Volume Control - Samsung DE40C User Manual

1
Preparations

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)

Header
0xAA
"Volume": Volume value code to be set on a product (0-100)
Ack

Header
0xAA
"Volume": Volume value code to be set on a product (0-100)
Nak

Header
0xAA
"ERR": A code showing what error has occurred
Command
ID
0x12
Command
ID
0x12
Command Data length
ID
0xFF 3
Command Data length
ID
0xFF 3
Data length
Checksum
0
Data length Data
1 "Volume"
Ack/Nak r-CMD
'A' 0x12
Ack/Nak r-CMD
'N' 0x12
Checksum
Val1
Checksum
"Volume"
Val1
Checksum
"ERR"
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1 Preparations