ViewSonic CD4233 Hardware Interface Spec And Software Protocols page 4

Reply (Hex Format)
Name Length
Hex 0x34
Example2: Set Brightness as 176 for TV-02 and this command is NOT valid
Send (Hex Format)
Name Length
Hex 0x38
Reply (Hex Format)
Name Length
Hex 0x34
Example3: Set Tint as 32 for TV-03 and this command is valid
Send (Hex Format)
Name Length
Hex 0x38
Reply (Hex Format)
Name Length
Hex 0x34
Example4: Set Tint as 75 for TV-03 and this command is NOT valid
Send (Hex Format)
Name Length
Hex 0x38
Reply (Hex Format)
Name Length
Hex 0x34
Example5: Set Brightness as 76 for all TV and this command is valid
Send (Hex Format)
Name Length
Hex 0x38
No Reply.
CD5233/CD4233 set-function table
Set Function Length
Power 8
________________________________________________________________
May 28, 2007
Commercial Display RS-232 Protocol
ID Command
Type
0x30 0x2B
0x32
ID Command
Type
0x30 0x73
0x32
ID Command
Type
0x30 0x2D
0x32
ID Command
Type
0x30 0x73
0x33
ID Command
Type
0x30 0x2B
0x33
ID Command
Type
0x30 0x73
0x33
ID Command
Type
0x30 0x2B
0x33
ID Command
Type
0x39 0x73
0x39
ID Command
Type Code (ASCII) Code (Hex) (Three ASCII bytes)
s
4 / 16
CR
0x0D
Command Value1 Value2
0x24 0x31 0x37
CR
0x0D
Command Value1 Value2
0x27 0x30 0x33
CR
0x0D
Command Value1 Value2
0x27 0x30 0x37
CR
0x0D
Command Value1 Value2
0x24 0x30 0x37
Command
! 21 000: STBY
Commercial Display RS-232 Protocol
Revision 1.x
Value3 CR
0x36 0x0D
Value3 CR
0x32 0x0D
Value3 CR
0x35 0x0D
Value3 CR
0x36 0x0D
Value Range Comments
Controlled power