Viewsonic VT4236LED ユーザーガイド
Other Information
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3. Protocol
3.1 Set-Function Listing
The PC can control the TV Monitor for specific actions. The Set-Function command allows you to
control the TV behavior in a remote sit through the RS232 port. The Set-Function packet format
consists of 9 bytes.
Set-Function description:
Set-Function description:
Length:
Total Byte of Message excluding “CR”
TV ID:
Identification for each of TV
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.
Command Type: Identify 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
ID
Command
Type
Command Value1 Value2 Value3
CR
Byte Count
1 Byte
2 Byte
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
Bytes order
1
2~3
4
5
6
7
8
9
Reply: (Command Type= “+” or “-”)
Name
Length
ID
Command Type
CR
Byte Count
1 Byte
2 Byte
1 Byte
1 Byte
Bytes order
1
2~3
4
5
[NOTE] The reply for “Power on” command is the exception. It’s 0x322B0D ( 2+<CR>).
Example1: Set Brightness as 76 for TV-02 and this command is valid
Send (Hex Format)
Send (Hex Format)
Name
Length
ID
Command Type Command Value1 Value2 Value3
CR
Hex
0x38
0x30
0x32
0x73
0x24
0x30
0x37
0x36
0x0D
Reply (Hex Format)
Name
Length
ID
Command Type
CR
Hex
0x34
0x30
0x32
0x2B
0x0D