Panasonic PT-L735U User Manual download pdf (Page 64)

64-ENGLISH

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

Basic format

The data sent from the computer to

the projector is transmitted in the

format shown below.

Communications settings

Signal level RS-232C

AsynchronousSync. method

Baud rate

Parity

9 600 bps

None

Character length 8 bits

Stop bit 1 bit

X parameter None

S parameter None

STX Command : Parameter ETX

Start byte

(02h)

3 bytes

1 byte

1 byte–5 bytes

End byte

(03h)

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.

If an incorrect command is sent from

the personal computer, the “ER401”

command will be sent from the

projector to the personal computer.

NOTE:

B Use a proper communication

cable which is suitable for the

personal computer to connect

the serial connector and the

personal computer.

D-Sub9p (male)

Communication cable

SERIAL(female)

Computer

D-SUB 9-pin connector seen from

outside

No.

Signal

name

Contents

TXD Transmitted data

RXD Received data

GND

(

DSR

)

CTS

Connected internally

RTS

Pin layout and signal names

for SERIAL connector

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Panasonic PT-L735U User Manual Page 64

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