JVC DLA-Z1 - Manual (Page 68)

Command Format
The command between this unit and the computer consists of “Header”, “Unit ID”, “Command”, “Data” and “End”.
0
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 Reference command PC " This unit
40 Response command This unit " PC
06 ACK This unit " PC (returns to PC after the command is accepted without
error)
Unit ID
This is a code that 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
enabled between this unit and the
PC during standby.
5057 Power
supply
During standby
31: Turns on the power
When power is on
30: Turns off the power (Standby
mode)
4950 Input When power is on
36: HDMI 1
37: HDMI 2
5243 Remote
control
Sends the same code as the
supplied remote control.
0
“Remote Control
Code”P. 69
Reference command and data (binary code)
Command Type Description
5057 Power
supply
During standby or when power is
on
30: Standby mode
31: When power is on
32: In the Cool-down mode
34: When error occurs on this unit
4950 Input When power is on
36: HDMI 1
37: HDMI 2
End
This code indicates the end of communication. The binary code is fixed at “0A”.
68
Others