Using the LCD with a Personal Computer –continued

3)Control sequence

(1)The command from a personal computer to the LCD monitor will be sent in 400ms.

(2)The LCD monitor will send a return command 400ms* after it has received an encode. If the command isn't received correctly, the LCD monitor will not send the return command.

(3)The personal computer checks the command and confirms if the command which has been sent has been executed or not.

(4)This LCD monitor sends various codes other than return code. When having a control sequence by RS-232C, reject other codes from personal computers side.

*: The sending time of return command may delay depending on the condition (during changing of the input signal, etc.).

[Example] Turn the power ON ( ' ' is for ASCII code)

Sending commands

Status code from LCD

Meaning

from the PC etc.

monitor

 

30 30 21 0D

 

Command for POWER ON

'0' '0' '!' ' '

 

 

 

 

30 30 21 0D

Command received

 

'0' '0' '!' ' '

(Command echo back)

4) Operation commands

The operation commands execute the basic operation setting of this LCD monitor.

It may not operate when changing the signal:

Operation

ASCII

HEX

POWER ON

!

21h

POWER OFF

"

22h

INPUT RGB 1

_r1

5Fh 72h 31h

INPUT RGB 2

_r2

5Fh 72h 32h

INPUT RGB 3

_r3

5Fh 72h 33h

INPUT VIDEO

_v1

5Fh 76h 31h

INPUT DVD/HD

_v2

5Fh 76h 32h

POWER OFF command should be operated over1 minute after the power is turned on.

POWER ON command should be operated over 1 minute after the power is turned off.

NOTE: For complete information please see file “External_Control_LCD4000e.pdf” on the CD-ROM.

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NEC LCD4000e manual Using the LCD with a Personal Computer, Input DVD/HD

LCD4000e specifications

The NEC LCD4000e is a high-performance large-format LCD display that is designed to meet the needs of various professional environments, including corporate, educational, and retail settings. This model stands out for its impressive features, advanced technologies, and robust characteristics, making it an ideal choice for image-rich content applications.

One of the primary features of the NEC LCD4000e is its impressive display size. The 40-inch screen provides a wide viewing area, which is crucial for delivering impactful presentations and dynamic visual content. The screen resolution of 1920x1080 pixels ensures that images and videos are rendered with excellent clarity and detail, enhancing the viewer's experience.

The LCD4000e utilizes advanced LED backlight technology, which not only improves overall brightness but also offers energy efficiency compared to traditional backlit displays. This technology minimizes energy consumption, making the display an eco-friendly option without compromising on performance. The LED backlighting also contributes to rich color reproduction, providing deeper blacks and vibrant colors essential for effective visual communication.

Another significant highlight of the NEC LCD4000e is its user-friendly design. The display features integrated wall-mounting capabilities, which allows for versatile installation options. Whether mounted on a wall or displayed in a professional setting, the LCD4000e's slim profile and modern aesthetics fit seamlessly into any environment.

Connectivity is also a strong suit for the LCD4000e, supporting various inputs, including HDMI, DisplayPort, and VGA. This wide range of connections ensures compatibility with a variety of devices, enabling users to effortlessly switch between different content sources. The built-in speakers further enhance the multimedia experience, facilitating audio playback without the need for external speakers.

The NEC LCD4000e is engineered for 24/7 operation, making it suitable for environments that demand reliability and continuous output. Its durability is complemented by a robust design, which guarantees longevity and consistent performance even under heavy usage.

In summary, the NEC LCD4000e is a feature-rich large-format display that combines size, resolution, and advanced technologies to create a powerful visual tool for any professional setting. With its impressive visual quality, energy-efficient operation, and versatile connectivity options, this display is well-equipped to meet the demands of a variety of applications, ensuring that it remains a valuable asset in any organization.