Viewsonic CD4620 사용자 설명서

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ViewSonic
 CD4620 
46 
5. 
Protocol 1 : with ID 
5.1 Command 
Description 
 
Length: 
Total Byte of Message excluding “CR” 
TV ID 
Identification for each of TV 
Command Type 
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 
Command: 
Function command code: One byte ASCII code 
Value[1~3]: 
Three bytes ASCII that defines the value 
CR 
0x0D 
 
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:  
Total Byte of Message excluding “CR” 
TV ID 
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. 
Command Type 
Identify command type,   
“s” (0x73h) : Set Command 
Command:  
Function command code: One byte ASCII code   
Value[1~3]:  
Three bytes ASCII that defines the value   
CR 
0x0D 
 
Set-Function format   
Send: (Command Type=”s”) 
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 
6  7  8  9 
 
Reply: (Command Type=”+” or “-”) 
Name  
Length ID Command 
Type
CR 
Byte 
Count  
1 Byte   
2 Byte 
1 Byte 
1 Byte 
Bytes 
order 
1 2~3 
Example1: Set Brightness as 76 for TV-02 and this command is valid 
Send (Hex Format)   
Name  
Length 
ID 
Command Type
Command
Value1 
Value2 
Value3  
CR  
Hex  
0x38 0x30 
0x32 
0x73 0x24 0x30 0x37 0x36 0x0D 
Reply (Hex Format) 
Name  
Length ID Command 
Type
CR 
Hex  
0x34 0x30 
0x32 
0x2B 0x0D
 
Example2: Set Brightness as 176 for TV-02 and this command is NOT valid 
Send (Hex Format)   
Name  
Length 
ID 
Command Type
Command
Value1 
Value2 
Value3  
CR