Controlling The Lcd Monitor Via Rs-232C Remote Control - NEC MultiSync LCD4010 User Manual

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
PC
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.
* RS-232C OUT terminal can connect MultiSync LCD4010 / MultiSync LCD4610 only. Do not connect other equipment.
The following control sequence is used for a single MultiSync LCD4010 / MultiSync LCD4610. To control multiple MultiSync
LCD4010 / MultiSync LCD4610 monitors that are daisy-chained together please use the extended control command. Instructions for
the extended control command can be found on the CD included with the display. The file is called "External_control_LCD4X10.pdf".
When using the following control commands, all of the daisy-chained monitors can be controlled at the same time from one monitor.
Reply and status commands, however, will only pertain to the primary monitor, not secondary monitors.
1) Interface
PROTOCOL
BAUD RATE
DATA LENGTH
PARITY BIT
STOP BIT
FLOW CONTROL
This LCD monitor uses RXD, TXD and GND lines for RS-232C control.
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
HEX 30h 30h
ASCII '0' '0'
[Address code]
[Function code]
[Data code]
[End code]
to RS-232C
"IN" terminal
RS-232C
9600 [bps]
8 [bits]
NONE
1 [bits]
NONE
Function code Data code
Function
Function
30h 30h (ASCII code, '0' '0'), fixed.
A code of each fixed control move.
A code of each fixed control data (number) and not always indicated.
0Dh (In ASCII code, '
from RS-232C
"OUT" terminal
End code
Data 0Dh
Data
') fixed.
English-30
to RS-232C
"IN" terminal
RS-232C Cable
Next MultiSync LCD4010 /
MultiSync LCD4610 RS-232C
from RS-232C
"OUT" terminal
"IN" terminal