ViewSonic CDE6520-W User Manual

47
12.3.2. Get-Function Listing
The PC can interrogate the Commercial Display for specic 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”.
Commercial Display ID Identication for each of Commercial Display (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 denes 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
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
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 Commercial Display-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

ViewSonic CDE6520-W Specifications

General

Brand	ViewSonic
Model	CDE6520-W
Category	Monitor
Language	English