25Control CodesViewing control state (Get control command)Header CommandIDData lengthChecksum0xAA Command type 0Controlling (Set control command)Header CommandIDData length DataChecksum0xAA Command type 1 ValueCommandNo. Command type Command Value range1 Power control 0x11 0~12 Volume control 0x12 0~1003 Input source control 0x14 -4 Safety Lock 0x5D 0~1• All communications take place in hexadecimals. The checksum is calculated by adding upall 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=0Header CommandIDData length Data 1Checksum0xAA 0x11 1 "Power"Header CommandIDData length Data 1120xAA 0x11 1 1• To control all devices connected by a serial cable simultaneously irrespective of IDs, set theID as "0xFE" and transmit commands. Commands will be executed by each device but ACKwill not respond.
