MITSUBISHI ELECTRIC LDT46IV - Manual (Page 33)

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