Sharp LC42BT10U LC42BT10U Operation Manual - Page 54

Appendix RS-232C port specifications PC Control of the TV • When a program is set, the TV can be controlled from the PC using the RS-232C terminal. The input signal (PC/AV) can be selected, the volume can be adjusted and various other adjustments and settings can be made, enabling automatic programmed playing. • Attach an RS-232C cable cross-type (commercially available) to the supplied Din/D-Sub RS-232C for the connections. NOTE • This operation system should be used by a person who is accustomed to using computers. Communication conditions Set the RS-232C communication settings on the PC to match the TV's communication conditions. The TV's communication settings are as follows: Baud rate: 9,600 bps Data length: 8 bits Parity bit: None Stop bit: 1 bit Flow control: None Communication procedure Send the control commands from the PC via the RS-232C connector. The TV operates according to the received command and sends a response message to the PC. Do not send multiple commands at the same time. Wait until the PC receives the OK response before sending the next command. Command format Eight ASCII codes e CR C1 C2 C3 C4 P1 P2 P3 P4 Command 4-digits: Command. The text of four characters. Parameter 4-digits: Parameter 0 - 9, x, blank, ? Command 4-digits Parameter 4-digits Return code Parameter Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that 4 values are input for the parameter.) When the input parameter is not within an adjustable range, "ERR" returns. (Refer to "Response code format".) Any numerical value can replace the "x" on the table. 0 0009 a30 100 0055 When "?" is input for some commands, the present setting value responds. ? ???? 53