Sharp AQUOS LC-20SD5E Руководство по эксплуатации - Страница 29

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Appendix

PC compatibility chart

Horizontal

Resolution

Frequency

VGA

640 × 480

31.5 kHz

SVGA*

800 × 600

37.9 kHz

* We recommend that the output setting from the PC

be set to VGA as SVGA will produce less than optimal

viewing quality.

VGA and SVGA are registered trademarks of

International Business Machines Co., Inc.

NOTE

•

This TV has only limited PC compatibility, correct operation

can only be guaranteed if the video card conforms exactly

to the VESA 60Hz standard. Any variations from this

standard will result in picture distortions.

RS-232C port specifications

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 a 9 pin D-sub/MINI-DIN (optional: AN-A1RS)

for the connections.

NOTE

•

This operation system should be used by a person who

is accustomed to using PCs.

9 pin D-sub/MINI-DIN

RS-232C serial control cable

(cross type, commercially available)

Communication conditions

Set the RS-232C communications settings on the PC

to match the TV's communications conditions.

The TV'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

Vertical

VESA

Frequency

Standard

60 Hz



60 Hz



conversion cable

(optional: AN-A1RS)

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 + CR

C1 C2 C3 C4 P1 P2 P3

Command 4-digits Parameter 4-digits Return code

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

Parameter 4-digits: Parameter 0 – 9, ×, blank, ?

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".)

When "?" is input for some commands,

the present setting value responds.

Response code format

Normal response

Problem response (communication

error or incorrect command)

–

Return code (0DH)

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