Sharp LC-32M400M-BK, Service Manual, Page: 8 / 76

LC-32M400M-BK/WH/RD
2 – 3
• When a programme is set, the TV can be controlled from the PC using the RS-232C terminal.
The input signal (PC/video) 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 Din/D-sub RS-232C for the
connections.
NOTE
•
This operation system should be used by a person who is accustomed to using PCs.
Communication conditions
Set the RS-232C communications settings on the PC to match the communications conditions of
the TV. The communications settings of the TV 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
C1 C2 C3 C4 P1 P2 P3 P4
Parameter
Input the parameter values, aligning left, and fill with space(s) for the remainder. (Be sure that four
values are input for the parameter.)
When the input parameter is not correct, "ERR" returns. (Refer to "Response code format".)
a 3 0
0 0 0 9
0
Response code format
O K E R R
Eight ASCII codese CR
Command 4-digits Parameter 4-digits Return code
Command 4-digits: Command. The text of four
characters.
Parameter 4-digits: Parameter 0 - 9, space, ?
Normal response
Return code (0DH)
Problem response (communication error or
incorrect command)
Return code (0DH)
PC Control of the TV