Panasonic PT-L735NTE 사용 설명서 - 페이지 33

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Using the SERIAL connector

The serial connector which is on the side connector panel of the projector

conforms to the RS-232C interface specification, so that the projector can be

controlled by a personal computer which is connected to this connector.

Connection

Computer

SERIAL(female)

D-Sub9p (male)

Communication cable

NOTE:

B Use a proper communication

cable which is suitable for the

personal computer to connect

the serial connector and the

personal computer.

Pin layout and signal names

for SERIAL connector

D-SUB 9-pin connector seen from

outside

Signal

Contents

No.

name

TXD Transmitted data

RXD Received data

GND

(

DSR

)

CTS Connected internally

RTS

64-E

NGLISH

Communications settings

Signal level

RS-232C

Sync. method

Asynchronous

Baud rate

9 600 bps

Parity

None

Character length 8 bits

Stop bit

1 bit

X parameter

None

S parameter

None

Basic format

The data sent from the computer to

the projector is transmitted in the

format shown below.

STX Command : Parameter ETX

Start byte

1 byte

End byte

(02h)

(03h)

3 bytes

1 byte–5 bytes

NOTE:

B If sending multiple commands,

check that a response has been

received from the projector for

one command before sending

the next command.

B When a command which does

not require parameters is sent,

the colon (:) is not required.

B If an incorrect command is sent from

the personal computer, the "ER401"

command will be sent from the

projector to the personal computer.

Control commands

The commands which the personal computer can use to control the projector

are shown in the following table.

Control

Command

Contents

In standby mode, all commands other than

the PON command are ignored.

PON

Power ON

B The PON command is ignored during

lamp ON control.

B If a PON command is received while the

cooling fan is operating after the lamp

has switched off, the lamp is not turned

POF

Power OFF

back on again straight away, in order to

protect the lamp.

Parameter

AVL

Volume

000–063(Adjustment value 0–63)

Parameter

Input signal

VID=VIDEO

IIS

selection

RG1=RGB1(YP

NWP=NETWORK

Parameter

0 = Standby

Lamp ON

Q$S

1 = Lamp ON control active

condition query

2 = Lamp ON

3 = Lamp OFF control active

Operation will be switched between ON and

OFF each time the command is sent. Do

OSH

Shutter function

not switch operation ON and OFF after only

short periods of time.

Cable specifications

(When connected to a personal computer)

At the projector

Remarks

SVD=S-VIDEO

1) RG2=RGB2(YP

SDC=SDCARD

At the computer

(DTE specifications)

-65

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