Mitsubishi Electronics X70B user manual Control projector by using a personal computer, Interface

LCD Projector

LVP-X70BU

Control projector by using a personal computer

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	Projector + Macintosh
Projector + IBM PC or IBM PC compatibles

		MAIN	I
COMPUTER OUT	COMPUTER IN	S-VIDEO	O
USB RS-232C	VIDEO IN
		VIDEO

AUDIO L

(MONO)

AUDIO R

AC IN

to RS-232C terminal

to Com1

Comport

RS-232C cable

Mini DIN 8P D-SUB 9P

		MAIN	I
COMPUTER OUT	COMPUTER IN	S-VIDEO	O
USB RS-232C
	VIDEO IN	VIDEO

AUDIO L

(MONO)

AUDIO R

AC IN

to RS-232C terminal

to modem port or printer port

RS-232C cable		RS-232C adaptor
		for Macintosh (optional)
Mini DIN 8P	D-SUB 9P	D-SUB 9P	Mini DIN 8P

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.)

•If your PC (IBM or IBM compatible) is equipped only with a 25-pin serial port connector, a 25-pin serial port adapter is required. Contact your dealer for details.

1) Interface

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.

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