©2013 DJI Innovations. All Rights Reserved 

# BTU ( Bluetooth Unit) Manual V1.0 4

BTU Bluetooth Unit is used with NM Assistant for wireless communication between
the autopilot system and mobile device. For NAZA

- M Firmware V3.1 6 or above. 

## S upported M obile devices
iPhone 4s 、 iPhone 5 、 iPod touch5 、 iPad mini 、 iPad3 、 iPad4 

## Specifications

B luetooth version 4.0 or above Weight 17g

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

E nvironment temperature

- 10 °C ~+ 5 0 °C Dimension s 25.4 mm ×25.4 mm ×7.2 mm 

## S tep 1: Connection

Connect the BTU to NAZA PMU V2 ( Accessory of NAZA

- M V2)



## S tep 2: Usage of NM Assistant

1. S earch the NM Assistant in App store on mobile device, or scan the QR code on package to download the App and install it.

2. Enable the Bluetooth function on the mobile device.

3. Power on the autopilot system, make sure the BTU Status Indi cator is

solid Green

.
4. Run the NM Assistant. Y ou may be asked to register through internet

when first login (the account of PC Assistant software is OK for login ) ; follow the tips to set Main Controller name and password

.©2013 DJI Innovations. All Rights Reserved 5

. Make sure NM Assistant and autopilot system connect successfully

.

6

. Set flying parameters in NM Assistant.



## S tep3: Flying test Prepare the aircraft and make sure all connections are ok. S tart Motors to takeoff the

aircraft.

V iew flying para meters. S et gain value.

Set gimbal parameters

. Only gain value and gimbal parameter are available to configure during
flying; other parameters can be set only after landing.



## FAQ

P roblems R easons S olutions

S tatus Indicator of

BTU is not so lid

Green on
. F irmware of MC is out of date

. P lease update firmware.

BTU and autopilot system

c onnection failure

. P lease check the connection

.

BTU damage. P lease contact your dealer.©2013 DJI Innovations. All Rights Reserved 

## CE Statement
SZ DJI TECHNOLOGY CO. LTD declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC.

FCC Statement : This equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. This device complies with par t 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications or changes to this equipment. Such modifications or changes could void the user’s authority to operate the equipment. NOTE: This equipment has been teste d and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interferenc e will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by on e or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.

- Con sult the dealer or an experienced radio/TV technician for help

.