BenQ TL650 RS232 Commands for PDP and IFP Products - Page 11

3.3 Get-Function Listing Get function format is listed as following : Length (1 byte) + ID (2 byte) + Cmd Type (1 byte) + Cmd Code(1 byte) + Value(>=3 byte) + CR (1 byte). Example 1: Get Brightness from ID-05 and this command is valid, and the Brightness value is 67. Send command: Byte 0 1 2 3 4 5 6 7 Name Length Value ID Cmd Type Cmd Code Byte1 Byte2 Byte3 Hex 0x38 0x30 0x35 0x67 0x62 0x30 0x30 0x30 Return: Byte 0 1 2 3 4 5 6 7 Name Length Value ID Cmd Type Cmd Code Byte1 Byte2 Byte3 Hex 0x38 0x30 0x35 0x72 0x62 0x30 0x36 0x37 8 CR 0x0D 8 CR 0x0D Example 2: Get Customer Name from ID-05, and the Customer Name is Qisda. Byte 0 1 2 3 4 Name Length ID Cmd Type Cmd Code Hex 0x44 0x30 0x35 0x67 0xDC 5 Byte1 0x01 6 Byte2 0x00 7 8 Byte3 Byte4 0x00 0x00 9 10 Value Byte5 Byte6 0x00 0x00 11 Byte7 0x00 12 Byte8 0x00 13 Byte9 0x00 14 15 Byte10 0x00 Byte11 0x00 16 17 Value Byte12 Byte13 0x00 0x00 18 Byte14 0x00 19 Byte15 0x00 Return: Byte Name Hex 0 1 2 3 4 Length ID Cmd Type Cmd Code 0x44 0x30 0x35 0x72 0xDC 20 CR 0x0D V1.0 11 / 20 Commercial Display RS-232 Protocol