Sharp LC 30HV2U RS-232C port specifications, Computer Control of the Display, Command format

Appendix

RS-232C port specifications

Computer Control of the Display

•When a program is set, the Display can be controlled from the computer using the RS-232C terminal.

The input signal (computer/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.

A

•This operation system should be used by a person who is accustomed to using computers.

Communication conditions

Set the RS-232C communications settings on the computer to match the display’s communications conditions. The display’s communications 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 computer via the RS-232C connector.

The display operates according to the received command and sends a response message to the computer. Do not send multiple commands at the same time. Wait until the computer receives the OK response before sending the next command.

Command format

Eight ASCII codes eCR

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 four values are input for the parameter.)

When the input parameter is not within an adjustable range, “ERR” returns. (Refer to “Response code format”.) No problem to input any numerical value for “x” on the table.

0

0	0	0	9
￿	3	0
1	0	0
0	0	5	5

When “?” is input for some commands, the present setting value responds.

?

?

?

?

?

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