Control Codes
Viewing control state (Get control command)
Header
Command
ID
0xAA
Command type
Controlling (Set control command)
Header
Command
ID
0xAA
Command type
Command
No.
Command type
1
Power control
2
Input source control
3
Screen mode control
4
Safety Lock
•
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.
Data length
Checksum
0
Data length
Data
Checksum
1
Value
Command
Value range
0x11
0~1
0x14
0x18
0x5D
0~1
E.g. Power On & ID=0
Header
Command
0xAA
Header
Command
0xAA
•
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.
-
-
Data length
ID
0x11
1
Data length
ID
0x11
1
Data 1
Checksum
"Power"
Data 1
12
1
23