ViewSonic CD4620, VS11915 Get-Function description, Get-Function format Send Command Type=g

Command:

Value[1~3]:

CR

5.3Get-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:Total Byte of Message excluding “CR”

TV IDIdentification for each of TV Command Type Identify command type,

“g” (0x67h) : Get Command

Function command code: One byte ASCII code Three bytes ASCII that defines the value 0x0D

Get-Function format

Send: (Command Type=”g”)

Name

Byte

Count

Bytes order

Length	ID	Command Type	Command	Value1	Value2	Value3	CR
1 Byte	2 Byte	1 Byte	1 Byte	1 Byte	1 Byte	1 Byte	1 Byte
1	2~3	4	5	6	7	8	9

Reply: (Command Type=”r” or “-”)

If the Command is valid, Command Type =”r”

Name

Byte

Count

Bytes order

Length	ID	Command Type	Command	Value1	Value2	Value3	CR
1 Byte	2 Byte	1 Byte	1 Byte	1 Byte	1 Byte	1 Byte	1 Byte
1	2~3	4	5	6	7	8	9

If the Command is Not valid, Command Type=”-“

Name

Byte

Count

Bytes order

Length	ID	Command Type	CR
1 Byte	2 Byte	1 Byte	1 Byte
1	2~3	4	5

Example1: Get Brightness from TV-05 and this command is valid. The Brightness value is 67.

Send (Hex Format)

Name

Hex

Length	ID	Command Type	Command	Value1	Value2	Value3	CR
0x38	0x30	0x67	0x62	0x30	0x30	0x30	0x0D
	0x35

Reply(Hex Format)

Name

Hex

Length	ID	Command Type	Command	Value1	Value2	Value3	CR
0x38	0x30	0x72	0x62	0x30	0x36	0x37	0x0D
	0x35

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	Length	ID	Command Type	Command	Value1	Value2	Value3	CR
Hex	0x38	0x30	0x67	0XD3	0x30	0x30	0x30	0x0D
		0x35
Reply (Hex Format)
Name	Length	ID	Command Type	CR
Hex	0x34	0x30	0x2D	0x0D
		0x35

ViewSonic CD4620 49

Downloaded From TV-Manual.com Manuals