![](http://pdfasset.owneriq.net/a/cc/acc1ca89-1ba9-477a-8ef5-56ee3b9b03fd/acc1ca89-1ba9-477a-8ef5-56ee3b9b03fd-bg1f.png)
• Ack
Header command
ID
DATA
Length
Ack/Nak r-CMD Val1
Check
Sum
0xAA 0xFF 3 ‘A’ 0x11 Power
Power : Same as above
• Nak
Header command
ID
DATA
Length
Ack/Nak r-CMD Val1
Check
Sum
0xAA 0xFF 3 ‘N’ 0x11 ERR
ERR : Error code that shows what occurred error is
• Volume Control
• Function
Personal Computer changes volume of TV / Monitor.
• Get Volume Status
Header command
ID
DATA Length
CheckSum
0xAA 0x12 0
• Set Volume
Header command
ID
DATA
Length
DATA
CheckSum
0xAA 0x12 1 Volume
Volume : Volume value code to be set on TV / Monitor (0 ~ 100)
• Ack
Header command
ID
DATA
Length
Ack/Nak r-CMD Val1
Check
Sum
0xAA 0xFF 3 ‘A’ 0x12 Volume
Volume : Same as above
• Nak
Header command
ID
DATA
Length
Ack/Nak r-CMD Val1
Check
Sum
0xAA 0xFF 3 ‘N’ 0x12 ERR
ERR : Error code that shows what occurred error is
Introduction