21
RS-232C CODE
Command Detailed Explanation
Panel Backlight Unit Control
Function
RS232 controller turns display panel BLU power on/off.
Get BLU power on/off status
Start
Command
ID
Data
End
0xA9
0x12
0xAA
0x8A
Set BLU power on/off
Start
Command
ID
Data
End
0xA9
0x12
BLU power
0x8A
※
BLU power : BLU Power code to be set on display.
0x1
Power on
0x0
Power off
Ack
Start
Command
ID
r-CMD
Data
End
0xA9
“A”
0x12
BLU Power
0x8A
“A” = 0x41
※
Power : Power code to be set on display.
0x1
Power on
0x0
Power off
Nak
Start
Command
ID
r-CMD
Data
End
0xA9
“N”
0x12
ERR
0x8A
“N” = 0x4E
ERR :
1
Invalid Command
2
Invalid Data
0xFF
Etc
