Mitsubishi Electronics sl2u Control projector by using a personal computer, Interface, Connection

LCD Projector

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

RS-232CS-VIDEO

L MAIN

COMPUTER IN

USB R

VIDEO

AC IN

AUDIO IN VIDEO IN

COMPUTER OUT

to RS-232C terminal

RS-232C cable

Mini DIN 8P D-SUB 9P

to Com1 Comport

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.

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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