Mitsubishi Electronics MLM400 user manual Using the LCD with a Personal ComputerPC

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Using the LCD with a Personal Computer(PC)

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

Functions that can be controlled by a personal computer are:

•Power ON or OFF

•Switching between input signals

Connection

LCD Monitor + PC

PC

MLM300

to RS-232C terminal

RS-232C Cable

Note: 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 LCD monitor 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 for 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.

 

 

3)Control sequence

(1)The command from a personal computer to the LCD monitor will be sent in 400ms.

(2)The LCD monitor will send a return command 400ms* after it has received an encode. If the command isn't received correctly, the LCD monitor will not send the return command.

(3)The personal computer checks the command and confirms if the command which has been sent has been executed or not.

(4)This LCD monitor sends various codes other than return code. When having a control sequence by RS- 232C, reject other codes from personal computers side.

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Contents MLM300 Table of Contents Important Information Canadian Department of Communications Compliance StatementSafety Precautions and Maintenance Recommended UseErgonomics Contents Lay the screen face down Ambient temperature should be less than 40 deg CAttaching LCD Options To avoid falling downControl Panel Switches the audio mute ON/OFFRocker Switch for the main power on/off Acts as SET button with on-screen menuParts Name and Functions To output the audio signal from the Audio in 3 jackTo output the audio signal from Audio 1, 2 or 3 jack Terminal PanelWireless Remote Control RGB2DVD/HD Video Other than to install the batteries, do not open the remote Operating Range for the Remote ControlHandling the remote control Avoid exposure to heat and steam 30o 30oSetup Procedure Before making connections Wiring DiagramConnections For PC Audio CableConnecting the LCD Monitor to a PC To audio outputConnecting to a Macintosh Computer Connecting to a Computer with a Digital Output To DVI outputConnecting to a VCR or Laser Disc Player RCAConnecting to a DVD Player Connecting to a Stereo Amplifier Pressing the power button Using the remote control Pressing the Main Power SwitchBasic Operation On-Screen Menu Controls -Computer On-screen Menu Controls Auto Setup Audio ResetConfiguration Auto AdjustAuto Brightness Power SaveOFF Timer LanguageOn-screen Menu Controls -DVD & HD BassConfiguration Reset Noise Reduction On-screen Menu Controls -AV InputTint TrebleRestore to factory defaults Selecting PIP Reset allows you to reset all PIPSettings to factory default position OFF Timer menu, you can select howColor System Using the LCD with a Personal ComputerPC Using the LCD with a Personal Computer Features Troubleshooting References Specifications Input Signal PC Input VideoLimited Warranty Mitsubishi MLM300 MLM300 L30HV201
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