ViewSonic VT2755LED User Manual page 45

Other Information
3. Command Description
Length Total Byte of Message excluding "CR"
TV ID Identification for each of TV
Command Type Identify command type,
"s" (0x73h) : Set Command
"g" (0x67h) : Get Command
"r" (0x72h) : Reply Command
"p" (0x70h) : RCU Pass-through
"+" (0x2Bh) : Valid command Reply
"-" (0x2Dh) : Invalid command Reply
Command Function command code: One byte ASCII code
Value[1~3] Three bytes ASCII that defines the value
CR 0x0D
4. Set-Function Listing
The PC can control the LCD Monitor for specific actions. The Set-Function command allows
you to control the LCD monitor behavior in a remote sit through the RS232 port. The Set-
Function packet format consists of 9 bytes.
Set-Function description:
Length Total Byte of Message excluding "CR"
Identification for each of TV. The TV ID doesn't be supported by HDTV "power
TV ID
on" command.
If we want to set all TV settings, TV ID can use "99" to achieve, and it will not
have Reply command on this function.
The TV ID can be set via the OSD menu for each TV set.
Identify command type,
Command Type "s" (0x73h) : Set Command
"+" (0x2Bh) : Valid command Reply
"-" (0x2Dh) : Invalid command Reply
Command Function command code: One byte ASCII code
Value[1~3] Three bytes ASCII that defines the value
CR 0x0D
Set-Function format:
Send (Command Type= "s")
Name Length
Byte Count 1 Byte
Bytes order 1
[NOTE] Set "Power on" command is the exception.
(Command Type= "s", Only for HDTV power on)
Name Length
Byte Count 1 Byte
Bytes order 1
ViewSonic
ID Command Command
Type
2 Byte 1 Byte 1 Byte
2~3 4 5
Command Command Value1
Type
1 Byte 1 Byte 1 Byte
2 3 4
Value1 Value2
1 Byte 1 Byte
6 7
Value2 Value3
1 Byte 1 Byte
5 6
36
Value3 CR
1 Byte 1 Byte
8 9
CR
1 Byte
7
VT2755LED