Rs-232C Port Specifications - Sharp AQUOS LC-32GA4E Operation Manual

Appendix

RS-232C port specifications

PC Control of the System
• When a program is set, the display 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 supplied 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 display's communications conditions. The
display's communications settings are as follows:
Baud rate: 9,600 bps
8 bits
Data length:
None
Parity bit:
1 bit
Stop bit:
Flow control: None
Communication procedure
Send the control commands from the PC via the RS-232C connector.
The Display 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
Command 4-digits
Parameter
Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that four values are input for the
parameter.)
When the input parameter is not within an adjustable range, "ERR" returns. (Refer to "Response code format".)
0
0 0
– 3
1 0
0 0
When "?" is input for some commands, the present setting value responds.
?
? ?
54
P4
Parameter 4-digits
0 9
0
0
5 5
? ?
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0 – 9, x, blank, ?
Return code