21
Chapter 2. Device setup
Connection 3
RS232C
OUT
RJ45 RS232C
IN OUT
RS232C
IN OUT
RS232C
IN OUT
Control Codes
Viewing control state (Get control command)
Header Command ID Data length Checksum
0xAA Command type 0
Controlling (Set control command)
Header Command ID Data
length
Data Checksum
0xAA Command type 1 Value
Command
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 (PC and
BNC only)
0x3D 0
8 Video wall mode control 0x5C 0~1
9 Safety Lock 0x5D 0~1
10 Video Wall On 0x84 0~1
11 Video Wall User Control 0x89 -
• 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 rst digit is removed.
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