ViewSonic IFP9850-4 User Manual page 96

Example 1: Set Brightness as 76 for Display (#02) and this command is valid
Send (Hex Format)
Name Length
Hex 0x38
Reply (Hex Format)
Name
Hex
Example 2: Set Brightness as 75 for Display (#02) and this command is NOT valid
Send (Hex Format)
Name Length
Hex 0x38
Reply (Hex Format)
Name
Hex
ID Command Type Command Value1 Value2 Value3
0x30 0x73
0x32
Length ID
0x34 0x30
0x32
ID Command Type Command Value1 Value2 Value3
0x30 0x73
0x32
Length ID
0x34 0x30
0x32
0x24 0x30
Command Type
0x2B
0x24 0x30
Command Type
0x2D
96
CR
0x37 0x36 0x0D
CR
0x0D
CR
0x37 0x35 0x0D
CR
0x0D