Power Control; Volume Control - Samsung RM49H User Manual

Power control

• Function
A product can be powered on and off using a PC.
• Viewing power state (Get Power ON / OFF Status)
Header Command ID
0xAA 0x11
• Setting power ON/Off (Set Power ON / OFF)
Header Command ID
0xAA 0x11
"Power": Power code to be set on a product.
1: Power ON
0: Power OFF
• Ack
Header Command ID Data length
0xAA 0xFF 3
"Power": Power code to be set on a product.
• Nak
Header Command ID Data length
0xAA 0xFF 3
"ERR" : A code showing what error has occurred.
Data length Checksum
0
Data length Data
1 "Power"
Ack/Nak r-CMD Val1
'A' 0x11 "Power"
Ack/Nak r-CMD Val1
'N' 0x11 "ERR"

Volume control

• Function
The volume of a product can be adjusted using a PC.
• Viewing volume state (Get Volume Status)
Header
0xAA
• Setting the volume (Set Volume)
Checksum Header
0xAA
"Volume": Volume value code to be set on a product. (0-100)
• Ack
Header Command
0xAA 0xFF
Checksum
"Volume": Volume value code to be set on a product. (0-100)
• Nak
Header Command
0xAA 0xFF
Checksum
"ERR" : A code showing what error has occurred.
Command ID Data length
0x12 0
Command ID Data length
0x12 1
ID Data length Ack/Nak
3 'A'
ID Data length Ack/Nak
3 'N'
Checksum
Data Checksum
"Volume"
r-CMD Val1 Checksum
0x12 "Volume"
r-CMD Val1 Checksum
0x12 "ERR"
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