Samsung P63F - 63" Plasma Panel Control Protocol page 35

SEC-VD-DSW External Control - 0008
* Contrast Control
Function
●
Personal Computer changes contrast of TV / Monitor.
Get Contrast Status
●
Header
0xAA
Set Contrast
●
Header
0xAA
Contrast
Ack
●
Header
0xAA
Contrast
Nak
●
Header
0xAA
ERR : Error code that shows what occurred error is
(ATV, DTV, AV, S-Video, Component, HDMI
Command
ID
0x24
Command
ID
0x24
: Contrast value code to be set on TV/Monitor ( 0 ~ 100 )
Command
ID
0xFF
: Same as above
Command
ID
0xFF
Data Length
Check
Sum
0
Data 1
Data Length
1 Contrast
Ack/Nak
Data Length
3 'A'
Ack/Nak
Data Length
3 'N'
Display S/W, VD Business Team, Samsung Electronics
Only)
Check
Sum
r-CMD Val 1
0x24 Contrast
r-CMD Val 1
0x24 ERR
Check
Sum
Check
Sum
34