ViewSonic CDE5501, User Manual

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9.3.2 Get-Function Listing
The PC can interrogate the TV/DS for specific information. The Get-Function packet
format consists of 9 bytes which is similar to the Set-Function packet structure. Note
that the “Value” byte is always = 000
Get-Function description:
Length: Total Byte of Message excluding “CR”.
TV/DS ID Identification for each of TV/DS (01~98; default is 01).
Command Type Identify command type,
“g” (0x67h): Get Command
“r” (0x72h): 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
Get-Function format
Send: (Command Type=”g”)
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
NOTE: Get “Power STBY status” is the exception for VT2405LED-1 and
VT3205LED.
Reply: (Command Type=”r” or “-”)
If the Command is valid, Command Type =”r”
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
NOTE: The reply for “Power STBY status” command is the exception for
VT2405LED-1 and V3205LED. It’s 0x36 72 6C 30 30 30 0D ( 6rl000<CR>).