Protocol 1 : With Id; Command Description; Set-Function Listing - ViewSonic CD4620 User Manual

Protocol 1 : with ID

5.

5.1 Command Description

Length:
TV ID
Command Type
Command:
Value[1~3]:
CR

5.2 Set-Function Listing

The PC can control the LCD Monitor for specific actions. The Set-Function command allows you to
control the LCD monitor behavior in a remote sit through the RS232 port. The Set-Function packet
format consists of 11 bytes.
Set-Function description:
Length:
TV ID
Command Type
Command:
Value[1~3]:
CR
Set-Function format
Send: (Command Type="s")
Name
Byte
Count
Bytes
order
Reply: (Command Type="+" or "-")
Name
Byte
Count
Bytes
order
Example1: Set Brightness as 76 for TV-02 and this command is valid
Send (Hex Format)
Name
Hex
Reply (Hex Format)
Name
Hex
Example2: Set Brightness as 176 for TV-02 and this command is NOT valid
Send (Hex Format)
Name
ViewSonic CD4620
Downloaded From TV-Manual.com Manuals
Total Byte of Message excluding "CR"
Identification for each of TV
Identify command type,
"s" (0x73h) : Set Command
"g" (0x67h) : Get Command
"r" (0x72h) : Reply Command
"p" (0x70h) : RCU Pass-through
"+" (0x2Bh) : Valid command Reply
"-" (0x2Dh) : Invalid command Reply
Function command code: One byte ASCII code
Three bytes ASCII that defines the value
0x0D
Total Byte of Message excluding "CR"
Identification for each of TV
If we want to set all TV settings, TV ID can use "99" to achieve, and it will not
have Reply command on this function.
Identify command type,
"s" (0x73h) : Set 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
0x38 0x30 0x73
0x32
Length ID Command Type
0x34 0x30 0x2B
0x32
Length ID Command Type
Command Value1 Value2
1 Byte 1 Byte 1 Byte
5 6
CR
1 Byte
5
Command Value1 Value2
0x24 0x30 0x37
CR
0x0D
Command Value1 Value2
Value3 CR
1 Byte 1 Byte
7 8 9
Value3 CR
0x36 0x0D
Value3 CR
46