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

MultiSync

 

MultiSync

 

 

 

 

 

 

PC

IN

OUT

RS-232C (IN)

RS-232C (OUT)

RS-232C (IN)

(Out)

 

 

 

 

 

RS-232C Cable

RS-232C Cable

RS-232C (OUT)

MultiSync

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

PROTOCOL

RS-232C

BAUD RATE

9600 [bps]

DATA LENGTH

8 [bits]

 

 

PARITY BIT

NONE

 

 

STOP BIT

1 [bit]

FLOW CONTROL

NONE

 

 

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.

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NEC LCD4020, LCD5220 user manual Connection, English-36

LCD5220, LCD4020 specifications

The NEC LCD4020 and LCD5220 are high-performance LCD monitors designed for various professional applications, including broadcasting, medical imaging, and graphic design. Both models are heralded for their exceptional image quality, reliable performance, and advanced technologies, making them popular choices in demanding environments.

The NEC LCD4020 is a 40-inch display that features a native resolution of 1920x1200 pixels, offering a 16:10 aspect ratio. It utilizes advanced TFT-LCD technology, delivering vibrant colors and sharp images with a wide viewing angle. One of the standout features of the LCD4020 is its high brightness level, which typically reaches up to 700cd/m2, ensuring clear visibility even in bright lighting conditions. The monitor supports various input signals, including DVI, HDMI, and VGA, allowing for versatile connectivity options. Additionally, it incorporates NEC's special ColorComp technology, which ensures accuracy in color reproduction, making it ideal for graphic design and color-critical applications.

On the other hand, the NEC LCD5220 boasts a larger 52-inch screen size with a native resolution of 1920x1080, or Full HD. The contrast ratio of this model is impressive, allowing for deeper blacks and more vibrant colors. The LCD5220 is equipped with an advanced backlight system that enhances luminance and color fidelity, essential for professional media work. This display also comes with an integrated video wall capability, enabling multiple LCD5220 units to be combined seamlessly for a larger viewing area, which is highly sought after in command centers and event spaces.

Both models feature NEC's innovative Ambix technology, which allows for simultaneous input from multiple sources without the need for complex setups. This feature is crucial in environments where multiple data streams need to be displayed concurrently. Moreover, they are designed with durability in mind, featuring robust construction that can withstand long hours of operation, making them suitable for 24/7 usage.

In summary, the NEC LCD4020 and LCD5220 are exemplars of high-quality display technology, offering users advanced features, extensive connectivity, and impressive image quality. Whether for medical imaging, broadcast, or graphic design, these monitors provide the reliability and performance professionals need to meet their demanding requirements.