Samsung DE40A User Manual page 41

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
Comma
Data length
nd
ID
0xFF 3
Comma
Data length
nd
ID
0xFF 3
Data length
Checksum
0
Data length Data
1 "Volume"
Ack/Nak r-CMD
"Volume
'A' 0x12
Ack/Nak r-CMD
'N' 0x12
Checksum
Val1
Checksu
m
"
Val1
Checksu
m
"ERR"
41
1 Preparations