Samsung PE40C Manual page 48

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
Command Data length
ID
0xFF
Data length
Checksum
0
Data length
1 "Volume"
Ack/Nak r-CMD
3 'A'
Ack/Nak r-CMD
3 'N'
Data
Checksum
Val1
Checksum
0x12 "Volume"
Val1
Checksum
0x12 "ERR"
1 Preparations
48