Mitsubishi Electronics XL1550U manual Interface, PC-controllable functions, Connection

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LCD Projector

XL2550U/XL1550U

Controlling the projector using a personal computer

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

PC-controllable functions:

Turning the power ON or OFF

Changing input signals

Inputting commands by pressing the buttons on the control panel and remote control

Menu setting

Connection

RS-232C cable

SERIAL

 

 

 

 

 

To RS-232C terminal

D-SUB 9-pin

D-SUB 9-pin

Important:

Connect the computer with the projector on a one-to-one basis.

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

Boot up the computer first, and then plug the power cord of the projector. (If you do not follow this instruction, the Com port may not function.)

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

1. Interface

1.1 Pin assignment of SERIAL terminal (D-SUB 9-pin)

 

Pin No.

 

Name

I/O

 

 

1

 

OPEN

 

 

 

2

 

RXD

IN

 

 

3

 

TXD

OUT

 

 

4

 

OPEN

 

 

 

5

 

GND

 

 

 

6

 

OPEN

 

 

 

7

 

OPEN

 

 

 

8

 

OPEN

 

 

 

9

 

OPEN

 

 

1.2 Communications format

 

 

 

 

 

 

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.

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Contents PC-controllable functions InterfaceConnection Pin assignment of Serial terminal D-SUB 9-pinControl sequence Control command diagramAscii Sending out command Awaiting response RS-232C control flowchartMethod of checking state of projector StartReading command diagram Command listVolume +/VOLUMEMUTE, SPLIT, Freeze KeystoneKSH USER-GAMMA Mode Color Enhancer CEU1CExpand Mgnfy Still FRZSTANDARD, 1 LOW Auto Power on Apon Lamp ModeAuto Power OFF Apof Mute Mode00APON1 Password lock commands00CEU1GS2 Pslock