Control Codes - Samsung RM49H User Manual

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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
Volume control
3
Input source control
4
Screen mode control
5
Screen size control
6
PIP on/off control
7
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
Checksum
1
Value
Command
Value range
0x11
0~1
0x12
0~100
0x14
-
0x18
-
0x19
0~255
0x3C
0~1
0x5D
0~1
Header
Command
ID
0xAA
0x11
Header
Command
ID
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.
Data length
Data 1
Checksum
1
"Power"
Data length
Data 1
12
1
1
26

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