software->Basic->R/C->Receiver Type.

DSM2

satellite Receiver

1. Power on the flight control system, the Transmitter should be turned off.

3.Press and hold the LINK button on the controller unit the LED blinks red and the

indicators on the Receivers blink too. Then release the LINK button the Receiver will be ready for linking. 4.Press and hold the linking button on the Transmitter then turn on the Transmitter to

start linking, release the button after the Transmitter is displayed Linked or the

indicators on the Receivers are solid on.

Linking procedures

2.Set the Receiver type as DSM2 in the Assistant software.

5.The LED on the controller unit will be solid green on after linking successfully.

DSM2

satellite Receiver

Notes for the DSM2 users: There is no need to enable the FailSafe function in the Transmitter. If the Receiver loses the signal

from the Transmitter, the controller unit will enter into FailSafe automatically, and the aircraft will
©2013-2014 DJI. All RightsReserved. 10

hover or Go-home as configure in the FailSafe in the Assistant software. When using the dual-mode Transmitter, please set the transmiting mode as DSM2 in SYSTEM SET

UP->FRAME RATE ->MODE, which should not be DSMX. Support DSM2 satellite Receivers used with all SPEKTRUM Transmitters, e.g. DX6I DX7SDX8

DX18 etc., as well as JRTransmitters, e.g. DXS9II DXS11. C. S-BUSReceivers

If using S-BUS Receivers please follow the diagram for connection, set the Receiver referring to your Receiver manual, and select the Receiver type as D-BUSin the Assistant software->Basic->R/ C->Receiver Type.

S-BUS Receiver

Notes for the S-BUSusers:

It is no need to enable the FailSafe function in the Transmitter. Once the Receiver loses the

signals from the Transmitter, the controller unit will enter into FailSafe automatically, and the

aircraft will hover or Go-home as configurations of the FailSafe in the Assistant software. D. PPM Receivers

If using PPM Receivers please follow the diagram for connection, set the Receiver referring to your Receiver manual, and select the Receiver type asPPM in the Assistant software->Basic->R/ C->Receiver Type.

PPM

Receiver
©2013-2014 DJI. All RightsReserved. 11

E. Traditional Receivers

If using Traditional Receivers, the DJI D-BUSAdapter is required. Please follow the diagram for connection, set

the Receiver referring to your Receiver manual, and select the Receiver type as D-BUS in the Assistant software->Basic->R/ C->Receiver Type.

Traditional

Receiver

Im port ant en you use a traditional receiver, D-BUS ADAPTER is required. Put switch to the “ I” stop, and

er on the system, the LED should

be red on; otherwise, keep the switch

at “ I” stop and then power cycle the

system. · At the “ I” stop, the D-BUS ADAPTER

is converting the PWM signal from

traditional receiver to S-BUS signal. Notes for the traditional receiver users: When using the traditional receiver which doesn’ t have endpoint adjustment operations to set

FailSafe in the U channel, the Go-Home switch is recommended and users can use it to trigger

the FailSafe. Configure the FailSafe function of your transmitter and receiver according to its instructions, set the FailSafe position of the Go-Home switch in the position triggering the FailSafe function.

If it is configured correctly as mentioned above, the FailSafe function will be activated

automatically if the receiver loses the signal from the transmitter. Users can get more information about the FailSafe function referring to 3.1FailSafe in this manual and the help text in the Assistant software.
©2013-2014 DJI. All RightsReserved. 12

(2) IMU (Inertial Measurement Unit):

Built-in inertial sensors, for the measurement of aircraft attitude; built-in pressure sensor for the detection of aircraft altitude. Should be connected to the CAN1port of the Controller Unit, and be mounted according to

the required location and orientation. The IMU has been calibrated before delivery, it should be used under the

specified temperature; otherwise the temperature may have an effect on the IMU performance. Working environment temperature: -5

oC ~60oC Storage environment temperature:<60oC

Orientation Requirements: Please mount the IMU as one of the following options. Configure in the A2 Assistant software ->Basic ->Mount ->

IMU, and select the matched option.

Pointing Forward Pointing Backward Pointing to Left Pointing to Right Location Requirements:

Center of Gravit y Fix with

double faced

adhesive tape.

(1) The top side should be facing up. DO NOT mount upside-down. (2) DO NOT cover the ventilation holes, keep them unblocked and clean. (3) Take heat preservation measures if working in cold weather.

(1) Mount the IMU at a low vibration position and the sides of the IMU should be precisely parallel

to the aircraft body. Based on our experience, there is less vibration near the aircraft’ s center of gravity. (2) NOT water-proof or oil-proof. (3) Check the double faced adhesive tape regularly to make sure that the IMU is fixed firmly. There is a CAN-Bus connector, which can be used to connect to the GPS-COMPASS PRO PLUS or other DJI

product.
©2013-2014 DJI. All RightsReserved. 13

(3) GPS-COMPASSPRO PLUS

GPS-COMPASSPRO PLUSmodule has a built-in GPSand compass. The compass is used for geomagnetic field measurement. It should be mounted according to the required location and orientation. Compass calibration is

required before use. DO NOT use and store the compass in the ferromagnetic material environment. Mounting Procedure: a) Use the epoxy resin AB glue to assemble the GPSbracket first. The longest one is recommended.

b) Mount the bracket on the aircraft first, and then fix the GPS-COMPASSPRO PLUSon the plate of the

bracket (using the 3M sticky padsprovided). Mounting Position: The arrow is pointing to the

nose direction.

Use the GPSbracket, and

keep it away from other electronic equipment

Keep it parallel to the aircraft

P G S

S MOC- P

LP

SSA RP O U

Usage Requirements

(1) The DJI logo should be facing the sky, with the orientation arrow pointing directly to the nose

direction; otherwise it may lead to take off failure. (2) Fly the aircraft in an open space without buildings or trees; otherwise it may have an effect on

the GPS. (3) The compass is sensitive to magnetic interference, should be far away from electronic devices, otherwise it may lead to abnormal flying. (4) Please always keep the compass module away from magnet fields. Otherwise it may damage

the compass module and lead the aircraft to work abnormally or even be out of control. (4) PMU (Power Management Unit)

The PMU provides dual BECs (Battery Eliminator Circuit): (1) PW port outputspower for the whole Flight Control System with current no more than 2A.
©2013-2014 DJI. All RightsReserved. 14

(2) PX port outputspower (3A@5V) and V-SEV signal using the low voltage protection function.

In addition, there are two CAN-Bus ports for LED-BT-I connection and other DJI products (e.g. DJI 2.4G Data

Link). Port Description

To positive pole of power To negative pole of power

CAN-Bus port Connect to CAN1or CAN2 port of

Controller Unit, CAN2 is recommended.

V-SEN, Output 0V ~+3.3V

VCC, Output 3A@5V GND

Input voltage range: 7.4V~26V

PX Port, connect to the X1port of

Controller Unit Working status indicator Green on is normally working

Mounting Requirements:

Choose a ventilated place to mount the PMU for cooling, no mounting orientation requirement.

(5) LED-BT-I

The LED-BT-I has integrated LED Indicator, Bluetooth and USB port: (1) The LED is mainly for flight control system status indication during flying (e.g. Control Mode). (2) Bluetooth is used for real-time communication with your mobile device (e.g. iPhone), to realize parameter configuration on a mobile device. For parameter configuration using a mobile device, it is required to

install the DJI Assistant App on the mobile device. When you mount the LED-BT-I, please make sure the

side with ANT LOGO is unsheltered after mounting. (3) In addition, there is a Micro-USB port, make sure it is mounted for convenient connection. Port Description: Micro-USB port: used to

connect to the PC for Assistant software configuration and

upgrade

Bluetooth status indicator

Abnormal

Normal

Communicating

Indicator of autopilot system

Antenna of Bluetooth Mounting Requirements:

Mount in a good place to make sure the LED is visible during flying. Antenna of Bluetooth should be unobstructed.
©2013-2014 DJI. All RightsReserved. 15

1.2 Software Installation and Configuration

Please configure the A2 flight control system in the Assistant Software according to the following instructions. Users are required to configure every item within the “Basic” page when use the A2 flight control system for the

first time. 1.2.1 Installing Driver and Assistant Software

Installing and running on Windows

1. Download driver installer and Assistant Software installer in EXE format from the download page of A2

on the DJI website. 2. Connect the A2 flight control system to a PC via a Micro-USB cable. The Micro-USB port of the A2 flight control system ison the LED-BT-I module. 3. Run the driver installer and follow the prompts to finish installation. 4. Next,run the assistant software installer and follow the prompts to finish installation. 5. Double click the A2 icon on your Windows desktop to launch the software. The installer in EXEformat only supports Windows operating systems (Win XP, Win7, Win8 (32 or 64 bit)).

Installing and running on Mac OSX

1. Download the Assistant Software installer in DMG format from the download page of A2 on the DJI website. 2. Run the installer and follow the prompts to finish installation.

3. When launching for the first time if use Launchpad to run the A2 Assistant software, Launchpad will not allow access because the software hasnot been reviewed by Mac App Store.

4. Locate the A2 icon in the Finder, press the Control key and then click the A2 icon (or right-click the A2

icon using a mouse). Choose Open from the shortcut menu, click Open in the prompt dialog box and

then the software will launch. 5. After the first successful launch, direct launching of the software can be achieved by double-clicking the A2 icon in the Finder or using Launchpad.
©2013-2014 DJI. All RightsReserved. 16

Installer in DMG format supports only Mac OSX 10.9 or above. Usage of A2 Assistant software on Mac OS X and Windows are exactly the same. The Assistant software pages appear in other placesof this manual are on the Windows for example. 1.2.2 Configure using Assistant Software on a PC

A2 flight control system can takes power via the USB port during configuration, no additional battery is required. Note that the USB port can supply power no more than 500mA, an additional battery is necessary if connection

failure or intermittent working. Run the assistant software, and follow the built-in guide to carry out the configuration. Note that you may be asked

to register for first time use. 4 3 2 1

Setting Options

Built-in Guide

M enu

1. View 2. Restore & Upgrade 3.Set 4.Check

Click “Info” to view

user information

and software

version etc.

Enter “Tools” to restore default settings. And check whether the

firmware is the latest.

Enter “Basic” page. Set the Aircraft, Mounting, RC, Gain”

in each tab.

Enter “View” page to check all

basic settings.
©2013-2014 DJI. All RightsReserved. 17

“ RC

STATUS” description

Normal: the transmitter and receiver are linked and communicating well. Disconnect: the A2 Flight Control System ispowered on, but the transmitter is powered off. RC-LOST: RC signal is lost (e.g. the transmitter is turned off after power on) or the receiver

is sending F/Ssignals (e.g. the aircraft flies out of the range which transmitter is

controllable). The firmware version and the Assistant Software version should be matched when using the software

to configure the A2 flight control system, otherwise the software will not work. It’ s recommended to

keep the firmware version and Assistant Software version up to date to avoid this issues.

1.2.3 Configure the control mode switch

Users should configure the control mode switch in the Assistant software in the following page. Only the control mode switch has been set correctly, the control mode displayed in the left bottom corner will be the same to the

control mode pointed by the cursor on the channel U.

Conf iguration steps Exam bles Step 1. Power on your Transmitter, map a 3-position

switch on the transmitter to the U channel of

Controller Unit as the control mode switch, of which two positions are default as Atti. Mode

and GPS Atti. Mode and the third position is optional, users can set as Atti. Mode or Manual Mode.
©2013-2014 DJI. All RightsReserved. 18

Step 2. Toggle the control mode switch to its three

positions, accordingly the cursor will move to

some control mode.

Step 3. Power off the Transmitter, the FailSafe will be

enabled and the cursor will point to any area

out of the control modes.

Step 4.

If all steps above are realized, that indicates the

control mode switch is set successfully.

Important

In step 2, if the cursor doesn’ t point to the correct control mode area (e.g. the following figures), that indicates abnormal control mode switch configuration. Users must re-configure the Endpoint and FailSafe functions in the Transmitter to make the cursor point to the right control mode and the according areas become blue.
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1.2.4 Configuration Checking

*Fig. above for reference only, please adhere to actual GUI. Check List Description 1 Check the IMU orientation direction. 2

Check the Mixer Type of aircraft. Make sure the motors are rotating normally, and propeller installation is in correct direction. 3 The Receiver type is correct. 4、 5 Check the basic and attitude gains. 6

Move the sticks to test whether the cursors moves following the sticks. Toggle the “U” switch to

test the control mode setting. 7~ 11 Advanced configuration, users can configure it according to their requirements after reading the manual.

12 Check the Channel Map between the Transmitter and A2 flight control system.

1 2

3

4

5

6

7

8

9

10

11

12
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1.2.5 Tools

1 Config

Export or import the tuning parameters and restore the default setting and reset the BTU module. 2 Sensors Read gyroscope, acceleration and compass sensor value. 3 IMU Calibration Calibrate IMU based on the gyroscope and acceleration sensor readings from Assistant. Calibrate is needed, when: Gyroscope Mod value exceeds 1.5. Acceleration Mod value below 0.98 or exceeds 1.02. Steps to follow when calibrating IMU: 1. Go to IMU Calibration section after powering on A2, wait until A2 enters “Ready” status. 2. Click “Calibration”, take note of the following warning message:

Place the IMU on a stationary and horizontal surface and ensure A2 logo faces upward. 3. Click “OK” to proceed.

1

2

3

4
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4 Device Information and Connection Status All devices that connected to the A2 flight controller are highlighted, however, disconnected devices appear grey. Single click a highlighted device to upgrade its firmware. You can also upgrade all firmware by clicking the

“Upgrade All” button.
©2013-2014 DJI. All RightsReserved. 22

1.3 Compass Calibration

The Compass can assistant the GPS to position the aircraft, which is very important during flight. As we know,

the compass is very sensitive to electromagnetic interference, which will cause abnormal compass data, and lead

to poor flight performance or even flight failure. Compass Calibration MUST be done for first time use.

It is recommended to calibrate the compass outdoors after the Controller Unit finds 7 or more GPS satellites. Regular calibration enables the compass to keep optimal performance. Calibration Cautions

(1) DO NOT calibrate your compass where there is strong magnetic interference, such as magnetite, car park, and steel reinforcement under the ground. (2) DO NOT carry ferromagnetic materials with you during calibration, such as keys or cell phones. (3) Compass Calibration is very important; otherwise the flight control system cannot work. Calibration Procedures

Choose an open space to carry out the following procedures.

Control

Mode LED

Quickly flip the control mode switch360

o Rotate the aircraft horizontally

360

oRotate the aircraft vertically (Nose downward)

Position1* Position 3

Position1->3->1once

Start horizontal calibration Start vertical calibration Succeed Fail

Position1->3->1

Flip 6~10 times

Start cali

Position1* Re-calibrate Position 3

Situations that require recalibration

Situations Descriptions Compass Data abnormal LED blinks yellow and green alternatively( (∝)). Flying field altered Flying field has changed over a long distance. Mechanical alteration

The mounting position of GPS-COMPASSPRO PLUSmodule changes. Electronic units such as Controller Unit, CAN-HUB, battery etc. have been added, removed, remounted or other alterations. Mechanical structures of the aircraft has changed

Drifting during flying Evident drifts occurred in flight such as the aircraft doesn’ t fly straight

Attitude errors LED often blinks error indicator when the aircraft turns around.
©2013-2014 DJI. All RightsReserved. 23

2 Basic flying

Read this section before basic flight testing. 2.1Control Mode Instruction

The aircraft performs differently when using different control modes. Please read the following table to know

the different control modes, which may help you to achieve a more involved flight experience. Control Mode GPSATTI. Mode ATTI. Mode Manual Mode Command

Linearity

YES

Yaw

Control the aircraft to rotate in clockwise and counter clockwise direction. Maximum rudder angular velocity 150°/ s Roll and Pitch

Aircraft attitude control; Mid point of stick is for 0 ̊ attitude, and its endpoint is 35 ̊ . Max-angular velocity is 150°/ s. No attitude angle limit. Throttle Aircraft height control. Maintain the altitude best above 1 meter from ground when the throttle stick is in mid position. No altitude locking when the

throttle stick is in mid position. All Sticks Released

Lock position if GPSsignal is adequate. Only attitude stabilizing. No position locking. Keep original attitude.

GPSLost

Once GPSsignal lost the flight control system will enter ATTI. Mode automatically. Return to GPSATT1. Mode after GPSsignal

has recovered for 2 seconds.

--- ---

IOC Supported CL/HL/POI/BTM CL None Assign a 3-position switch of the transmitter as the control mode switch. The position-1is defaulted as “GPS

ATTI. Mode” and the position-2 is “ATTI. Mode”. The position-3 can be set as “Manual Mode” or “ATTI. Mode” in A2 assistant software. Control Mode Switch

position-1 position-2 position-3

Configurable Control Mode GPSATTI. Mode ATTI. Mode * ATTI. Mode * Manual Mode

FailSafe Protection

The flight control system will enter FailSafe Mode if the Transmitter signal is lost and no matter if Transmitter signal recoversor not, system will not exit FailSafe mode automatically.The flight control system will enter FailSafe Mode if the Transmitter signal is

lost and the system will exit FailSafe once

the signal recovers.
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GPSInvolved YES NO

Low-voltage ProtectionLED alert with Descending or Go Home &

Landing precautions Only LED alert

Environment recommendedOpen flying field;

Good GPSsignal

Narrow Space;

GPSsignal bad

Regain control in emergency

The difference between ATTI. Mode of position-2 and ATTI. Mode of position-3 is that they are working differently

in protection situations.
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2.2 Flying Environment Requirements

(1) Before use of the product, please accept some flight training (Using a simulator to practice flying, getting instruction from a professional person, etc.). (2) DO NOT fly in bad weather, such as rain or wind (more than moderate breeze) or fog. (3) The flying field should be open without tall buildings or other obstacles; the buildings of steel structure will interfere with the compass. (4) Keep the aircraft away from obstacles, crowds, power lines, trees, lakes and rivers etc. (5) Try to avoid interference between the remote control Transmitter and other wireless equipment. (No base station or cell tower around)

(6) The flight control system can’ t work at the South Pole and the North Pole. (7) All parts must be kept out of the reach of children to avoid CHOKE HAZARD; if a child

accidentally swallows any part you should immediately seek medical assistance. 2.3 Check List before Flying

Double check the following list, otherwise, if any one of the following items iswrong it may lead to flight accident.

(1) All partsare in good condition, no ageing or damaged components

(2) Motor rotating direction

(3) Propeller mounting direction

(4) Mixer Type set in assistant software

(5) IMU and GPS-COMPASSPRO PLUSmounting direction

(6) Transmitter channel mapping and sticks movement direction correct

(7) Compass calibration

(8) ESC connection

(9) IMU and GPS-COMPASSPRO PLUSfirmly mounted

In addition, check the following items to make sure the system can work.

(1) The Transmitter battery is fully charged. (2) The aircraft battery is fully charged. (3) Do not over load the aircraft.
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2.4 Power on and Check

(1) Control mode LED indicator Power on the Transmitter then the flight control system. Toggle the control mode switch to different positions. Control Mode LED indicator Control Mode Switch GPSATTI. Mode ATTI. Mode Manual Mode

LED (Stick not in midpoint (2)) (Stick not in midpoint (2)) No LED indicator

Set

Put the Control Mode switch to GPSposition for basic flying test. Note: when the GPSsignal LED indicator is bad or worst ( (2) or (3)) and lasts for more

than 3secs, the flight control system will enter into ATTI. Mode.

(2) GPSsignal LED indicator GPS signal indication blinks after every Control mode indication. We suggest flying when GPS satellites are more

than 5. GPSsignal LED indicator Worst ( <5): (3) Bad ( =5): (2) Well ( =6): (1) Best ( >6): No indicator 2.5 Start Motors Methods

CSC (Combination sticks commands) is used to start motors instead of just pushing the throttle stick. One of the

following methods can be used to start/ stop motors. CSC 1 CSC 2 CSC 3 CSC 4

Under the conditions stated below, the motors will stop in ATTI. Mode/GPSATTI. Mode: (1) The throttle sticks is under 10%for more than 3secs after motors start. (2) The throttle sticks is under 10%for more than 3secs after landing. (3) The throttle sticks is under 10% for more than 3secs and the inclined angle of aircraft exceeds 70°。

If motors fail to start, please refer to the following list for trouble shooting. (1) The Controller Unit fails to obtain the firmware version of IMU and GPS, please check the

connection or upgrade the IMU and GPS.
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(2) The firmware version of IMU and Controller Unit is mismatched; please upgrade the firmware of

IMU or Controller Unit. (3) The firmware version of GPS and Controller Unit is mismatched; please upgrade the firmware of

GPSor Controller Unit. (4) The transmitter calibration has exited abnormally, please recalibrate. (5) The transmitter calibration results with big bias, please recalibrate. (6) The transmitter calibration results with big mid point bias, please recalibrate. (7) Incorrect channel mappings, please make sure the basic channels A/E/T/ R/U are mapped

correctly. (8) Invalid SN or SN error; please contact your dealer or DJI custom service. (9) The Controller Unit is locked, please unlock the Controller Unit and reconfigure all the parameters

in the Assistant software. (10) IMU disconnected, please check the connection. (11) Compass data abnormal, please eliminate magnetic interference and recalibrate the compass. (12) When Flight limit function is enabled, if the aircraft fly out of the max-radius in ATTI. mode and the motors are stalling, the motors will fail to spool up in GPS ATTI. mode cause the Flight limit

function works. (13) The attitude status is bad and the LED indicator blinks white, the motors will fail to spool up. (14) The Transmitter disconnected, the motors will fail to spool up. (15) The A2 flight control system is connecting and communicating with the Assistant software, the motors will fail to spool up.
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2.6 Basic Flying Test

Carry out the following procedures to complete the basic flight test. 1. Wait the GPSsignal to be well LED

Place the aircraft away from you and others at least 3 meters and wait the 6

(about 30 seconds). or no Red LED

2. Start motors and takeoff aircraft. LED

Execute CSC to start motors; all sticks back to midpoint as soon as motors start, then push

the throttle stick to take off the aircraft, meanwhile the home point is recorded. NOTE: 36secs after power on; 10secs after 6; Motors have been started, auto-record the

position as home point at the first time the throttle stick is raised

(∝)

After the home point is recorded successfully and the distance from aircraft is less than 8m, LED indicator will blink 6 violet continually. Note: only when GPS signal is good (no Red

LED) LED indicator will blink 6 violet continually.

(6)

3.Operate sticks to control the flying attitude of the aircraft during flight

Transmitter (Mode2) Aircraft Operations

Throttle Stick

Push Throttle sticks to control the aircraft

to elevate and descend. The aircraft can

lock to an altitude when the throttle stick

is at midpoint.

Yaw Stick Push the yaw stick to rotate the aircraft in

clockwise or counter clockwise direction.

Roll Stick

Push roll stick to control the aircraft left or right, pitch stick to control forward or backward. When both roll and pitch sticks are at midpoint:

(1) GPSATTI. Mode: the aircraft will

be stabilized and locked in

horizontal position. (2) ATTI. Mode: the aircraft will be

stabilized but unlocked in

horizontal position.

Pitch

Stick
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4.Hover

In GPSATTI. Mode, the aircraft will hover when the throttle/ yaw/roll/ pitch sticks are all released at mid-point.

5.Landing

Use the throttle stick to control the landing speed, try to land your aircraft gently to avoid shock or crash. Please refer to the next section “Protection Functions Setting” to take precautions. (1) Low voltage alert: yellow quick flashesor red quick flashes. (2) FailSafe: LED indicator blinks blue. Moreover, you may come across the following abnormal situation, please carry out the operation below. (3) Compass data is abnormal; the LED blinks yellow and green alternatively. Please re-calibrate the Compass. (4) IMU data is abnormal, the LED blinks four green. Please contact your dealer.
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3 Protection FunctionsSetting

Set protection in the Assistant software ->Advanced page. FailSafe and Low voltage protections are required. 3.1FailSafe

FailSafe works when the Transmitter (TX) signal is lost, the flight control system will automatically control the

aircraft to reduce injuries or damage. TX

signal

Descriptions Home Point

(HP)

6

Home point will be recorded: - After 30 seconds of strong GPSsignal - 10 seconds later after green LEDs have stopped blinking, when throttle sticks are moved away from mid point. FailSafe Customize the failsafe to define what happens if remote control signal is lost. Choose

from either auto hovering, RTH or "RTH at a preset altitude in the A2 Assistant"

One-Key

Go Home

A switch can be set to trigger RTH without signal loss. If One-Key RTH is enabled

during flight, aircraft control will cease and LED lights will indicate Control Mode. Release the RTH switch to regain control. If the Failsafe has been triggered the

switch will not work. With One-Key RTH in progress, aircraft orientation can be controlled while the

aircraft returns. FailSafe and Go Home procedures

1Record Home Point (HP) 2 Confirm Home Point 3 Transmitter Signal Lost

4 Signal Lost Lasts 3secs. 5Go Home(20m can be customized)

Height over HP<=20m

Height over HP>20m 6 Landing after Hovering 15secs

20m

Elevate to 20m

LED LED LED

LED LED LED

<8m

7

(∝) (6) (∝)

(∝) (∝) (∝)

(1) The aircraft will not go home (only attitude stabilizing) in the condition that <6 or GPSis not working, even if Transmitter signal is lost or Go Home switch is triggered. (2) It is recommended to set the Go Home switch in the Assistant software. Users are suggested to
©2013-2014 DJI. All RightsReserved. 31

enter FailSafe and go home by using the Go Home switch rather than turning off the Transmitter

in emergency situations. (3) Make sure there are no obstacles during aircraft go home and users are familiar with the methods

to regain control. How to regain control in FailSafe

3-position Switch Position-1 Position-2 Position-3

GPSATTI. Mode ATTI. Mode ATTI. Mode Manual Mode Regain control

You have to toggle the control mode switch

once to regain control if the signal recovers. Regain control as soon as signal recovers.

3.2 Low Voltage Protection

Low voltage protection is used to alert low battery voltage during flight; in this case, users should promptly fly

back the aircraft and land to avoid unexpected damages. To use this function please set in Assistant software->Advanced->Voltage page to configure two voltage levels. Protections Option Selected Conditions LED Aircraft

First level

LED ---- (∝) None GH & Landing

Make sure the home point is recorded and

no obstacles in going home and landing path. (∝) Go-Home & Landing

Second

level

LED ---- (∝) None Descending ---- (∝) Descending directly

Go-Home & Landing Usage Tips

(1) The home point recorded is the same in both FailSafe and Low voltage protection. The aircraft will not go

home in the following cases : a) Control mode switch isat the position-3 (Manual Mode or ATTI. Mode)

b) GPSsignal is bad ( <6) c) The distance between aircraft and the home point is less than 25m, and the height over the Home

point less than 20m. Descending Usage Tips The aircraft will not hover when the throttle stick is at the mid point. Push the throttle stick to 90% of its endpoint, the aircraft will still ascend slowly if you continue to pull the throttle stick, and the control of Pitch, Roll and Yaw are the same as before.
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(1) Please pay attention to the LED alert of low voltage and make sure the power is enough for go

home and landing. Insufficient power reserve will cause the aircraft to crash as well as other consequences. (2) If the second level low voltage alert occurs in below procedures, the aircraft will descend

automatically. a) When the aircraft is in FailSafe and Go Home process。

b) When the aircraft is controlled by the Ground Station.
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4 Advanced Features

The advanced features of A2 include IOC (intelligent orientation control), gimbal control, parachute activation

and so on. It also enable users to tweak the A2 configuration via the A2 Assistant wirelessly through the Bluetooth connection. 4.1IOC (Intelligent Orientation Control) function

4.1.1IOC

IOC Help users to set the Flying direction; Should be enabled in Assistant software. Flying direction The flying direction of aircraft when pushing the Roll and Pitch sticks. Forward direction The flying direction of aircraft when the pitch stick is pushed forward. Normal flying

IOC is disabled. Forward direction is pointing to the nose direction and changes along with the nose. CL(course lock) mode

Its forward direction is pointing to the nose direction when recording, which is

fixed until you re-record it or exit from CL. HL (home lock) mode Record a Home Point (HP), push Pitch stick to control the aircraft far from or near to the HP. POI mode Point of Interest. Record a point of interest (POI), the aircraft can circle around

the POI, and the nose always points to the POI. BTM (Banked Turn) mode

In this mode, the roll and yaw sticks are combined to help you perform banked

turns with only one hand. Conditions of IOC function

Flying

IOC

Setting

Control Mode GPS-COMPASSPRO PLUS

Required

GPSSatellites Distance Limits Normal ---- ---- ---- Basic to control mode None CL Enabled Not Manual Mode Compass None None HL Enabled GPSATTI. Mode GPS 6

10m Aircraft HP

POI Enabled GPSATTI. Mode GPS 6

5m~500m

Aircraft POI BTM Enabled GPSATTI. Mode GPS 6 None Step 1IOC switch setting

Please enable the IOC function in Advanced->IOC page of Assistant software. Then choose a 3-positon switch on

the Transmitter to set as IOC switch, which is used to select the different IOC modes and manually record the
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Forward direction, HPand POI recording. There are six types of IOC switch setting. Below are the three recommended options of IOC switch setting which may be configured in the Assistant software. Switch positions A B C

1 OFF OFF OFF

2 CL CL CL

3 HL POI BTM

Step 2 Forward Direction, HPand POI Recording

After you enable the IOC in assistant software, the flight control system will record the forward direction and home

point automatically after power on, if the recording conditions are met. You can manually re-record the forward

direction, home point and POI during flying. Note that no BTM recording is required. Read the following table for

the recording method details. CL HL POI

Recorded

Orientation Aircraft’ s nose as forwarddirection Home point

The position that the user wish to fly around. Conditions 36 secs after power on

10secs later after 6;

Motors have been started. 10secs later after 6. Automatically

Automatically record at 36

secs after power on Automatically record at the firsttime you push the throttle stick

No Automatic record method

Manual

According to any option of IOC switch setting, quickly toggle the switch between adjacent

positions 3-5 times to record manually. 1

2

A

Forward

direction C 2

3

A

HP

B

POI

C

None B

Forward

direction Forward

direction Successful (20) (20) (20)

(1) DO NOT toggle the switch between the position 1and 3 frequently, which may re-record the

position 2. (2) The new Home Point and Forward Direction can be set only after one has already been recorded

automatically. (3) HP is not only used in IOC, but also in FailSafe and Low voltage as go home and landing

destination. The flight control system will automatically record the HP even if IOC function is disabled in Assistant software but Forward direction and POI can be recorded only after IOC is enabled.
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(4) Once the Home Point is recorded successfully, LED will blink (6) continually under the

following conditions. All conditions must be true. 1. 6. 2. Distance between aircraft and the recorded home point is less than 8m. 3. Current control mode is in GPSATTI. Mode or ATTI. Mode of switch position-2. Step 3 CL, HL and POI flying test

Please study the following diagram then make an IOC flying test. IOC LED indicator blinks ( (2) means not all stick(s) at the midpoint)

HP POI Flying direction Forward direction Route Auxiliary line

Flying

IOC

switch

Record

Pitch stick control of aircraft Roll stick control of aircraft

Normal OFF None

CL CL

HL HL

> 10

POI POI 5~500m

5~ 500m

5~ 500m

5~ 500m

DO NOT toggle the IOC switch frequently in HL flying to avoid re-recording the HPunwittingly.

IOC function is available only when all the required conditions are satisfied. If any condition is omitted

the flight control system will exit IOC. Please keep an eye on the LED to know the current control mode.

(1) It is recommended to start the HL flight when the aircraft is >10m away from the HP. If starting

the HL when the distance between aircraft and HP is less than 10m and it’ s the first time you

start HL after power on, then the flight control system will only enter HL after flying out of the
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10m range. When in Home Lock mode, the aircraft cannot enter any area within a 10 meter radius of the Home Point. (2) During HL flying if one of the following conditions occur, the flight control system will exit HL and

enter into CL: the control mode is changed to ATTI. Mode; <6(LED (2) or (3)). Step 4 Banked Turn mode flying test

Banked Turn Mode is useful when you want to perform banked turns one handed. It allows you to pitch and roll to

turn without using the yaw stick. Application examples: 1. Normal and FPV aerial photography in this mode is smooth and simple, giving a different visual feel to your work. 2. In this mode, the roll and yaw sticksare combined to help you perform banked turns with only one hand. Setting steps (Mode 2): 1. To enable Banked Turn Mode, replace the POI gear of the IOC switch with Banked Turn gear. 2. With Banked Turn Mode activated, you can circle the aircraft with just one stick. To do this, Mode 2 (throttle

on the left stick) users should select the “Use Roll” option while Mode 1 (throttle on the right stick) users

should select the “Use Yaw” option.
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Using Banked Turn Mode (Mode 2): 1. Select “Use Roll” to disable the yaw stick or select “Use Yaw” to disable the roll stick. 2. Push pitch stick to move the aircraft forward or backward. 3. After that, Push roll stick left or right to perform banked turn as the following diagram shown. No yaw stick

required. 4. When the aircraft is hovering, yaw is controlled by the roll stick instead. 5. Rapidly pull the pitch stick to the mid-point to stop the aircraft.

Flying

IOC

switch

Record

Pitch stick Roll stick Pitch stick Roll stick Pitch stick Roll stick Pitch stick Roll stick

BTM BTM None

(1) Banked Turn Mode works only with GPS-ATTI mode (GPS 6). The aircraft will stop and hover when

less than 6 satellites are found. (2) Once the aircraft performs side slip, adjust the drift damping value. Note that too big value may lead

to aircraft vibration.

4.1.2 Cruise Control

Cruise Control allows you to lock the speed of the aircraft, freeing you to control the gimbal while maintaining

flight. Application examples: 1. By maintaining steady flight, you can focus more on your shots and gimbal control, and your total flight time is

increased by eliminating unnecessary speed changes. 2. Activate Cruise Control to lock your aircraft into its current horizontal speed when you release the control sticks. Cruise Control only works when IOC has been enabled. Tick the Cruise Control box in the A2 Assistant to enable it.
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Assign a 3-gear switch on the remote control for Cruise Control. Follow the steps below to use Cruise Control. Use the control sticks to accelerate the aircraft to your target speed then toggle the assigned Cruise Control switch

to “Set” or “Continues”. The action of three different gears of the cruise speed is defined as follow: Close

Deactivate Cruise Control. Set

Move the switch to this position in flight to “Set” the cruising speed. The speed at the point that the switch is

toggled will be maintained. If you use the control sticks to adjust aircraft speed, the aircraft will return to its original speed once the control sticks return to center. Continues

In this position the aircraft will maintain its speed of flight however if you accelerate or slow down, it will continue flying at the new speed once the control sticks return to center.

(1) Cruise Control only works in GPS-ATTI mode (GPS>6). (2) The aircraft will exit Cruise Control mode and hover at its current altitude when less than 6 GPS

satellites are detected, switches to ATTI. mode or enters auto go home mode. To enter“Set” and

“Continue” modes, you must first go into “OFF” mode. (3) Cruise Control is disabled during Banked Turn mode flying. (4) Maximum speed is 15m/ s under Cruise Control mode.
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4.2 Servo Gimbal function

Connect the servos of your gimbal to the Controller Unit as the fig. below, roll servo connects to F3 port and

pitch servo connects to F2, and configure in Advanced->Gimbal page in the Assistant software. No Receiver channel is asked to be mapped for the F2 or F3 port if gimbal function is enabled in the Assistant Software. Note: Even you map Receiver channels to F3 and F2 (Which are shown as D3 and D2 in the Assistant Software

->Channel Mapping), the F3 and F2 will not give output signals from the mapped Receiver channels.

F3

F2 Pit ch Roll

4.3 Flight Limits

All unmanned aerial vehicle (UAV) operators should abide by all regulations from such organizations as the ICAO

(International Civil Aviation Organization) and their own national airspace regulations. For safety reasons, the flight

limits function is enabled by default to help users use this product safely and legally. The flight limits function

includes height, distance limits and safety zone.

In Ready to Fly mode, height, distance limits and No Fly Zones work together to manage flight. In Ready to Fly

(non-GPS) status, only height limits applies and flights cannot go higher than 120m. Default parameters in Assistant Software are compliant within the definitions of class G ruled by ICAO. (Refer to Airspace Classification to get more details). As each country has its own rules, make sure to

configure these parameters to comply with these rules before flying.

4.3.1 Max Height, Radius Limits & Home Fence

The Max Height & Radius restricts the flying height and distance. Configuration can be done in the A2 Assistant. Once complete, your aircraft will fly in a restricted cylinder.
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Max Height Max Radius Home Point Height of aircraft when

powered on

GPSATTI mode

Limits Ground Station Tips Max Height Flight height must be under the set height. Warning: Height limit reached. Max Radius Flight distance must be within the max radius. Warning: Distance limit reached.

ATTI mode Flight Limits Ground Station Tips Max Height Flight height restricted to 120m and under. Warning: Height limit reached. Max Radius No limits

(1) If you fly out of the limit, you can still control the aircraft, but cannot fly it further. (2) If the aircraft flies out of the max radius in ATTI mode, it will fly back within range automatically. Home fence is a safety feature that prevents the aircraft from coming in too close to an operator. When enabled,

the aircraft will not be able to enter a safe area defined by the user. Application examples: 1. Supply safe guard for new users in case of damage from wrong operation. 2. Keep users safe when aircraft flies close in a high speed. The safety radius can be set in the A2 Assistant as shown below:
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Assign a switch on the remote control to turn the home fence feature on and off. The safety radius range can

be set between 12m and 100m.

(1) Home fence feature works only with GPS-ATTI mode. NO home fence limit for ATTI mode and

navigation mode. (2) Failsafe procedure overrides the home fencing feature.

4.3.2 Flight Limits of Special Areas

Restricted areas include airports worldwide. All restricted areas are listed on the DJI official website at

http:/ / www.dji.com/ fly-safe/ category-mc. Restricted areas are divided into category A and category B. Category A

areas cover major international airport such as LAX and Heathrow, while category B areas includes smaller airports. Category A Safety Zone The category A “safety zone” is comprised of a small “no-fly zone” and a range of “restricted-altitude zones”. Flight is prevented in the “no-fly zone” but can continue with height restrictions in the restricted-altitude zone. 1.5 miles (2.4 km) around a designated safety zone is a no-fly zone, inside which takeoff is prevented. 1.5 miles (2.4 km) to 5 miles (8 km) around restricted areas are altitude restricted, with maximum altitude going

from 35 feet (10.5 m) at 1.5 miles (2.4 km) to 400 feet (120 m) at 5 miles (8 km). A “warning zone” has been set around the safety zone. When you fly within 320 feet (100m) of the safety zone, a warning message will appear on the DJI Ground Station.
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Category A

Category B Safety Zone Category B “safety zone” is comprised of a “no-fly zone” and a “warning zone”. 0.6 miles (1km) around the safety zone is a designated “no-fly zone”. A “warning zone” has been set around the safety zone. When you fly within 0.6 miles (1Km) of this zone, a warning will appear on the DJI Ground Station.

Category B

GPSATTI mode Zone Restriction Rear LED Flight Indicator No-fly Zone Motors will not start.

If the aircraft enters the restricted area in ATTI mode but

GPSATTI mode activates, the aircraft will automatically

descend to land then stop its motors after landing.

Blink red quickly and continue

for 3 seconds before normal

blinks.
©2013-2014 DJI. All RightsReserved. 43

Restricted-altitude

flight zone

If the aircraft enters a restricted area in ATTI mode and

GPSATTI mode activates, it will descend to a safe altitude

and hover 15 feet below the safe altitude. Blink yellow quickly and

continue for 3 seconds before Warning zone normal blinks. No flight restriction applies, but there will be warning message. Free zone No restrictions. None.

Semi-automatic descent: All stick commands are available except the throttle stick command during

the descent and landing process. Motors will stop automatically after landing. Users must toggle the S1

switch to regain control. This is the same as regaining control during Failsafe. Please refer to regain

control during failsafe procedure.

(1) When flying in the No-fly Zone, LED flight indicators will blink red quickly and continue for 3

seconds, then switch to indicate current flying status and continue for 5 seconds at which point

it will switch back to red blinking. (2) When flying in the Restricted-altitude flight zone and Warning zone, LED flight indicators will

blink yellow quickly and continue for 3 seconds, then switch to indicate current flying status and

continue for 5 seconds at which point it will switch back to red blinking. (3) For safety reasons, please do not fly close to airports, highways, railway stations, railway lines, city centers and other special areas. Try to ensure the aircraft is visible.

4.3.3 Conditions of Flight Limits

In different working modes and flight modes, flight limits will differ according to number of GPS satellites found. The following table demonstrates all the cases( : available; × :unavailable). All flights are restricted by height, distance and special areas simultaneously. The Failsafe and Ground Station

operations are not restricted to flight limits, but if Ground Station function is used, the flight will be restricted the

special area limits built in to Ground Station. Refer to the Ground Station manual for details. Control Mode number of GPSfound Limits of Special Area Max Height Max Radius GPS

6

<6 × × ATTI. 6 ×
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<6 × × Manual 6 × × ×

Flight Limits can be disabled in the Assistant asbelow.

Users cannot take off the aircraft in some Special Areas even the Flight Limits is disabled in the Assistant. 4.4 Parachute Function

The A2 now supports the DJI Dropsafe parachute system which can be enabled in the A2 Assistant. The X3 and F4

ports should be connected. There are two methods to deploy the parachute. 1. Motors will automatically stop and the parachute will deploy by using switch on the remote control. 2. In the event of an emergency (aircraft descends faster than 10 m/ s), motors will automatically stop and the

parachute will deploy.

(1) Parachute will deploy once the aircraft descends faster than 10 m/ s in manual mode. (2) Once parachute function enabled, motors will automatically stop and the parachute will deploy. (3) Refer to DJI Dropsafe user manual for more details.

4.5 Gear function

Once enable the Intelligent Gear function, the gear is default down on the ground or in case of emergency (e.g. motor failure tolerance, auto landing); you can control it to be up or down by a switch when the aircraft altitude
©2013-2014 DJI. All RightsReserved. 45

is above 5m during flight. Please configure in the Advanced->Gear page in the Assistant software. Connect the landing gear of S800 EVO

to the Controller Unit as fig. below.

(1) Make sure to enable and configure the Intelligent Gear function in the Assistant software first, and then connect the gear to the F1port. (2) The Gear channel is required to be mapped with a channel on Receiver if the Intelligent Gear

function isenabled in Assistant Software, and the F1port will give outputs for retracting control. (3) Once you map the Gear channel, F1port will give output signals from the controller for retract control. Otherwise, even the Intelligent Gear function is enabled; F1will give output from D1(it’ s necessary to map the D1channel with a channel on Receiver as your demands).

4.6 Attitude Control When One Motor Output Fails

For Hexa-rotor, including Hexa-rotor I, Hexa-rotor V, Hexa-rotor IY and Hexa-rotor Y, the aircraft with A2 flight control system is attitude controllable when one motor output fails. Select Course lock or home lock mode for flying the aircraft into a safe area to land when the aircraft is

far away or the attitude can’ t be recognized.

4.7 DJI Assistant App Usage

There is a built-in Bluetooth in the A2 LED-BT-I module. With a DJI Assistant App installed on your mobile

device, remote parameter configuration can be obtained via Bluetooth communication between the A2 Flight

Control System and the mobile device.

Antenna of Bluetooth

Bluetooth status indicator

Abnormal

Normal

Communicating
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Supported iOSdevices

iPhone 4s, iPhone 5, iPhone 5s, iPod Touch 5, iPad 3, iPad 4, iPad air, iPad mini,

iOS6.1or above is required. Bluetooth version is required to be 4.0 or above. Required versions of DJI Assistant App & Firmware

Require DJI Assistant App version 1.1.14 or above and the firmware of A2 Controller Unit version 2.1or above, as well as the firmware of LED-BT-I module version 2.0 or above. Specifications

Bluetooth version 4.0 Environment temperature -10°C~+50°C

Communication distance 50m Consumption 240mw(0.04A@6V)

DJI Assistant App Usage

Step 1Download and installation

1. Search the DJI Assistant in App store on mobile device and install it. Step 2 Connect the A2 Controller Unit and the DJI Assistant App

1. Prepare an iOS device supported 4.0 Bluetooth, and then enable the Bluetooth function on the mobile

device. 2. Power on the transmitter and the A2 Flight Control System, make sure the Bluetooth Status Indicator is

solid Red . 3. Run the DJI Assistant App. You may be asked to register through internet when first login (the account of

PC Assistant software isOK for login); follow the tips to set Main Controller name and password. 4. Observe the indicators on the left bottom of the software. ( connection indicator and

communication indicator) On the DJI Assistant App, if the communication indicator is , please double

check the connections and driver installation; otherwise if the indicator is blinking , go to next step. 5. Select the “Basic” option. Please follow step-by-step for your first-time-configuration. Basic configuration

is necessary. Click the icon to get the configuration details. 6. You can click the “Advanced” option for more parameter settings. Advanced setting is optional. There are Motor, F/S, IOC,Gimbal, Voltage, Limits, Gear, etc. 7. Check all parameters in the View page. 8. Select “More” to obtain more details. Including: Restore MC default settings, Accounts, Main Controller List, Information, wiki, Rate DJI Assistant, FAQ, Feedback,About. 1. Make sure to upgrade the LED-BT-I module to the latest firmware via the PC Assistant software

on aPC before you use the DJI Assistant App with the A2 Flight Control System.
©2013-2014 DJI. All RightsReserved. 47

2. Every time you run the DJI Assistant App, the App will search the Controller Unit automatically. 3. The gain value displayed on Mobile Device and PC may be a little different, that isOK for use. Step 3 Flying Test Procedures 1. Get the aircraft ready, run the DJI Assistant and make sure it is connected with the main controller. (The

indicators on the DJI Assistant are )

2. Start the motors. 3. The “View” page shows the relative parameters real-time when flying. 4. Go to the “Basic” and click into the “Gain” page to set the values of all gains real-time during flying. 5. Go to the “Basic” and click into the “Tool” page to view the values of IMU & Compass real-time during

flying. 6. Finish the flying and land your aircraft. Only the parameter referred above can be changed during flying. Others can be configured after

landing.
©2013-2014 DJI. All RightsReserved. 48

Appendix

LED indicator descriptions

Control mode GPSsignal

Manual Mode: No indicator Best ( >6): No indicator ATTI. Mode: (1) (sticks not in mid-point (2)) Good ( =6): (1)

GPSATTI. Mode: (1) (sticks not in mid-point (2)) Bad ( =5) : (2)

Ground Station: (1) Worst ( <5): (3)

Flight Attitude

Attitude good: No indicator Attitude status bad: (3)

IMU data lost, calibrate IMU needed: (4)

Compass calibration

Horizontal calibration (∝ ) Calibration Failed (∝ )

Vertical calibration (∝ ) Abnormal Compass Data (∝ )

Low voltage alert

First level alert (∝ ) Second level alert (∝ )

FailSafe mode

During the FailSafe (∝ ) Compass Abnormal after power on (∝ )

Errors

System Error (4) Compass Abnormal after power on (∝ )

IOC Recording

Record home-point successfully (20)

Aircraft is in the 8m range of HP (6)

Record forward direction successfully (20)

Record aPoint Of Interest successfully (20)

Bluetooth

A2 Assistant is connected / disconnected to the flight control system (∝ )

When the LED blinks (3), please hover or land the aircraft and wait for the white LED to go off. When the LED blinks (3), it is not recommended to fly. When the LED blinks (4), please contact your dealer.
©2013-2014 DJI. All RightsReserved. 49

Specifications

General

Built-In Functions Built-in Receiver Multiple Control Modes 2-axle Gimbal Supported

Enhanced FailSafe

Intelligent Orientation Control

Dynamical SystemsProtection PC & Bluetooth Ground Station

External Receiver Supported

9 Types of Supported Multi-rotor Other DJI ProductsSupported

Low Voltage Protection

4 Configurable Outputs Sound Alarm

Configure Parameters ViaBluetooth

Peripheral

Supported Multi-rotor Quad-rotor: I4, X4

Hexa-rotor: I6, V6, Y6, IY6

Octo-rotor: X8, I8, V8

Supported ESC output 400Hz refresh frequency. Supported Transmitter for Built-in Receiver Futaba FASST (MULT, MLT2, 7CH) Series and DJI DESST Series External Receiver Supported Futaba S-Bus, DSM2, PPM

Recommended Battery 2S~6SLiPo Other DJI Products Supported Z15, iOSD Mark II, D-BUS Adapter, S1000,S900 EVO, 2.4G

Data Link, H3-2D, H3-3D, DJI Dropsafe Parachute Electrical & Mechanical

Power Consumption MAX 5W (Typical Value: 0.3A@12.5V)

Operating Temperature -5°C to +60°C

Total Weight <=224g (overall)

Dimensions MC: 54mm x 39mm x 14.9mm

IMU: 41.3mm x 30.5mm x 26.3mm

GPS-COMPASSPRO PLUS: 62 mm (diameter) x 14.3 mm

PMU: 39.5mm× 27.6mm× 9.8mm

LED-BTU-I: 30mm x 30mm x 7.9mm Flight Performance (can be effected by mechanical performance and payloads)

Hovering Accuracy (In GPSATTI. Mode) Vertical: ± 0.5m

Horizontal: ± 1.5m

Maximum Wind Resistance <8m/ s (17.9mph / 28.8km/ h)

Max Yaw Angular Velocity 150deg/ s Max Tilt Angle 35° Ascent / Descent 6m/ s
©2013-2014 DJI. All RightsReserved. 50

FAQ

Use with other DJI products

The A2 flight controller is compatible with DJI accessories such as the iOSD Mark II, Z15 gimbals, the 2.4G

Datalink with iPad Ground Station, and so on. Connect the these devices to the proper CAN ports as listed

below: CAN1: iOSD Mark II, Z15 series gimbals. CAN2: 2.4G Datalink (with iPad Ground Station), H3-2D, H3-3D gimbals. Connect Z15 gimbals to CAN1port if your A2 firmware version is 2.4 or below. Connect Z15 gimbals to CAN1or CAN2 port if your A2 firmware version is 2.5. Use a CAN-Hub to acquire an extra CAN port when connecting multiple CAN devices. 2.4G Data Link and Z15 GCU connections diagram (CAN1port)

90

o

ESC 1# ESC 2# ESC 3# ESC 4# ESC 5# ESC 6# ESC 7# ESC 8#

2S~ 6S

Battery
©2013-2014 DJI. All RightsReserved. 51

2.4G Data Link and Z15 GCU connections diagram (CAN2 port)

90

o

ESC 1# ESC 2# ESC 3# ESC 4# ESC 5# ESC 6# ESC 7# ESC 8#

2S~ 6S

Bat t ery

Alwaysupdate the A2 and Z15 gimbal firmware to the latest version.
©2013-2014 DJI. All RightsReserved. 52

Where the Z15 gimbal is connected determines how it must be controlled. If connected to CAN1, two controllers and two receivers are required to control the aircraft and the gimbal separately. If connected to CAN2, a single

remote controller with 14 channels can control both the aircraft and the gimbal, requiring only one receiver.

(1) When using a remote controller alone, a Futaba T14SG remote controller is compatible. Note that 12

channels can be configured for versions below 5.0, while 14 channels can be configured for version 5.0. With

a training cable, users can use two remote controllers for aircraft and gimbal control. Refer to the Futaba

user manual for details. (2) When using two DJI remote controllers and a single receiver, the remote controllers work as Master and

Slave for aircraft and gimbal control. Only the DJI NDJ6 version 1.0.2.26 or above is compatible. Follow the

steps below to set the two remote controllers as Master/Slave: a) Link one remote controller to the flight control system, which will be the Master. b) Plug one head of the trainer port cable into the other remote controller, which will be the Slave. c) Turn the gimbal control dial on the Master controller to the left and hold, then plug the other head of

the trainer port cable into the Master controller.

d) The Master remote controller will emit a beeping sound if the connection is successful. Now you can

release the dial.

(1) The gimbal’ s firmware should be updated as below: a) H3-3D GCU V1.12 or above

b) Z15-5D GCU V2.4 or above, IMU V1.8 or above

c) Z15-5D II GCU V2.4 or above, IMU V1.8 or above

d) Z15-GH3 GCU V2.4 or above, IMU V1.8 or above

e) Z15-GH4 GCU V2.4 or above, IMU V1.8 or above
©2013-2014 DJI. All RightsReserved. 53

f) Z15-BMPCC GCU V2.4 or above, IMU V1.12 or above

(2) Z15-5N, Z15-GH2, Z15-7N and Z15-5Rdo not support connection with CAN2 port. The following H3-2D connection diagram is the connection for your reference.

90

o

ESC 1# ESC 2# ESC 3# ESC 4# ESC 5# ESC 6# ESC 7# ESC 8#

2S~ 6S

Batt ery

(1) H3-2D users should upgrade the firmware to the latest version (GCU V1.6& IMU V1.6 or above). (2) If the 2.4G Data Link and H3-2D are used at the same time, a CAN-HUB module is required.
©2013-2014 DJI. All RightsReserved. 54

Channel Mapping Instructions for PC Assistant Software

Basic Channels Default Settings Usage Descriptions A Roll Control of the Controller Unit, mapped to the Channel 1of Receiver During Assistant Software usage, please click

the “Calibration” button, to calibrate the Transmitter sticks travel. During calibrating, make sure to operate strictly following the

prompts; otherwise may lead to calibration

failure. Click the “Map” button, then you can re-do mapping for A/E/T/ R/ U.

E Pitch Control of the Controller Unit, mapped to the Channel2 of Receiver T Throttle Control of the Controller Unit, mapped to the Channel3 of Receiver R Yaw Control of the Controller Unit, mapped to the Channel4 of Receiver U Control Mode Switch of the Controller Unit, mapped to the Channel7 of Receiver Knob Channels Default Settings Usage Descriptions K1~K6 Remote Gains Adjustment of the Controller Unit, unmapped. Click “Unmapped” button to map K1~K6 to the

channels of Receiver. Direct Channels Default Settings Usage Descriptions D1~D4 Direct Channels (The corresponding ports are F1~F4 on the Controller Unit) of

Controller Unit, unmapped.

Click “Unmapped” button to map D1~D4 to

the Receiver channels. If you enable the Gimbal functions in Assistant Software, then

the F3/F2 are used for gimbal control; even D3/D2 are mapped to channels of Receiver, and the signals from the mapped Receiver
©2013-2014 DJI. All RightsReserved. 55

channels will be ignored. You can use F4 for switching the video

channel of iOSD Mark II, then map D4 to a Receiver channel. Advanced

Channels Default Settings Usage Descriptions

IOC IOC function of the Controller Unit, unmapped. Click “Unmapped” button to map IOC to a Receiver channel. It is recommended to use a

3-position switch channel. Go Home One-Key Go Home function of the Controller Unit, unmapped. Click “Unmapped” button to map Go Home to

the Receiver channel. It is recommended to

use a 2-position switch channel. Gear Intelligent Gear function of the Controller Unit, unmapped.

If you enable the Gear function in Assistant

Software, then the F1 is used for the gear control of S800 EVO landing. H-Fence(Home Fence)

Home Fence function unmapped Click “Unmapped” button to map Home Fence onto the Receiver channel. It is

recommended to use a 2-position switch

channel. CC (Cruise Control)

Cruise Control function unmapped Click “Unmapped” button to map Cruise Control to the Receiver channel. It is

recommended to use a 3-position switch

channel. S-Gimbal Ground station servo gimbal function

unmapped

Click “Unmapped” button to map Ground

station servo gimbal to the Receiver channel.

It is recommended to use a 3-position switch

channel. Zenmuse Channels Default Settings Usage Descriptions ROLL ROLL channel unmapped Click “Unmapped” button to map ROLL to the Receiver channel. It is recommended to use a

level switch channel. TILT TILT channel unmapped Click “Unmapped” button to map TILT to the Receiver channel. It is recommended to use a

level switch channel.
©2013-2014 DJI. All RightsReserved. 56

PAN PAN channel unmapped Click “Unmapped” button to map PAN to the Receiver channel. It is recommended to use a

level switch channel. MODE MODE channel unmapped Click “Unmapped” button to map MODE to

the Receiver channel. It is recommended to

use a 3-position switch channel. SHUT SHUT channel unmapped Click “Unmapped” button to map SHUT to the Receiver channel. It is recommended to use a

2-Position switch with spring back function. AUX1 AUX1channel unmapped Click “Unmapped” button to map AUX1to the Receiver channel. It is recommended to use a

3-position switch channel. AUX2 AUX2 channel unmapped Click “Unmapped” button to map AUX2 to the Receiver channel. It is recommended to use a

2-position switch channel. AUX3 AUX3channel unmapped Click “Unmapped” button to map AUX3 to the Receiver channel. It is recommended to use a

2-position switch channel. Recommended Mapping for Futaba RC (Mode 2,A2 V2.4 or below)

Controller Unit Channel Receiver Channel Recommended Transmitter Switch

A Channe 1(AIL) Joystick J1

E Channe 2 (ELE) Joystick J2

T Channe 3 (THR) Joystick J3

R Channe 4 (RUD) Joystick J4

U Channe 7 (AUX5) 3-Position switch, e.g. SG

K1~K6 Channe 5 (GEAR) Knob switch, e.g. LD, RD

Pitch Channe 6 (Vpp)* Knob switch, e.g. LD, RD

D1/ D3/D2 ---- ---- D4 Channe 9 (AUX1) 2-Position switch, e.g.SF

IOC Channe 10 (AUX2) 3-Position switch, e.g. SG

Go Home Channe 11(AUX3) 2-Position switch with spring back function, e.g. SH

Gear Channe 8 (AUX4) 2-Position switch, e.g.SF
©2013-2014 DJI. All RightsReserved. 57

H3-2D Channe 12( AUX5) * Knob switch, e.g. LD、 RD

H-Fence Channe 6 (Vpp)* 2-Position switch, e.g.SF

CC Channe 12( AUX5) * 3-Position switch, e.g.SB

*Note that these settings should be configured according to your requirements. Recommended Mapping for Futaba RC (Mode 2,A2 V2.5 and Futaba below V5.0)

Controller Unit Channel Receiver Channel Recommended Transmitter Switch

A Channe 1(AIL) Joystick J1

E Channe 2 (ELE) Joystick J2

T Channe 3 (THR) Joystick J3

R Channe 4 (RUD) Joystick J4

U Channe 7 (AUX5) 3-Position switch, e.g.SG

IOC/CC Channe 8 (AUX4) 3-Position switch, e.g. SA

Gear Channe 9 (AUX6) 2-Position switch, e.g. SF

PAN Channe 5 (GEAR) Level switch, e.g. LS、 RS

TILT Channe 6 (Vpp) Level switch, e.g. LS、 RS

MODE Channe 10 (AUX1) 3-Position switch, e.g. SC

Photo Channe 11(AUX2) 2-Position switch with spring back function, e.g. SH

Video Channe 12 (AUX3) 3-Position switch, e.g. SG

Note that these settings should be configured according to your requirements. Recommended Mapping for Futaba RC (Mode 2,A2 V2.5 and FutabaV5.0)

Controller Unit Channel Receiver Channel Recommended Transmitter Switch

A Channe 1(AIL) Joystick J1

E Channe 2 (ELE) Joystick J2

T Channe 3 (THR) Joystick J3

R Channe 4 (RUD) Joystick J4

U Channe 7 (AUX5) 3-Position switch, e.g.SG

IOC Channe 8 (AUX4) 3-Position switch, e.g.SA

CC Channe 9 (AUX6) 2-Position switch, e.g.SF

Gear DG1 2-Position switch, e.g.SF

ROLL Channe 10 (AUX1) Knob switch, e.g. LD、 RD

PAN Channe 5 (GEAR) Level switch, e.g. LS、 RS

TILT Channe 6 (Vpp) Level switch, e.g. LS、 RS
©2013-2014 DJI. All RightsReserved. 58

MODE Channe 11(AUX2) 3-Position switch, e.g. SC

Photo DG2 2-Position switch with spring back function, e.g. SH

Video Channe 12 (AUX3) 3-Position switch, e.g. SG

Note that these settings should be configured according to your requirements. Recommended Mapping for DJI NDJ6 RC (A2 V2.5)

Controller Unit Channel Receiver Channel Recommended Transmitter Switch

A A Master remote control J1

E E Master remote control J2

T T Master remote control J3

R R Master remote control J4

U U Master remote control S1

Gear X2 Master remote control S2

ROLL A Slave remote control J1

PAN E Slave remote control J2

TILT R Slave remote control J4

MODE U Slave remote control S1

Photo X1 Slave remote control LD

Video X2 Slave remote control S2

Note that these settings should be configured according to your requirements. Follow the stepsbelow to check if the channels are working properly: 1) Run the A2 Assistant and go to the Channel Mapping page. 2) Move the Master remote controller’ s sticks and switches to ensure they are working properly on the Channel Mapping page. Note: For the H3-3D gimbal, set a 2-position switch with spring back function for the TILT channel and a 2-position

switch for the MODE channel. Settings of gain values for Your Reference

To set the value of basic gain and attitude gain you can refer to the following diagram. These values are only for

reference and may vary in practice. Aircraft

Configuration Information Basic Attitude Motor ESC Propeller Battery Weight Pitch Roll Yaw Pitch Roll Vertical

F450 DJI-2212 DJI-30A DJI-8 Inch 3S-2200 890 g 150 150 135 150 150 140

F550 DJI-2212 DJI-30A DJI-8 Inch 4S-3300 1530 g 170 170 150 160 160 150

S800 EVO/ Z15 DJI-4114 DJI-40A DJI-15Inch 6S-15000 7000g 140 140 130 140 140 130
©2013-2014 DJI. All RightsReserved. 59

The Transmitter setup of FUTABA

Please configure the Frequency item on your Transmitter adhere to the table below. (The names of FASST modes here are based to the Transmitter FUTABA T8FG, please ensure to select the most similar mode as the names differs for different Transmitters)

Transmitter type AREA FASST

FUTABA 18MZ Default FASST-MULTI\FASST-7CH

FUTABA 14MZ with TM-14 Default MULT\7CH

FUTABA 14SG FRANCE\GENERAL FASST-MULTI\FASST-7CH

FUTABA 12Z 2.4G FASST with TM-14 Default MULT\7CH

FUTABA 12FG 2.4G FASST with TM-14 Default MULT\7CH

FUTABA 10CG or 10C with TM-10 Default 7CH

FUTABA 9C SUPERwith TM-7 or TM-8 Default 7CH

FUTABA 8FG SUPER FRANCE\GENERAL MLT2\MULT\7CH

FUTABA 8FG FRANCE\GENERAL MULT/7CH

FUTABA 7C 2.4G Default Default

FUTABA 6EX FASST Default Default

GPSSNRFunctions Description

The DJI A2 Assistant (version 1.1.22) and iPad ground station (version 1.4.62) have recently added “SNR Health” and

“SNR Fluctuation” index monitors for GPS signals. User can monitor GPS signal quality, ensuring they have strong

and stable signals for better flight performance. By referring to these two values, user will be empowered to find

the best locations for take off and flight, while also detecting areas that might interfere with GPSsignals. The SNR interface provides you with “SNR Health” and “SNR Fluctuation” index monitors whose values change

according to aircraft maneuvers and environmental interference.

The “SNR Health Index” shows the GPS signal strength captured by the GPS receiver. A larger number

indicates a stronger GPS signal. We highly recommend pilots only take off when the SNR health value is greater than 36. The “SNR Fluctuation Index” shows the overall stability of the craft’ s current GPS signal. A smaller number

S1000/ 5D gimbal/

5D camera DJI-4114 DJI-40A DJI-15Inch 6S-15000 9200g 120 120 120 170 170 120

S1000/ 5D gimbal/

5D camera DJI-4114 DJI-40A DJI-15Inch 6S-15000 9300g 120 120 120 170 170 120
©2013-2014 DJI. All RightsReserved. 60

means that the signals will fluctuate less and provide a more stable GPSsignal overall.
©2013-2014 DJI. All RightsReserved. 61

A2 Receiver Type Description

For different types of receiver, displays on the A2 Assistant software will be different. For PPM receivers with Failsafe, the display isas below:

For the other receivers, the display is as below:

For example, when used with DJI Lightbridge, you will see the second display after disconnecting the remote

controller and Lightbridge. At this time, the A2 LED will blink blue and the aircraft will enter Failsafe.
©2013-2014 DJI. All RightsReserved. 62

Disclaimer

Please read this disclaimer carefully before using this product. By using this product, you hereby

agree to this disclaimer and signify that you have read it fully. THISPRODUCT ISNOT SUITABLEFORPEOPLE UNDERTHEAGEOF 18. A2 flight controller is designed for experience multi-rotor enthusiasts providing excellent self-leveling and altitude

holding, which completely takes the stress out of flying RC multi-rotors for both professional and hobby applications. Despite the product having a built-in flight control system and our efforts in making the operation of the controller as safe as possible when the main power battery is connected, we strongly recommend users to remove all

propellers when calibrating and setting parameters. Make sure all connections are good, and keep children and

animals away during firmware upgrade, system calibration and parameter setup. DJI Innovations accepts no liability

for damage(s) or injuries incurred directly or indirectly from the use of this product in the following conditions: 1. Damage(s) or injuries incurred when users are drunk, taking drugs, drug anesthesia, dizziness, fatigue, nausea

and any other conditions no matter physically or mentally that could impair your ability. 2. Damage(s) or injuries caused by subjective intentional operations. 3. Any mental damage compensation caused by accident. 4. Failure to follow the guidance of the manual to assemble or operate. 5. Malfunctions caused by refit or replacement with non-DJI accessories and parts. 6. Damage(s) or injuries caused by using third party products or fake DJI products. 7. Damage(s) or injuries caused by mis-operation or subjective mis-judgment. 8. Damage(s) or injuries caused by mechanical failures due to erosion, aging. 9. Damage(s) or injuries caused by continued flying after low voltage protection alarm is triggered. 10. Damage(s) or injuries caused by knowingly flying the aircraft in abnormal condition (such as water, oil, soil, sand and other unknown material ingress into the aircraft or the assembly is not completed, the main

componentshave obvious faults, obvious defect or missing accessories). 11. Damage(s) or injuries caused by flying in the following situations such as the aircraft in magnetic interference

area, radio interference area, government regulated no-fly zones or the pilot is in backlight, blocked, fuzzy

sight, and poor eyesight is not suitable for operating and other conditions not suitable for operating. 12. Damage(s) or injuries caused by using in bad weather, such as a rainy day or windy (more than moderate

breeze), snow, hail, lightning, tornadoes, hurricanes etc. 13. Damage(s) or injuries caused when the aircraft is in the following situations: collision, fire, explosion, floods,

tsunamis, subsidence, ice trapped, avalanche, debris flow, landslide, earthquake, etc. 14. Damage(s) or injuries caused by infringement such as any data, audio or video material recorded by the use of aircraft. 15. Damage(s) or injuries caused by the misuse of the battery, protection circuit, RC model and battery chargers. 16. Other losses that are not covered by the scope of DJI Innovations liability. Trademark

DJI and A2 are registered trademarks of DJI. Names of product, brand, etc., appearing in this manual are

trademarks or registered trademarks of their respective owner companies. This product and manual are copyrighted

by DJI with all rights reserved. No part of this product or manual shall be reproduced in any form without the prior written consent or authorization of DJI. No patent liability is assumed with respect to the use of the product or

information contained herein.