Problems and Solutions

Problem

Symptom

Solution

Monitor malfunction

Unable to synchronize display.

1. Adjust the monitor’s synchronization

 

 

controls.

 

 

2. Check that the monitor’s resolution

 

 

matches the video setting or the video

 

 

driver used (see Section 2).

 

 

3. Check that the utility is not selecting a

 

 

refresh rate/resolution that is not supported

 

 

by the monitor.

 

 

4. Check that the driver used matches the

 

 

capabilities of the built-in video controller

 

 

and DRAM.

 

Wavy display.

1. Check that the computer and monitor

 

 

are not near motors or electric fields.

 

Blank display.

1. Press any key or move the mouse to

 

 

ensure power management has not blanked

 

 

the display.

 

 

2. Check that the monitor power ON/OFF

 

 

switch is ON.

 

 

3. Check that the monitor cable is attached

 

 

to the video connector at the back of the

 

 

system.

 

 

4. Check cable connections between the

 

 

AC power supply and monitor.

 

 

5. Adjust brightness and contrast controls

 

 

on the monitor.

 

 

6. Check cable connections between the

 

 

monitor connector and the graphics board.

 

 

7. Replace graphics board.

 

 

8. Replace monitor.

CD-ROM drive

System power not on.

1. Turn system power on.

malfunction

 

 

 

Disc tray does not open.

1. System power not on. Turn system

 

 

power on.

 

 

2. System power failed. Insert the end of a

 

 

straightened paper clip into the emergency

 

 

eject hole, then gently press inward until the

 

 

tray opens.

 

 

 

Troubleshooting 7-9

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NEC VT 300i manual Display

VT 300i specifications

The NEC VT 300i is a versatile and compact LCD projector designed for educational environments and business presentations. With its impressive combination of features and user-friendly design, the VT 300i has made a mark as a reliable choice for professionals and educators alike.

One of the standout features of the VT 300i is its brightness. With a robust output of up to 3,000 ANSI lumens, the projector ensures that images are clear and vivid, even in well-lit rooms. This brightness level allows users to deliver impactful presentations without the concern of image washout due to ambient light conditions. Coupled with a high contrast ratio of 400:1, users can expect sharp, detailed images that enhance the overall viewing experience.

The VT 300i showcases advanced DLP projection technology, which is known for producing sharp images with excellent color accuracy. The inclusion of NEC’s proprietary Intelligent Auto Setup feature allows the projector to adjust to various input sources automatically, making setup quick and hassle-free. This ensures that even those who may not be tech-savvy can operate the device with ease.

Another notable characteristic is the VT 300i’s portability. Weighing in at a little over 5 pounds and featuring a compact design, the projector is easy to transport between different locations. This portability is further enhanced by its integrated carrying handle and durable casing, making it suitable for frequent travel.

The connectivity options of the VT 300i also cater to modern technology needs. It includes multiple input terminals, such as HDMI, VGA, and USB, enabling seamless integration with various devices like laptops, tablets, and other media players. Additionally, it supports both wired and wireless presentations, making it versatile for different presentation settings.

User-friendliness extends to the maintenance aspect as well. The VT 300i incorporates an easily accessible filter and lamp compartment, simplifying the process of replacements and ensuring minimal downtime. With a lamp life of up to 5,000 hours in eco mode, it offers longevity and cost-effectiveness.

In conclusion, the NEC VT 300i stands out with its combination of brightness, advanced projection technology, and user-friendly features. Whether in an educational setting or a business meeting, it offers reliability and quality, making it a popular choice for users seeking a competent and portable projector.