Samsung 400BX User Manual

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Preparations
1
1 Preparations
1.5.2
Control Codes
Viewing control state (Get control command)
Controlling (Set control command)
Command
z
Issued IDs can be displayed in hexadecimals. However, ID 0 must be displayed as 0xFF.
z
All communications take place in hexadecimals. The checksum is calculated by adding up all values 
except the header. If a checksum adds up to be more than 2 digits as shown below 
(11+FF+01+01=112), the first digit is removed.
E.g. Power On & ID=0 
Header
Command
ID
Data length
Checksum
0xAA
Command 
type
0
Header
Command
ID
Data length
Data
Checksum
0xAA
Command 
type
1
Value
No.
Command type
Command
Value range
1
Power control
0x11
0~1
2
Volume control
0x12
0~100
3
Input source control
0x14
-
4
Screen mode control
0x18
-
5
Screen size control
0x19
0~255
6
PIP on/off control
0x3C
0~1
7
Auto adjustment control
0x3D
0
8
Video wall mode control
0x5C
0~1
9
Safety Lock
0x5D
0~1
Header
Command
ID
Data length
Data 1
Checksum
0xAA
0x11
1
"Power"
Header
Command
ID
Data length
Data 1
12
0xAA
0x11
1
1