Mitsubishi S490 User Manual download pdf (Page 32)

Control projector by using a personal computer

1) Interface

This projector can be controlled by connecting a personal computer with RS-232C terminal.

Functions can be controlled by a personal computer:

• Turn the ON or OFF

• Changing input signals

• Menu setting

Connection

to Com1

Comport

to RS-232C

terminal

RS-232C cable

D-SUB 9P

Mini DIN 8P

REMOTE

AUDIO 2 INCOMPUTER 2 IN

AUDIO OUTCOMPUTER OUT

AUDIO 1 INCOMPUTER 1 IN

DIGITAL

ANALOG

INPUT SELECT

MAIN

AC IN

S-VIDEO

VIDEO

AUDIO

VIDEO 1 IN VIDEO 2 IN

USB

RS-232C

Important:

• Make sure that your computer and projector are turned off before connection.

• Turn on the projector after the computer is started up.

(If you do not follow this order, the Comport may not function.)

• Adapters may be necessary depending on the PC connected to this projector. Contact your dealer for details.

PROTOCOL RS-232C

BAUD RATE 9600 [bps]

DATA LENGTH 8 [bits]

PARITY BIT NONE

STOP BIT 1 [bit]

FLOW CONTROL NONE

This projector uses RXD, TXD and GND lines for RS-232C control.

For RS-232C cable,the reverse type cable should be used.

2) Control command diagram

The command is structured by the address code, function code, data code and end code. The length of the

command is different by each function.

Address code Function code Data code End code

HEX 30h 30h Function Data 0Dh

ASCII '0' '0' Function Data

[Address code] 30h 30h (In ASCII code, '0' '0') fixed.

[Function code] A code of each fixed control move.

[Data code] A code of each fixed control data (number) and not always indicated.

[End code] 0Dh (In ASCII code, ' ') fixed.

LCD Projector

X500U / X490U / S490U

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Mitsubishi S490 User Manual Page 32

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