WIRELESS CALL SYSTEMS

AN920
Instruction Manual V1.20

Please use this Instruction manual correctly on reading well.
Please keep it carefully to be able to read immediately, when required.

Table of Contents
1. OVERVIEW ................................................................................................................................. 1
1-1. Introduction .......................................................................................................................... 1
1-2. Main Unit and Accessories ................................................................................................. 3
1-3. Safety Precautions (Be Sure to Read This) ...................................................................... 4
1-4. General ................................................................................................................................. 6
1-5. System Configuration ......................................................................................................... 7
2．Specification ............................................................................................................................... 8
2-1．General Specification ......................................................................................................... 8
2-2．Transmitter AN920T ........................................................................................................... 8
2-3．Receiver AN920R/AN920RH/AN920RM ............................................................................. 9
3. PART NAMES AND DESCRIPTIONS ..................................................................................... 10
3-1. AN920T ............................................................................................................................... 10
3-2. AN920R ................................................................................................................................11
3-3．AN920RH ............................................................................................................................ 12
3-4．AN920RM............................................................................................................................ 13
4．Drawing ..................................................................................................................................... 14
4-1．AN920T ............................................................................................................................... 14
4-2．AN920R............................................................................................................................... 14
4-3．AN920RH ............................................................................................................................ 15
4-4．AN920RM............................................................................................................................ 15
5. SETTINGS ................................................................................................................................ 16
5-1. Transmitter Setting ............................................................................................................ 16
5-2. Display Setting................................................................................................................... 18
6. INSTALLATION ........................................................................................................................ 21
6-1. Installation of Transmitter ................................................................................................ 21
6-1-1. External Input ............................................................................................................. 21
6-1-2.Input Circuit.................................................................................................................. 21
6-2. Installation of Receiver ..................................................................................................... 22
6-2-1. Input / Output Terminal Block ................................................................................... 22
6-2-2．Input circuit ................................................................................................................. 24
6-2-3．Output circuit .............................................................................................................. 24
7. DESCRIPTION OF OPERATION ............................................................................................. 25
7-1. Basic Operation ................................................................................................................. 25
7-2. Receiver Test Operation ................................................................................................... 26
8. SPEAKER (OPTIONAL)........................................................................................................... 27
8-1. Speaker Operation............................................................................................................. 27
8-2. Dimensions of Receiver with Speaker ............................................................................ 27

8-3. Sound Selection ................................................................................................................ 28
9．After Service and Warranty ..................................................................................................... 30

AN920

1. OVERVIEW
1-1. Introduction
This instruction manual describes the information required for using this product including overview,
installation, and operation of this product. Read this manual carefully before using this product. Keep thismanual handy so that you can take it out immediately.
A wireless module "RN2903" built in this product obtained the transmitter approval of Federal
Communication Commission (FCC), CFR 47 Telecommunication, Part 15.212 Modular Transmitters, and themodule approval of Part15, Subpart C "International Radiators" based on the above approval.
The "RN2903" module is also approved for use in Canada according to the Radio Standards Specification(RSS) RSS-210 and RSS-GEN of Industry Canada (IC).
■FCC WarningThis equipment has been tested 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 inaccordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference toradio 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 one or more of the following measures:• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and annunciator.
• Connect the equipment into an outlet on a circuit different from that to which the annunciator is connected.
• Consult the dealer or an experienced radio/TV technician for help.

■IC WarningThis device complies with Industry Canada licenseexempt RSS standard(s). Operation is subject to the following two
conditions: (1) this device may not cause interference, and (2) this device must accept any interference, includinginterference that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2)'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'encompromettre le fonctionnement.

1

AN920Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (orlesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, theantenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more thanthat necessary for successful communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avecune antenne d'un
type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada.
Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, ilfaut choisir le typed'antenne et son gain de sorte quela puissance isotrope rayonnée équivalente (p.i.r.e.)
ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.

This radio transmitter (identify the device by certification number, or model number if Category II) has been approved byIndustry Canada to operate with the antenna types listed below with the maximum permissible gain and required antenna
impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the
maximum gain indicated for that type, are strictly prohibited for use with this device.

Conformément à la réglementation d'Industrie Canada,le présent émetteur radio peut fonctionner avecune antenne d'un
type et d'un gain maximal (ouinférieur) approuvé pour l'émetteur par Industrie Canada.
Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, ilfaut choisir le typed'antenne et son gain de sorte quela puissance isotrope rayonnée équivalente (p.i.r.e.)
ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.

■External Antenna TypesType

Gain(dBi)

Impedance

Sleeve Dipole

Under 6dBi

50Ω

1. Do not use this product for the application that may cause harm to human body or damage to otherdevices and equipment.
Do not use this product near the devices that may malfunction due to radio waves emitted from thisproduct.
2. Disassembly or modification of the device having an approval is prohibited by the law.
3. This product is available only in Canada and USA.
4. Because the communication performance is changed depending on the surrounding environment, be sure
to confirm the communication is established before installation of this product and then use it.

2

AN9201-2. Main Unit and Accessories■AN920TCH

SET UNITID MODE

AN920T

Anntena ×1

Cable Approx. 1.5 m

DC5V COM-+

AC adapter ×1

Transmitter main unit
“AN920T” ×1■AN920R (Large-sized 8-indicator type)

Antenna × 1(Cable: DC-code approx. 1.5 m + AC-cord
approx. 1.8 m)
Receiver main unit AN920R
AC adapter ×1■AN920RH (Large-sized 4-indicator type)

Antenna × 1(Cable: DC-code approx. 1.5 m + AC-cord
approx. 1.8 m)
Receiver main unit AN920RH
AC adapter ×1■AN920RM (Medium-sized 8-indicator type)

Antenna × 1(Cable: DC-code approx. 1.5 m + AC-cord
approx. 1.8 m)
Receiver main unit AN920RM
AC adapter ×1

3

AN9201-3. Safety Precautions (Be Sure to Read This)
This section describes the matters to be observed in order to prevent harm to the users and other persons
and damages to the property.
■ The following marks and displays classify and describe the extent of harm and damage caused by failingto observe the display content and using this product wrongly.

!

Warning

This display column shows "a failure to do observe it could result in death orserious personal injury".

!

CautionThis display column shows "a failure to do observe it could result in only the
personal injury or property damage".

!

Caution■ Common matters in handling● Avoid using this product in the humid or dusty place. Dusts or water enters the product,
which may cause the fault, fire, or electric shock.
■ Handling this product● This product is the wireless communication equipment made of precision parts. Do notdisassemble or modify it. Or the accident or fault may occur.

!

Warning■ Handling this product● Do not use this product for application that requires the extremely high reliability affecting
the human life.
● Do not use this product in the area which the radio wave reaches or not.

■ Handling the power supply
Be sure to observe the followings in order to prevent the accidents such as heat generation, damage, or
ignition of AC adapter and power cord.
● Do not place the AC adapter and power cord close to fire or insert them into fire. Or they
may be burst and ignited, resulting in the accident.
● Use the AC adapter and main body only at the specified power supply voltage in order toprevent burst and ignition accidents.
● Do not use the AC adapter and main body at the location where they easily get wet. Or theaccidents including heat generation, ignition, or electric shock and faults may occur.
4

AN920● Do not touch the AC adapter, main body, power cord, and outlet with wet hands. Or theaccident such as an electric shock may occur.
● Do not damage the power cord. Short-circuit or heat generation may cause fire or electric
shock.
● Do not use the power plug with dusts attached. Short-circuit or heat generation may cause
fire or electric shock.
● Do not give a strong shock to the AC adapter.
Or the accident or fault may occur.
● If you find a deformation in the AC adapter, do not use it.
Or the accident or fault may occur.
● Do not charge the main body at the location where the flammable gas is generated.
Or the ignition accident may occur.
● Never disassemble the AC adapter.
Or the accident or fault may occur.

■ Never disassemble the AC adapter.
Remove the power plug from the outlet because it may cause fire and electric shock. Request the dealeror our company to repair it.
● When smoke comes or there is a strange smell, immediately stop usage and remove thepower plug from the outlet because it may cause fire and electric shock. Request the dealeror our company to repair it.
● If the cord is damaged, do not use it. Using the cord damaged continuously may cause fireor electric shock.

■ Reliability of wireless communication
As wireless communication has properties that are different from those of wired communication,communication errors may occur due to the following.
・Exceeds the communication distance.
・Enters a dead zone.
・Interfered by strong jamming
If signals are often jammed, or being jammed leads to operational problems, stop using the systems andrestart using the systems after removal of the cause.
Radio waves may not be received due to various reasons other than the above. Please understand thisbefore using the systems.
* A dead zone is an area where the radio wave transmitted from the transmitter becomes extremely weak
due to radio waves reflected from walls or other objects.

5AN9201-4. General
AN920 series are wireless call systems using “LoRa Technology” for wireless communication.
The wireless call systems comprise one or transmitters and a receiver. The transmitter transmits a code in
response to a pushbutton input or a terminal block input. The receiver receives signals from each transmitter,and a particular color LED illuminates each indicator on the receiver, according to the corresponding input
from the transmitter.
AN920 can be used for calling distant people and objects. Examples include operators notifying a shortageof parts or an abnormal event in the assembly process.
Several types of receivers are available with different number and size of indicators. They can be used in
combination with AN920T transmitters.

ReceiverLarge-sized
8-indicator type
Large-sized
4-indicator typeMedium-sized
8-indicator type

Without speaker

With speaker

The number ofcorrespondingtransmitters

AN920R

AN920R-MRD

8

AN920RH

AN920RH-MRD

4

AN920RM

AN920RM-MRD

8

1. The communication distance is approx.500m indoors and approx. 1km outdoors.
It can be extended further by setting the wireless output settings to “Long Range”.
2. Set a desired communication method. (With/Without answerback)3. Wireless channels can be selected from 16 types, and code settings can be selected from 100 types.
Totally, a maximum of 1600 configurations can be set.
4. The transmitter is equipped with 4 push buttons (Orange/Red/Green/White) and 4 external inputs(Orange/Red/Green/White).
5. The included AC adapter is used for the power source for the transmitter and the receiver. (100 – 240
VAC)
6. Double-sided indicator.
7. An optional speaker enabling sound notifications can be installed on the receiver.

6

AN9201-5. System ConfigurationCH

SET UNITID MODECH

SET UNITID MODE-ID MODETx

DC5V COM+SET UNIT

DC5V COM-

AN920T
Rx

CH

Tx

AN920T
Rx

Tx

DC5V COM+-

ID MODE

AN920TRx

SET UNIT

Tx

CH

AN920T

Rx

DC5V COM

+

-

+

11.50

AN920T

AN920T
Rx

Tx

DC5V COM+

ID MODE

AN920T
Rx

Tx

DC5V COM-

DC5V COM+-+

AN920RH 1 unitCH

SET UNITID MODE

AN920T

Tx

AN920T
Rx

Tx

DC5V COM-CH

SET UNITID MODECH

SET UNITID MODE-ID MODETx

DC5V COM+SET UNIT

DC5V COM-

AN920T
Rx

CH

Tx

AN920T
Rx

Tx

DC5V COM+-

ID MODE

AN920TRx

SET UNIT

Tx

+

-

Tx

CH

SET UNITID MODE

DC5V COM-+

ID MODECH

SET UNITID MODE+SET UNIT-CH

DC5V COM

AN920TRx

AN920T
Rx

Tx

DC5V COM-+

ID MODETx

SET UNIT

AN920T
Rx+

DC5V COM

+

CH

Tx

DC5V COM-

Rx

AN920T 8 units:

AN920T

Rx

CH

AN920T+

ID MODE

AN920T 4 units:Rx

SET UNIT

CH

Tx

CH

ID MODE

AN920TSET UNIT-CH+ID MODE-SET UNITSET UNIT

DC5V COM

+

Rx

CH

CH

-

ID MODETx

DC5V COMSET UNITID MODE+SET UNIT

DC5V COM-

AN920TRx

CH

Tx

ID MODE

AN920TRx

SET UNIT

Tx

1 unitCH

AN920T

8 units: AN920R

DC5V COM
-

7

+

Rx

AN920RM 1 unit

AN9202．Specification
2-1．General Specification
Item

Specification

A destination country

U.S.A., Canada

Standard

FCC CRF47 Part15 Subpart C
IC
RSS-210/RSS-Gen

Frequency Band

903MHz～927MHz

Modulation Band

LoRa Technology

Antenna PowerStandard 3dBm(2.0mW) / Long Range 18.5dBm(70.79mW)

Modulation Speed

Approx.1170bps

Channel Step

1.6MHzAntenna

External Dipole AntennaCommunication
MethodHalf Duplex

2-2．Transmitter AN920T
Item
Indicator Element
Input(s)Specification
1 Red LED (Rx)
1 Green LED (Tx)
4 Push-Button （Orange/Red/Green/White(Off))
4 External-Input （Orange/Red/Green/White(Off)） *1

Power Source

AC 100-240V (Using included AC Adapter)

Wattage.

7W

External Dimensions(W × H × D)150 × 85 × 25 mm (5.9 × 3.3 × 1.0″)

WeightApprox. 0.2kg (0.4lb)

Operating
Environment

Temperature:0-+50℃(32-124°F)
Humidity:20-85% (without condensation)
1 Switches (2-Position DIP each)
1 Switches (16-Position Rotary each) for Channel Setting
3 Switches (10P-Position Rotary each) for Set, Unit, ID

Switches
Included

1 AC adapter, 1 Antenna*1：Available Wire Range Single Line：φ0.4mm(AWG26)～φ1.0mm(AWG18)22

Twisted Line：φ0.3mm(AWG22)～φ0.75mm(AWG20)
Wire Diameter：φ0.18 more8

AN9202-3．Receiver AN920R/AN920RH/AN920RM
Item
Product type

Indicator
Element

Output(s)Input(s)Specification
AN920R

AN920RH

8 Indicator Lamps
4 Indicator Lamps
Indicator Dimensions
Indicator Dimensions(H×W)150×100mm(5.9×3.9″) (H×W)150×100mm(5.9×3.9″)
Double-Sided Indicator
Double-Sided Indicator
3-Color LED
3-Color LED(Orange, Red, Green)(Orange, Red, Green)
4 Open Collector Outputs (Max. Rated Load AC/DC 35V 50mA)
1 Relay Output (Max. Related Load AC/DC 30V 0.5A)
2 Non-voltage Contact-Input
1 Reset ALL / 1 Reset Output

AN920RM
8 Indicator Lamps
Indicator Dimensions(H×W)50×90mm(2.0×3.5″)
Double-Sided Indicator
3-Color LED(Orange, Red, Green)Power
SourceAC100-240V(Using included AC Adapter)

WattageMax.90W

Max.44W

Max.33W

External
Dimensions(W×H×D)1000 × 300 × 80mm
(39.4×11.8×3.1″)(except any protruding object
such as an antenna)(W×H×D)600 × 300 × 80mm
(23.6×11.8×3.1″)(except any protruding object
such as an antenna)(W×H×D)600 × 300 × 80mm
(23.6×11.8×3.1″)(except any protruding object
such as an antenna)

WeightApprox.8kg（17.6lb）

Approx.5.3kg（11.7lb）

Approx.5.8kg（12.8lb）

Operating
Environment

Temperature：0～+40℃(32-104°F)
Humidity：85% or less (without condensation)
1 Switches (8-Position Rotary each)
1 Switches (16-Position Rotary each) for Channel Setting
2 Switches (10P-Position Rotary each) for Set, Unit, ID

Setting
SwitchIncluded

1 AC adapter, 1 Antenna

・The weight of the receiver with a speaker is approx.1.7kg heavier than that of a receiver without a speaker.

9AN9203. PART NAMES AND DESCRIPTIONS

78 9

23

23

9

1

23

23

0

9

1

9

1

ON

456

78

78

0

F0 1

456

78

0

CD
AB E

456

1 2

4 56

3-1. AN920T

Setting switch

Antenna
LED (Tx, Rx)

Mountingholes

CH

SET UNITID MODE

AN920T

Tx

Rx

DC5V COM-+

Push-button switch

External

contact

input

terminal blockDC jack

Item

Description

Setting switch

Configures the settings for the channels, sets, units and IDs. and communication
settings.

Antenna

Connects the included antenna.

Mounting holes

Mounting hole of φ3.5 ×2

LEDGreen LED (Tx) for transmitting and red LED (Rx) for receiving.

Push-button switch
Input terminal blockfor external contact
DC jack

Pushbutton switches in Orange/Red/Green/White.
Do not press more than one switch at the same time.
External inputs in Orange/Red/Green/White. The white pushbutton switch is for clearing
LEDs (Off). Input a no-voltage contact signal. Do not press more than one switch at thesame time.
DC jack for connection of the included AC adapter

10AN9203-2. AN920R
Power lamp
Power switch

SMA connector

Signal line
take-out hole
Mounting
bracketDC jack

Indicator

Side panel

Setting label
Option (with speaker)

Item

AN920R-MRD

Description

Mounting bracket

Use the mounting metal fittings for fixing the receiver.

SMA connector

Connects the included antenna.

Signal line take-out Connect the signal lines to the internal input/output terminal block by drawing themholethrough this takeout hole.
DC jack

DC jack for connection of the included AC adapter

Power lamp

Lamp for the power source. Lights up when the power source is switched on.

Power switch

Power switch of the main unit

Indicator
Side panel
Setting label
Speaker

3 color LED (Green/ Orange/Red) The indicator lamp corresponding to the ID of thetransmitter received illuminates (or flashes).
Remove the side panel to connect signal lines to the input/output terminal block or
configure channels/ indication mode/ unit/ set.
Label showing factory default channel/ set/ unit.
e.g. “1-0-2”：Channel 1/ Set 1/ Unit 2
An optional speaker can be installed on AN920RH-MRD.

11

AN9203-3．AN920RH
Signal line
take-out holePower lamp
Power switch

DC jack

SMA connector

Mounting
bracketIndicator

Side panel

Setting label
Option (with speaker)

Item

AN920RH-MRD

Description

Mounting bracket

Use the mounting metal fittings for fixing the receiver.

SMA connector

Connects the included antenna.

Signal line take-out Connect the signal lines to the internal input/output terminal block by drawing themholethrough this takeout hole.
DC jack

DC jack for connection of the included AC adapter

Power lamp

Lamp for the power source. Lights up when the power source is switched on.

Power switch

Power switch of the main unit

Indicator
Side panel
Setting label
Speaker

3 color LED (Green/ Orange/Red) The indicator lamp corresponding to the ID of thetransmitter received illuminates (or flashes).
Remove the side panel to connect signal lines to the input/output terminal block or
configure channels/ indication mode/ unit/ set.
Label showing factory default channel/ set/ unit.
e.g. “1-0-2”：Channel 1/ Set 1/ Unit 2
An optional speaker can be installed on AN920R-MRD.

12

AN9203-4．AN920RM
Signal line
take-out hole

DC jack

Power lamp

SMA connector

Mounting
bracketIndicator

Side panel

Power switch

Setting label

Option (with speaker)

Item

AN920RM-MRD

Description

Mounting bracket

Use the mounting metal fittings for fixing the receiver.

SMA connector

Connects the included antenna.

Signal line take-out Connect the signal lines to the internal input/output terminal block by drawing themholethrough this takeout hole.
DC jack

DC jack for connection of the included AC adapter

Power lamp

Lamp for the power source. Lights up when the power source is switched on.

Power switch

Power switch of the main unit

Indicator
Side panel
Setting label
Speaker

3 color LED (Green/ Orange/Red) The indicator lamp corresponding to the ID of thetransmitter received illuminates (or flashes).
Remove the side panel to connect signal lines to the input/output terminal block or
configure channels/ indication mode/ unit/ set.
Label showing factory default channel/ set/ unit.
e.g. “1-0-2”：Channel 1/ Set 1/ Unit 2
An optional speaker can be installed on AN920RM-MRD.

13

AN9204．Drawing
4-1．AN920T

CH

SET UNITID MODE

AN920T85

2-φ3.5

DC5V COM
-

+

125
136

25

150

4-2．AN920R
Φ２４
20 20

20 20

760

150

300

120

100

80
1000

140

172

（AN920R-MRD）

99

14

44

AN9204-3．AN920RH
Φ24

100

400

300

20 20

20 20 20 20

600

80

（AN920RH-MRD）

4-4．AN920RM
Φ24

100

400

300

20 20

20 20 20 20

80

600

（AN920RM-MRD）

15

AN920

5. SETTINGS
Receiver can be set Channel(1-16)/Set(1-10)/Unit(1-10).
Transmitter can be set Channel(1-16)/Set(1-10)/Unit(1-10) and ID(1-8).
Receive and Transmitter can communicate at same setting of channel/Set/Unit.
Also ID decide number for indicator. In the case of buy a set, setting is already done before shipment.
You don’t need set.

5-1. Transmitter Setting
For settings of the transmitter, remove the cover shown below and use the DIP switch and rotary switches.

Remove the cover.

4 56

23

78 9

23

1

9

1

23

23

0

9

9

1

ON

456
78

0

F0 1

456
78

78

DIPSW1
Communication
setting

0

CD
AB E

456

1 2

RSW3
Unit setting
RSW4
ID setting
RSW2

RSW1
Channel setting

Set setting■ Communication settings
Set the communication method and antenna power.
< Communication method >When setting the transmitter to “With answerback”, the receiver sends an answerback to the transmitter in
response to a signal from the transmitter. It is possible to confirm whether or not communication has been
performed when the receiver is placed where it cannot be seen from the transmitter.
When installing several receivers indicating the same status for the signal from one transmitter, set thetransmitter to “Without answerback”.
DIPSW1-1

Settings

OFF

With answerbackON

Without answerback< Wireless output setting >The transmission output can be set to either standard or long range.
Standard 3dBm (2.0 mW):

Communication distanceIndoorApprox. 500 m

OutdoorApprox. 1 km

Long range 18.5dBm (70.79 mW): Communication distanceIndoorApprox. 1 km

OutdoorApprox. 2 km

DIPSW1-2

Settings

OFF

Standard

ON

Long range

16

AN920■ Channel / Set / Unit / ID
Match the settings for Channel/Set/Unit with those of the receiver to communicate with. For the settings ofthe receiver, see the configuration label affixed to the lower part of the receiver. The indicator to beilluminated is determined by ID setting.
< Channel >RSW1

Channel11Frequency
(MHz)
903.0

RSW1

Channel99Frequency
(MHz)
915.8

2

2

904.6

A

10

917.4

3

3

906.2

B

11

919.0

4

4

907.8

C

12

920.6

5

5

909.4

D

13

922.2

6

6

911.0

E

14

923.8

7

7

912.6

F

15

925.4

8

8

914.2

0

16

927.0

< Set><Unit>
RSW2

Set

RSW3

Unit

1

1

1

1

2

2

2

2

3

3

3

3

4

4

4

4

5

5

5

5

6

6

6

6

7

7

7

7

8

8

8

8

9

9

9

9

0

10

0

10

RSW4

ID

1

1

Indicator
number
1

2

2

2

3

3

3

4

4

4

5

5

5

6

6

6

7

7

7

8

8

8

9

-

-

For settings of AN920RH, IDs 1-4

0

-

-

are assigned to AN920RH.

＜ID＞

17

AN9205-2. Display Setting
Set the receiver using the RSW1-3 (rotary switches 1-3) and the DIPSW1 (DIP switch 1) on the CPU board
inside the receiver. Set the antenna vertical to the side panel and remove the screws (4) securing the sidepanel. Move the side panel so that it does not get caught in the antenna and remove the side panel.

As the CPU board is in the front, remove the front acrylic sheet by sliding it out.
Inside of the receiver (Surface)

9

23

23

1

1

9

23

456
０

O N

9

０

78

456

78

０

78

456

1

1 2 3 4 5 6 7 8

R S W1
R S W2
R S W3
D S W1

9

23

23
1

1

9

23

456
０

9

０

78

456

78

０

78

456

ON

1 2 3 4 5 6 7 818

CPU board1

AN920■ Channel / Set / Unit
Configure the settings of Channel/Set/Unit to match those of the transmitter to communicate with.
< Channel >RSW1

Channel11Frequency
(MHz)
903.0

RSW1

Channel99Frequency
(MHz)
915.8

2

2

904.6

A

10

917.4

3

3

906.2

B

11

919.0

4

4

907.8

C

12

920.6

5

5

909.4

D

13

922.2

6

6

911.0

E

14

923.8

7

7

912.6

F

15

925.4

8

8

914.2

0

16

927.0

< Set >< Unit >
RSW2

Set

RSW3

Unit

1

1

1

1

2

2

2

2

3

3

3

3

4

4

4

4

5

5

5

5

6

6

6

6

7

7

7

7

8

8

8

8

9

9

9

9

0

10

0

10

The setting contents is indicated binary way at turning on.
It is indicated in the order of channel->Green LED / Set->Orange LED / Unit->Red LED.
In the case of Channel16/Set 10/Unit 10, all indicators blink.
Ex) In the case of Channel 12 / Set 4 / Unit 10
Channel: Indicator 3 and 4-Green is indicated↓Set: Indicator 3 – Orange is indicated↓Unit: All Indicator – All indicator of Red is blinked (2 times)

19

AN920■ Display mode
Set the display mode using the DIPSW1-1 and DIPSW1-2. Four display modes are available.
Display mode

DIPSW1-1

DIPSW1-2

Button input

Terminal input

1

OFF

OFF

Illumination

Illumination

2

ON

OFF

Blinking

Illumination

3

OFF

ON

Illumination

Blinking

4

ON

ON

Blinking

Blinking■ Setting the output time
Set the open collector output and relay output time with the DIPSW1-3.
①Continuous output: Generates a continuous output in synchronization with illumination (or blinking) of the indicator.
②Output for 5 seconds: Generates an output in synchronization with illumination (or blinking) of the indicator for 5 sec.
Status of the DSW1-3

OFF

ON

Output timeContinuous

5 seconds

20

AN9206. INSTALLATION
6-1. Installation of Transmitter
When installing the product, pay attention to the following①Install the transmitter in a location where the antenna is not surrounded by metal or shielding and stablecommunication is possible.
②Mount the antenna away from metal objects to prevent them from becoming parallel to each other.
Do not install the transmitter in the following locations:･Locations exposed to direct sunlight.
･Locations with high humidity.
･Near a television or radio.
･Near machines that spark, such as a welding machine.
･Locations where strong magnetic field is generated.
･Locations surrounded by steel frames or metal walls.
・Near any devices that could malfunction due to radio waves from the systems.
③When fixing the transmitter to a panel, etc., use mounting holes.

6-1-1. External Input
When using external inputs (Orange/ Red/ Green/ White), connect no-voltage contact inputs to the external
contact input terminal block. Connect no-voltage contact inputs to the external contact input terminal block,which allows “DC3.3/5mA” to be turned ON/OFF stably.
Set the input signal to 50ms or more.
ORANGE
RED
GREEN
WHITE

(Screwless terminal block)Applicable wire range:
Single wire: φ0.4 mm (AWG26) – φ1.0 mm (AWG18)

COM

Stranded wire: φ0.3 mm2 (AWG22) – φ0.75 mm2 (AWG20)
Strand diameter of φ0.18 or more

6-1-2.Input Circuit
3.3V

O/R/G/WCOM

When installation and connection to the external input are completed, connect the included AC adapter tothe transmitter main unit. Supply voltage input range: 100 – 240 VAC

21

AN9206-2. Installation of Receiver
Install the receiver following the precautions below. Installation of the receiver is described by using theillustrations of the large-sized 8-indicator type receiver AN920R. For installation of AN920RH (Large-sized
4-indicator type) and AN920RM (Medium-sized 8-indicator type), also refer to the description below.
①Keep the antenna away from metal sheets or wires, and prevent the antenna from becoming parallel tothem.
②Keep the antenna away from noise sources.
③Select a location where there are no shielding objects between the antennas of the transmitter and thereceiver.
④The communication performance varies depending on the installation environment. Make surecommunication is possible before installation.
⑤The receiver is neither dust-proof nor drip-proof.
*Do not install the receiver in the following locations:・ Locations exposed to direct sunlight.
・ Locations with high humidity.
・ Near a television or radio.
・ Near machines that spark, such as a welding machine.
・ Locations where strong magnetic field is generated.
・ Locations surrounded by steel frames or metal walls.
・ Near any devices that could malfunction due to radio waves from the systems.
⑥Place the receiver where it can be seen easily and clearly from the transmitter. When using the mounting
fittings, secure the receiver to a location stable enough to support the weight (approx. 8kg).
Direct the antenna diagonally upward. Do not direct it downward in parallel with the side of the receiver.
Bad

Good
11.50

6-2-1. Input / Output Terminal Block
External output in synchronization with LED illumination is generated at the input/output terminal block
inside. Remove the antenna and remove the screws (4) securing the side panel.
Move the side panel and remove the side panel.

22

AN920As the input/output terminal block is on the back side, remove the acrylic sheet on the back by sliding it out.

9.

RY1

7. OC4

8. GND

6. OC310.
1 0

4. OC1

5. OC20 9

3. GND

０ ７

0 8

1. RST1

0 6

2. RST2

0 4

0 5

0 3

0 1

6. OC3

7. OC4

8. GND

9.

10.

0 6

０ ７

0 8

0 9

1 0

RY1

5. OC20 5

3 . GND
0 3

4 . OC1

2. RST2
0 2

0 4

1. RST1
0 1

Input/output terminal block

0 2

Inside of the receiver (back)Terminal blockContents

1.RST1

All reset input (Returns the settings to default.)

2.RST2

Output reset input （Stop external output. )

3.GND

GND

4.OC1

Open collector output (Synchronized with orange LED illumination.)

5.OC2

Open collector output (Synchronized with red LED illumination.)

6.OC3

Open collector output (Synchronized with green LED illumination.)

7.OC4

Open collector output（Synchronized with orange/red/green LED illumination.)

8.GND

GND

9/10.RY1

Relay output (Synchronized with orange/red/green LED
illumination.)

Pass the signal line through the signal line takeout hole before connecting it to the terminal block.
*Input/output terminal block: M3 screw23

AN9206-2-2．Input circuit
For the Non-voltage contact input to be connected to the “All Reset” Input and “Output Reset” Input , use thecircuit with less chattering which can steadily turn on/off the voltage/current of DC5V/15mA.
“Reset” Input Circuit
５Ｖ

Photocoupler

ＲＳＴ１，２

ＧＮＤ
Terminal Block

6-2-3．Output circuit
Max. Rated Road of open collector is AC/DC35V 50mA.
Open Collector Output circuit
Transistor

ＯＣ１～４

ＧＮＤ
Terminal Block

Max. Rated Road of relay output is AC/DC30V 0.5A.
Relay Output Circuit
ＰｈｏｔｏＭＯＳ Relay
ＲＹ１

ＲＹ１

Terminal BlockWhen installation and connection to the external input and output are completed, connect the included AC
adapter to the receiver main unit. Supply voltage input range: 100 – 240 VAC

24

AN9207. DESCRIPTION OF OPERATION
7-1. Basic Operation
When the receiver receives a signal sent from the transmitter, a LED illuminates the corresponding indicatoraccording to the set ID, and the receiver produces a relay output and an open collector output.
According to the color of the transmitter pushbutton and external input, the corresponding LED color
illuminates and the corresponding open collector output OC1-OC3 is activated.

Tx

Tx

-

DC5V COM

+

-

+

CH

SET UNITID MODE

AN920T

ID MODEID MODE

DC5V COM+Rx

SET UNITSET UNIT-

AN920T
Rx

CH

CH

Rx

DC5V COM+

ID MODE

DC5V COM-

AN920TSET UNIT

Tx

CH

AN920TRx

ID4
ID MODETx

ID3

SET UNIT

AN920T

ID2

CH

ID1

Tx

Rx

11.50

DC5V COM-

Tx

CH

SET UNITID MODECH

DC5V COM-SET UNITID MODEID5

ID MODE+SET UNIT

DC5V COM-

AN920T
Rx

CH

Tx

AN920T
Rx

Tx

DC5V COM

+

-

ID6

ID MODE

AN920TRx

SET UNIT

Tx

+

Rx

DC5V COM
-

ID7

CH

AN920T++< Monitoring of communication status >Transmitting: Tx (Green) LED illuminates
Receiving: Rx (Red) LED illuminates(In the “With answerback” setting)1 second illumination : Normal
1 second blinking : Invalidity
No lighting : Communication Error

ID8■ Action of the receiver when the transmitter ID1 is operated
Transmitter ID1

Indicator

Orange Button

Indicator Number 1
Orange: illuminates or
blinksGreen Button

Indicator Number 1
Green: illuminates or blinks

Red Button

Indicator Number 1
Red: illuminates or blinks

White Button
Orange external
input

Indicator Number 1 Off
Indicator Number 1
Orange: illuminates or
blinksGreen external
input(Hold the ON state)

Indicator Number 1
Green: illuminates or blinks

Red external input(Hold the ON state)

Indicator Number 1
Red: illuminates or blinks

White external input(Hold the ON state)-

Receiver
Relay output
Terminal block:RY1
ON(Output continuation or
5 seconds)
ON(Output continuation or
5 seconds)
ON(Output continuation or
5 seconds)
OFF
ON(Output continuation or
5 seconds)
ON(Output continuation or
5 seconds)
ON(Output continuation or
5 seconds)

Open collector output
Terminal block:OC1-OC4
OC1/OC4 ON(Output continuation or 5
seconds)
OC2/OC4 ON(Output continuation or 5
seconds)
OC3/OC4 ON(Output continuation or 5
seconds)
OFF
OC1/OC4 ON(Output continuation or 5
seconds)
OC2/OC4 ON(Output continuation or 5
seconds)
OC3/OC4 ON(Output continuation or 5
seconds)--

The operation of the indicator when operating the transmitter ID 2 is the operation of the window number 2.
Similarly, when the transmitter ID 3 - 8 is operated, the operation of the indicator is the operation of
window number 3 - 8.

25

AN920･ The pushbuttons are not prioritized. The signal received later takes priority.
･ While the external input signals are ON, the receiver stays active.
When the external input signals turn OFF, the transmitter automatically sends an OFF signal to thereceiver.
･ Pressing several pushbuttons on a single transmitter simultaneously becomes invalid.
･ When several external inputs on a single transmitter turn ON simultaneously, it becomes invalid.

7-2. Receiver Test Operation
After receiving test codes, the receiver performs the following as shown in the table below. During test
execution, receiving signals becomes invalid.
Test codes are valid only when they are test codes combined by button inputs on the transmitter. Test codes
combined by an external terminal input and a button input are ignored.

Receive test code

Name

Operation

Button Orange + Red + WhiteRed LED1-8 ON(every 0.5SEC)(Button: Press orange, red and white Indication test
Green LED1-8 ON(every 0.5SEC)
simultaneously.)
Button Orange + Green +White
Relay output RY1 ON(every 0.5SEC)(Button: Press orange, green and
Output test
Open collector output OC1-OC4 ON(every
white simultaneously.)
0.5SEC)
Depending on the timing of pressing the buttons simultaneously, the button code pressed a little earlier thanthe others is transmitted, but not as a test code. The receiver may not execute a test action.

26

AN9208. SPEAKER (OPTIONAL)
8-1. Speaker Operation
A speaker can be installed on the receiver (top) and it produces sound in synchronization with illumination(or blinking) of the LED indicators.
The speaker generates sounds corresponding to 3-color LED indication.
* The speaker sounds are prioritized.
* As the sounds are generated by using the open collector outputs “OC1-OC3”, the open collector outputs
cannot be used for connection of other devices.
The models with a speaker are as follows.

ReceiverLarge-sized
8-indicator type
Large-sized
4-indicator typeMedium-sized
8-indicator type

With speaker

The number of corresponding transmitters

AN920R-MRD

8

AN920RH-MRD

4

AN920RM-MRD

8

8-2. Dimensions of Receiver with Speaker* The weight of the receiver with a speaker is approx.1.7kg heavier than that of a receiver without aspeaker. Be careful when installing these models.

Speaker backSelect Switch for power source
Using 24V

Sound volume

Sound Group Switch27

AN9208-3. Sound Selection
The speaker sounds can be selected from 15 groups.
The receiver is shipped with a Shneider’s speaker “ST-25MM”（or ”ST-25MM2”）connected as follows.
Output OC1: In synchronization with orange LED indication(button orange) ⇒ Connected to CH1 of the
speaker
Output OC2: In synchronization with red LED indication (button red) ⇒ Connected to CH2 of the speaker
Output OC3: In synchronization with green LED indication (button green) ⇒ Connected to CH3 of the
speaker
The speaker is prioritized. When signals are input simultaneously, the speaker sounds in the following
priority order.
CH1>CH2>CH3
To change the LED indicator color (Orange, Red, Green) and sound (and priority order), change theconnection of the terminal block inside the receiver.

The speaker sound can be selected from 15 sound groups A-O. Select your desired sound group and set
the sound using the sound changeover switch of the speaker.
■ Settings of the speaker sounding time
The speaker playing time can be selected from continuous/ 5 sec. by the internal settings..
(For the setting method, refer to "5-2. Setting of indicator".)*The speaker is set to continuous output setting at factory default.
*The speaker volume can be adjusted between 0 and 102dB without steps using the volume control.

28

AN920Speaker(ST-25MM) sounds list
Color of line from speaker
Group
1CH(Green)

2CH(Yellow)

3CH(Brown)

4CH(Blue)Ａ

ASHITA GA ARUSA

ELECTRICAL
PARADESAZAE-SAN

TOUTCHＢ

CHIME

PiPiPiPi

KINJIRARETAASOBI

KATSUSHYAＣKINJIRARETAASOBI

KATSUSHYASHEEP OF MERYKUSAKEIBA

Ｄ

CHIME

PiPiPiPiSHEEP OF MERYKUSAKEIBA

Ｅ

CHIME

PiPiPiPi

FLICKERPiLaLaＦ

CHIME

PiPiPiPiAMARYLLISMOZART’S 40THＧAMARYLLISMOZART’S 40TH

ASHITA GA ARUSA

Ｈ

CHIME

PiPiPiPi

ASHITA GA ARUSA

Ｉ

PiLaLaDOWN

EMERGENCY

FLICKERＪ

CHIME

PiPiPiPiSAZAE-SAN

TOUTCHＫSHEEP OF MERYKUSAKEIBAAMARYLLISMOZART’S 40TH

Ｌ

EMERGENCY

FLICKERCHIME

PiPiPiPi

Ｍ

DOWN

EMERGENCYCHIME

PiPiPiPiＮ

PiLaLaFLICKERSHEEP OF MERYKUSAKEIBAＯDOWN

EMERGENCYSAZAE-SAN

TOUTCH

4CH is no connected at shipment.

29

ELECTRICAL
PARADEELECTRICAL
PARADE

AN9209．After Service and Warranty
If something is wrong. If you should find anything wrong with the machine when using it under normal
conditions, check the warranty and repair regulations and contact the outlet store through which you
purchased the product or our Sales Office. The latest warranty and repair regulations can be found on our
website.

The user is prohibited by law from disassembling or making modification to the unit or otherwise
may be subject to punishment.

〔Warranty Regulation〕
This regulation (hereinafter referred to as the "Regulation") is for post-shipment warranty provided by
HERUTU ELECTRONICS CORPORATION (hereinafter referred to as the "Company") so that you can use
the Company's product you have purchased with confidence. The Regulation does not apply to special orderproducts (custom products). In addition, purchased products shall be subject to the relevant manufacturer's
warranty regulations, and the Regulation shall not apply.
Please note that in the event that the product you purchased comes with an instruction manual that
describes the Company's old repair regulation, the latest Regulation will still apply.
1. Warranty period
Unless otherwise specified, the warranty period shall be "up to thirteen months from the date of shipment of
the product by the Company". During the warranty period, the Company will replace the product with a newone or repair it free of charge in accordance with the provisions of the Regulation.
In addition, if a failure occurs during the warranty period due to the Company's responsibility and the
product with the failure (hereinafter referred to as the "Product") is replaced with a new one or repaired freeof charge, the warranty period of the Product will be “thirteen months from the date of initial shipment of the
Product, or six months from the date of shipment of the Product that has been replaced or repaired,
whichever comes later”.
The warranty period for paid repairs shall be in accordance with the provisions of the Company's repair
regulation.
2. Warranty scope
If a failure occurs during the warranty period due to the Company's responsibility, the Company will replace
the product with a new one or repair it free of charge.
Even within the warranty period, the warranty does not apply in the following cases:A) In the event of failure or damage caused by improper handling by the customer, such as dropping or
impact during transportation or movement by the customerB) In case of failure due to disassembly or modification of the main unit by the customerC) In case of natural disasters such as fires, earthquakes, floods, and in case of failure or damage due toabnormal voltage
D) In case of failure caused by failure of equipment other than the Company's designated equipment
connected to the Product30

AN920E) In case of failure of the Product's accessories (AC adapter, antenna, connection cable, etc.)
F) If damage is caused by the failure of consumables or limited-life parts included in the Product:
1.

Consumables: Batteries (rechargeable, batteries, dry batteries, button batteries, etc.), recording
media (SD cards, etc.)

2.

Limited-life parts: Various switches (limit switches, push button switches, etc.) and various sensors

3.

Other items that are worn out or have a service life due to use

If consumables or limited-life parts fail, we will replace or repair the parts for a fee.
G) In case of failure caused by handling contrary to the usage and precautions described in the
instruction manual of the ProductH) If repaired, adjusted, or improved by elsewhere other than the Company
I)

If the Company is unable to reproduce the failure

3. About repair of the ProductPlease note that repairing the Product requires equipment such as measuring instruments and tools, so theCompany will handle it as a pick-up repair service at the Company.
4. About the shipping cost for replacement or repair of the Product
Shipping charges for sending the Product to the Company or a distributor, as well as shipping charges forsending the Product that has been replaced or repaired by the Company or the distributor to the customer,
will be borne by the Company or the distributor.
5. Disclaimer
The Company is not responsible for any direct or indirect damages or monetary loss caused by failure of the
Product or its use.
6. Additional notes
Please note in advance that the information of the Product described on the Company's website and in the
catalogs, instruction manuals, technical materials, and other materials provided by the Company are subject
to change without notice to customers.
〔Repair Regulation〕
This regulation (hereinafter referred to as the "Regulation") shall be applied to paid repair service(hereinafter referred to as the "Service") provided by HERUTU ELECTRONICS CORPORATION(hereinafter referred to as the "Company"). The Regulation does not apply to special order products (custom
products). In addition, purchased products shall be subject to relevant manufacturer's repair regulations, andthe Regulation shall not apply.
Please note that in the event that the product you purchased comes with an instruction manual that
describes the Company's old repair regulation, the latest Regulation will still apply.
1.

Subject of the Regulation

The Service is provided for the Company's products that are "beyond the scope of the warranty specified in
the warranty regulation" and "from the sales start date to the end date of the repair period (seven years from31

AN920the production end date)". However, please note that the end date of the repair implementation period may
be earlier depending on the availability and procurement status of repair parts.
2.

Establishment of contract

The contract shall be established when the customer approves the quotation presented by the Company
and issues an order form before the end of the repair implementation period.
3.

Purpose of the Service

The Company will provide the Service for the purpose of repairing the function and performance of theCompany's product used by the customer if it fails beyond the scope of the warranty specified in thewarranty regulation. Please note that the Service requires equipment such as measuring instruments andtools, so the Company will handle it as a pick-up repair service at the Company.
4.

Usage fee for the Service

The usage fee for the Service shall be the total of the following fees:A) Repair service fee
The repair service fee is the total amount of technical fees, parts costs, other expenses incurred, andapplicable taxes associated with repairing the Company's product (hereinafter referred to as the "Productfor repair") that the customer wishes to repair.
B) Shipping fee (including the cost of packaging boxes)
The Company kindly asks that customers bear the shipping costs for sending the Product for repair to theCompany and for returning it from the Company. However, in the event that the Product for repair is sent
by payment on delivery by the customer, the shipping cost will be included in the Service charge.
5.

Warranty period and scope of the Product for repair

The warranty period for the Product for repair is "up to six months from the date of repair completion".
However, please note that failures other than the repaired parts (repaired places or replaced parts) are notcovered by the warranty of the Product for repair. In addition, if a failure occurs due to the Company's
responsibility within the warranty period, the Company will again repair the product free of charge.
6.

Handling of repair parts
A) In order to provide the Service stably for a long time and to promote environmental protection, etc.,
the Company may use recycled parts or alternative parts at the time of repair at its discretion.
B) The Company may, at its own discretion, collect the removed parts for the purpose of recycling or
analysis at the time of parts replacement through the regulation of the Service. Please note that thecollected parts are the property of the Company and will be recycled, used or discarded at its
discretion.

7.

Estimate for the Service

The estimate for the Service is basically free of charge. However, if the Company is unable to reproduce thefailure, it will not be able to carry out repairs and will not provide an estimate. If a technical investigation isrequired to reproduce the failure, the Company will estimate the cost of reproducing the failure.
32

AN9208.

Return of unrepaired product

If the Company does not estimate the cost of the Service due to reasons such as being unable to reproduce
the failure, it will return the Product for repair to the customer.
In addition, if the customer does not place an order within three months from the date of creation of thequotation, or if the customer does not accept the quotation and the customer expresses an intention not tocarry out the repair, the Company will assume that the customer has canceled the request for the Service,and the Company will return the Product for repair to the customer without carrying out the repair.
In addition, if a shipping fee is incurred for returning the product, it will be borne by the customer.
9.

Handling of personal information

The Company will properly handle personal information such as names and addresses being provided inaccordance with the privacy policy posted on the Company's website.
10. Compensation for damages
A) The responsibility of the Company for providing the Service shall be limited to the matters andcontents specified in the repair regulation, and shall not include any damages incurred by thecustomer due to special circumstances (including loss of profits of the customer and damages basedon claims for compensation made by third parties against the customer) and damages caused by
the customer being unable to use the product due to a failure or defect of the Product for repair.
However, this does not apply if the damage was caused by the Company's willful misconduct orgross negligence.
B) Even if the Company is liable to the customer for damages in connection with the regulation of theService, the Company's liability shall not exceed the amount equivalent to the value of the Productfor repair, except in cases of willful misconduct or gross negligence on the part of the Company. The
value of the Product for repair shall be calculated based on the residual value after depreciation or
the price of products with equivalent performance sold in the market at the time of damage.
11. Additional notes
A) The Company cannot restore stickers, LCD protective sheets, and coloring applied to the outercasing parts that you have attached yourself. In addition, if advertisement stickers were affixed at thetime of sale, they cannot be newly prepared as repair parts when replacing the outer casing parts.
After replacing the outer casing parts, the advertisement stickers will be returned without being
affixed.
B) Please note in advance that the information of the Product on the Company's website and in the
catalogs, instruction manuals, technical materials, and other materials provided by the Company are
subject to change without notice to customers.

33

HERUTU ELECTRONICS CORPORATION
422-1 Higashimikata-cho, Kita-ku, Hamamatsu, Shizuoka, 433-8104 Japan(Sales dept) TEL.+81-53-438-3555
Website URL https://www.herutu.co.jp/en/

FAX. +81-53-438-3411
E-mail info@herutu.co.jp