22
RS-232C CODE
Command Detailed Explanation
Volume Control
Function
Personal computer changes volume of display
Get volume status
Start
Command
ID
Data
End
0xA9
0x13
0xAA
0x8A
Set volume
Start
Command
ID
Data
End
0xA9
0x13
Volume
0x8A
※
Volume : Volume value code (0x0 (0)~0x64 (100)) to be set on display.
Ack
Start
Command
ID
r-CMD
Data
End
0xA9
“A”
0x13
Volume
0x8A
“A” = 0x41
※
Volume :Same as above
Nak
Start
Command
ID
r-CMD
Data
End
0xA9
“N”
0x13
ERR
0x8A
“N” = 0x4E
ERR :
1
Invalid Command
2
Invalid Data
0xFF
Etc