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LCD Projector

Serial connector

The serial connector complies with RS-232C. To control the projector from a personal computer, com-

mands must be input through communication software, based on the format and satisfying the commu-

nication conditions shown below.

Pin assignments and signal names

D-sub 9-pin (female)

Serial input

Communication conditions (factory setting)

Signal level

Synchronization method

Baud rate

Parity

Character length

Stop bit

X parameter

S parameter

Basic format

Transmission from the computer begins with STX, then the ID, command, parameter, and ETX are sent

in this order. Add parameters according to the details of control.

STX

I1 I2

Start

(2 bytes)

(1 byte)

ID 2 characters

(2 bytes)

ID designator:

01 to 06: Projector ID number

ZZ: All units (ID ALL)

CAUTION

• It may not be possible to send or receive commands for about 10 to 60 seconds when the lamp is first turned on. If this occurs, wait for 60 sec-

onds, then try sending or receiving again.

• When sending multiple commands, be sure to wait for at least 0.5 second after receiving a response from the projector before sending the next

command.

• Additional time is sometimes required for response due to processing inside the projector. Set the time-out period for command response to 10

seconds or more.

• When using two or more units, set different IDs for each unit.

As of March 2011

SFL11M005-1

No.

Signal name

Description

–

TXD

Send data

RXD

Receive data

–

GND

Ground

RS-232C-compliant

Start-stop synchronization

9,600 bps

None

8 bits

1 bit

None

;

Semicolon

(1 byte)

Command

(3 bytes)

(Control and/or query commands)

No.

Signal name

–

RTS

CTS

–

P1 P2 ... Pn

Colon

(1 byte)

Parameters

(undefined length)

PT-FW430

Description

Connected internally

ETX

End

(1 byte)

1 0 / 1 4