5Others

RS-232C Interface (Continued)

Command Format

The command between this unit and the computer consists of“Header”,“Unit ID”,“Command”,“Data” and “End”.

Header (1 byte), Unit ID (2 bytes), Command (2 bytes), Data (n bytes), End (1 byte) ■ Header

This binary code indicates the start of communication.

Binary code

Type

Description

 

 

 

21

Operating command

PC → This unit

 

 

 

3F

Response command

PC → This unit

 

 

 

40

Reference command

This unit → PC

 

 

 

 

 

This unit → PC

06

ACK

(When the command is accepted without error, it

 

 

returns to PC)

 

 

 

Unit ID

This code specifies the unit. The binary code is fixed at “8901”.

Command and data

Operating command and data (Binary code)

Command

Type

Description

 

 

 

0000

Connection check

Check whether communication is available between this

unit and the PC during standby.

 

 

 

 

 

 

 

During standby

5057

Power supply

31: Turn on the power.

During power on

 

 

 

 

30: Turn off the power. (Standby mode)

 

 

 

 

 

During power on

 

 

32: COMP.

4950

Input

33: PC 90 70

 

 

36: HDMI 1

 

 

37: HDMI 2

 

 

 

5243

Remote Control

Sends the same code as the supplied remote control.

“Remote control code” (Reference page: 89)

 

 

 

 

 

88

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JVC DLA-X90R, DLA-X30, DLA-X70R manual Command Format, Binary code, Unit ID, Command and data