Sharp AQUOS CD-BA250 Operation Manual - Page 24

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PC Control of the TV

• 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:

Data length:

Parity bit:

Stop bit:

Flow control:

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

Parameter 4-digits Return code

Command 4-digits: Command. The text of four characters.

Parameter 4-digits: Parameter 0 – 9, space, ?

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".)

Response code format

Normal response

Return code (0DH)

Problem response (communication error or incorrect

command)

9,600 bps

8 bits

None

1 bit

None

Return code (0DH)