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User Operation Guide

First layer

First layer will control both the projector and screen relay in one go

Control

(*Press Once)

A)

 Press the 

“DOWN”

 button once.

1) Close the 

“Down”

 relay contact to activate Screen Down

2) Send out a IR code 

“Projector Power ON”

3) Send out a RS-232 code for 

“Projector Power ON”

B)

 Press the 

“UP”

 button once

1) Close the 

“Up”

 relay contact to activate Screen Up

2) Send out IR code 

“Projector Power OFF”

3) Send out RS-232 code for 

“Projector Power OFF”

C)

 Press the 

“STOP”

 button once

1) Reset all contact both 

“Up” 

and 

“Down” 

relay

2) Send out IR and RS-232 code for 

“Projector Input Select”

(*Max of two input is allows)

Second Layer

Second layer control will only control the screen relay

Control

(*Press and Hold for 1sec)

RS-232 PROGRAMMING

Setting between 

AVS-SSR8/1

 and PC for programming of

the Projector RS232 control code:

Communications Settings

Signal Level

RS-232C

Sync. Method

Asynchronous

Baud Rate

9600 bps

Parity

None

Character Length

8 bits

Stop Bit

1 bits

Any RS-232 utility software could be used for this programming

ABtUS 

AVS-SSR8/2

To set the switcher into Programming Mode:

Under normal model press and hold “Up” “Stop”and “Down” button at the same
time for 3 to 4 sec.

The button LED will start to Runs from “Up” “Stop” then “Down”continually as
confirmation. To return to Normal mode, press and hold the “Stop” button for
3 to 4 sec. LED will stop runing and “Stop” LED will stay “ON”

 1. Setting the Projector RS232 control code:

Basic format

The data sent from the computer to the controller is transmitted in the Hex format shown below:

Header code 

(4 byte) + 

Data code length 

(1 byte) + 

Command ID 

(3 byte) + 

Data code 

(maxium : 20 byte).

Header code 

: 53H 45H 54H 52H

Data code length 

: 00H ~ 14H

Command ID 

:

(1). 50H 57H 4EH : ID 

Code for setting 

Projector “Power On” RS232 control code.

(2). 50H 57H 46H : ID 

Code for setting 

Projector “Power Off” RS232 control code.

(3). 56H 44H 31H : ID 

Code for setting 

Projector “Input source-1” RS232 control code.

(4). 50H 43H 31H : ID 

Code for setting 

Projector “Input source-2” RS232 control code.

Data code 

: Projector RS232 command control code.

Basic Return command code from the AVS-SSR8/1

The data sent from the computer to the controller is transmitted in the Hex format shown below:

Header code 

(4 byte) + 

Data code length 

(1 byte) + 

Command ID 

(3 byte) + 

Data code 

(maxium : 20 byte).

to be continued..

ABtUS 

AVS-SSR8/2

04

05

“STOP” Button

Set Screen to STOP
when pressed.
*Projector Input select

“DOWN” Button

Set Screen to DOWN
when pressed.
*Projector ON

“UP” Button

Set Screen to UP
when pressed.
*Projector OFF

IR Window

For IR Receiving

and IR Learning

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