Mitsubishi Electronics LVP-X400BU Control projector by using a personal computer, Interface

LCD Projector

LVP-X390U

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 ON or OFF

•Changing input signal

•Menu setting

Connection

Projector + IBM PC or IBM PC compatibles Projector + Macintosh

RS-232C cable

to modem port or printer port

to RS-232C	RS-232C adaptor
	for Macintosh (optional) RS-232C cable	to RS-232C
terminal		terminal

to Com1 Comport

D-SUB 9P

REMOTE

MAIN

		USB
COMPUTER 1 IN	RS-232C							USB
AUDIO 1 IN	VIDEO 1	VIDEO 2				COMPUTER 1 IN	RS-232C
	IN	IN
		Mini DIN 8P	D-SUB 9P	D-SUB 9P	REMOTE	AUDIO 1 IN	VIDEO 1	VIDEO 2
							IN	IN
COMPUTER 2 IN	S-VIDEO
AUDIO 2 IN		VIDEO				COMPUTER 2 IN	S-VIDEO
					MAIN
						AUDIO 2 IN	VIDEO

O I

AC IN

COMPUTER OUT	L	O	I
AUDIO OUT				COMPUTER OUT
	AUDIO		AC IN	AUDIO OUT	L
	R				AUDIO
					R

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 [bits]
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.

1