Get-Function Listing - ViewSonic CD4620 User Manual

5.3 Get-Function Listing

The PC can interrogate the LCD Monitor for specific information. The Get-Function packet format
consists of 5 bytes which is similar to the Set-Function packet structure. Note that the "Value" byte is
always = 00.
Get-Function description:
Length:
TV ID
Command Type
Command:
Value[1~3]:
CR
Get-Function format
Send: (Command Type="g")
Name
Byte
Count
Bytes
order
Reply: (Command Type="r" or "-")
If the Command is valid, Command Type ="r"
Name
Byte
Count
Bytes
order
If the Command is Not valid, Command Type="-"
Name
Byte
Count
Bytes
order
Example1: Get Brightness from TV-05 and this command is valid.
The Brightness value is 67.
Send (Hex Format)
Name
Hex
Reply(Hex Format)
Name
Hex
Example2: Get Brightness from TV-05 , but the Brightness command ID is error
and it is NOT in the command table.
Send (Hex Format)
Name
Hex
Reply (Hex Format)
Name
Hex
ViewSonic CD4620
Downloaded From TV-Manual.com Manuals
Total Byte of Message excluding "CR"
Identification for each of TV
Identify command type,
"g" (0x67h) : Get Command
Function command code: One byte ASCII code
Three bytes ASCII that defines the value
0x0D
Length ID Command Type
1 Byte 2 Byte 1 Byte
1 2~3 4
Length ID Command Type
1 Byte 2 Byte 1 Byte
1 2~3 4
Length ID Command Type
1 Byte 2 Byte 1 Byte
1 2~3 4
Length ID Command Type
0x38 0x30 0x67
0x35
Length ID Command Type
0x38 0x30 0x72
0x35
Length ID Command Type
0x38 0x30 0x67
0x35
Length ID Command Type
0x34 0x30 0x2D
0x35
Command Value1 Value2
1 Byte 1 Byte 1 Byte
5 6
Command Value1 Value2
1 Byte 1 Byte 1 Byte
5 6
CR
1 Byte
5
Command Value1 Value2
0x62 0x30 0x30
Command Value1 Value2
0x62 0x30 0x36
Command Value1 Value2
0XD3 0x30 0x30
CR
0x0D
Value3 CR
1 Byte 1 Byte
7 8 9
Value3 CR
1 Byte 1 Byte
7 8 9
Value3 CR
0x30 0x0D
Value3 CR
0x37 0x0D
Value3 CR
0x30 0x0D
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