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NEC MultiSync LCD4020 User Manual

NEC MultiSync LCD4020
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English-36
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.
* In order to function, the RS-232C OUT terminal can only be connected to another monitor of the same model.
Do not connect to other types of equipment.
To control monitor or multiple monitors that are daisy-chained together please use the control command. Instructions for the
control command can be found on the CD included with the display. The file is called “External_control.pdf”.
1) Interface
This LCD monitor uses RXD, TXD and GND lines for RS-232C control.
2) Control command diagram
Please see file “External_Control.pdf” on the CD-ROM.
PROTOCOL RS-232C
BAUD RATE 9600 [bps]
DATA LENGTH 8 [bits]
PARITY BIT NONE
STOP BIT 1 [bit]
FLOW CONTROL NONE
RS-232C Cable
PC
(Out)
RS-232C Cable
RS-232C (OUT)
MultiSync
RS-232C (IN)RS-232C (OUT)RS-232C (IN)
IN OUT
MultiSync MultiSync

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NEC MultiSync LCD4020 Specifications

General IconGeneral
Pixel pitch0.648 x 0.648 mm
Response time8 ms
Display diagonal40 \
Display brightness500 cd/m²
Vertical scan range50 - 85 Hz
Horizontal scan range31.5 - 91.1 kHz
Display number of colors16.78 million colors
Aspect ratio16:9
Display sRGBYes
Built-in cameraNo
Headphone connectivity3.5 mm
DVI-D ports quantity1
Product colorBlack
Product designDigital signage flat panel
Panel mounting interface600 x 200 mm
Power consumption (typical)300 W
Operating temperature (T-T)5 - 40 °C
Operating relative humidity (H-H)20 - 80 %
CertificationCE; TÜV GS; C-tick; FCC Class B; UL/C-UL or CSA; CCC; PSB; VCCI; RoHS
Cables includedAC, VGA
Weight and Dimensions IconWeight and Dimensions
Depth140 mm
Height532 mm
Weight29400 g
Depth (with stand)330 mm
Width (with stand)920 mm
Height (with stand)567 mm
Weight (with stand)31100 g

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