NEC LCD8205 - MultiSync - 82" LCD Flat Panel Display Control Manual page 44

" AUTOVOLUME " Control procedure
7.21.
7.21.1. Auto Volume Control
CMD Data1
Command Target
(0xF5) (0x88)
Command (0xF5) : Start bit
Target (0x88) : Set bit
Monitor ID (0x00) : Default value -> 0x00
CMD (0xFE) : command data
Parameter(0x18) : ' AUTOVOLUME ' parameter
Value: Data value
0 : Off
1 : On
7.21.2. Current AUTOVOLUME state read
CMD Data1
Command Target
(0xF4) (0x89)
Command (0xF4) : Start bit
Target (0x89) : Get bit
Monitor ID (0x00) : Default value -> 0x00
CMD(0xFE) : command data
Parameter (0x18) : ' AUTOVOLUME ' parameter
CMD Data1
Command
Value
(0xF1)
Command (0xF1) : Start send bit
Value : Current AUTOVOLUME getting value
0 : Off
1 : On
Data2 Data3
Monitor ID CMD
(0x00) (0xFE)
Data2 Data3
Monitor ID CMD
(0x00) (0xFE)
Data4 Data5
Parameter
Value
(0x18)
Data4
Parameter
(0x18)