JVC DLA-X550R Instruction Manual - Page 67

Command Format, Header, Unit ID, Command and data, Others

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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 21 3F 40 06 Type Description Operating command PC " This unit Reference command PC " This unit Response command This unit " PC 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 whether communication is check 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. 68 Reference command and data (binary code) Command Type 5057 Power supply 4950 Input Description 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 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". Others 67

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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. 68
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”.
67
Others