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.
E.g. Power On & ID=0
Data length
Checksum
0
Data length
Data
1
Value
Command
Value range
0x11
0~1
0x14
-
0x18
-
0x5D
0~1
Header
Command
0xAA
0x11
Header
Command
0xAA
0x11
•
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.
Checksum
ID
Data length
Data 1
1
"Power"
ID
Data length
Data 1
1
1
Checksum
12
15