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Samsung QM105D User Manual
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29Control CodesViewing control state (Get control command)Header Command ID Data length Checksum0xAA Command type 0Controlling (Set control command)Header Command ID Data length Data Checksum0xAA Command type 1 ValueCommandNo. Command type Command Value range1 Power control 0x11 0~12 Volume control 0x12 0~1003 Input source control 0x14 -4 Screen mode control 0x18 -5 Screen size control 0x19 0~2556 PIP on/off control 0x3C 0~17 Auto adjustment control (PC andBNC only)0x3D 08 Video wall mode control 0x5C 0~19 Safety Lock 0x5D 0~1No. Command type Command Value range10 Video Wall On 0x84 0~111 Video Wall User Control 0x89 -• All communications take place in hexadecimals. The checksum is calculated by adding up allvalues 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 Command ID Data length Data 1 Checksum0xAA 0x11 1 "Power"Header Command ID Data length Data 1 120xAA 0x11 1 1• 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 notrespond. |
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