beautypg.com

MITSUBISHI ELECTRIC LDT46IV User Manual

Page 33

background image

English-32

Controlling the LCD monitor via RS-232C Remote Control

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

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
BAUD RATE
DATA LENGTH
PARITY BIT
STOP BIT
FLOW CONTROL

RS-232C
9600 [bps]
8 [bits]
NONE
1 [bits]
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.

HEX
ASCII

Address code

30h 30h

‘0’ ‘0’

Function code

Function
Function

Data code

Data
Data

End code

0Dh

[Address code]

30h 30h (In ASCII code, ‘0’ ‘0’) fi xed.

[Function code]

A code of each fi xed control move.

[Data code]

A code of each fi xed control data (number) and not always indicated.

[End code]

0Dh (In ASCII code, ‘ ‘ ) fi xed.

RS-232C Cable

RS-232C Cable

PC

To RS-232C connector

IN (See page 7)

To RS-232C connector

OUT

To RS-232C connector

IN