Command Format - JVC DLA-RS4800 Instructions Manual

5
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
21
3F
40
06
■
Unit ID
This code specifies the unit. The binary code is fixed at "8901".
■ Command and data
Operating command and data (Binary code)
Command
0000
5057
4950
5243
76
Others
Type
Operating command
Response command
Reference command
ACK
Type
Connection check
Power supply
Input
Remote Control
PC → This unit
PC → This unit
This unit → PC
This unit → PC
(When the command is accepted without error, it
returns to PC)
Description
Check whether communication is available between this
unit and the PC during standby.
During standby
31: Turn on the power.
During power on
30: Turn off the power. (Standby mode)
During power on
32: COMP.
36: HDMI 1
37: HDMI 2
Sends the same code as the supplied remote control.
● "Remote control code"
Description
(Reference page: 77)