Control Codes - Samsung SNOW-1703U User Manual

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 Checksum
1 Value
Command Value range
0x11 0~1
0x14 -
0x18 -
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
20