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

0x3D

0

 

 

 

 

8

Video wall mode control

0x5C

0~1

 

 

 

 

9

Safety Lock

0x5D

0~1

•• 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

Data 1

Checksum

 

 

 

 

 

 

0xAA

0x11

 

1

"Power"

 

 

 

 

 

 

 

 

 

 

 

 

 

Header

Command

ID

Data length

Data 1

12

 

 

 

 

 

 

0xAA

0x11

 

1

1

 

•• To control all devices connected by a serial cable simultaneously irrespective of IDs, set the ID as "0xFE" and transmit commands. Commands will be executed by each device but ACK will not respond.

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