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Preparations
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1 Preparations
1.4.3 Control Codes
Viewing control state (Get control command)
Controlling (Set control command)
Command
Issued IDs can be displayed in hexadecimals. However, ID 0 must be displayed as 0xFF.
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
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.
Header Command
ID
Data length
Checksum
0xAA Command
type
0
Header Command
ID
Data length Data
Checksum
0xAA Command
type
1Value
No. Command type Command Value range
1 Power control 0x11 0~1
2 Volume control 0x12 0~100
3 Input source control 0x14 -
4 Picture Size control 0x15 -
5 Video wall mode control 0x5C 0~1
6 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