ViewSonic CDE3205-EP - Инструкция по эксплуатации - Страница 36

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10.3.2. 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

:    “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>).

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

Name 

Length

ID

Command 

Type

CR

Byte Count

1 Byte

2 Byte

1 Byte

1 Byte

Bytes order

1

2~3

4

5

Example1: Get Brightness from TV-05 and this comm and is valid. The Brightness value is 67.
Send (Hex Format) 

Name 

Length

ID

Command 

Type

Command Value1

Value2

Value3

CR

Hex 

0x38

0x30

0x35

0x67

0x62

0x30

0x30

0x30

0x0D