NEC MT1020, MT820 user manual Common Problems & Solutions, Problem Check These Items

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Common Problems & Solutions

 

Problem

Check These Items

 

 

 

 

 

 

Does not turn on

• Check that the cord is plugged in and that the power switch on the back panel is on.

 

 

 

• Ensure that the air filter and filter panel are installed correctly. (See page 64.)

 

 

 

• Check the status light to see if the projector has overheated or the lamp usage exceeds 2100 hours.

 

 

No picture

• Use the menu icons to select your source (Video, S-Video, RGB1 or 2). (See pages 51 and 52.)

 

 

 

• Ensure your cables are connected properly.

 

 

 

• Use icons to adjust the brightness and contrast.

 

 

 

• Remove the lens cap.

 

 

 

• Reset the settings or adjustments to factory preset levels using the RESET icon on the Settings Menu.

 

 

Image isn’t square to the screen

• Reposition the projector to improve its angle to the screen.

 

 

 

 

 

 

Picture is blurred

• Adjust the focus. (See page 20 or 28.)

 

 

 

• Reposition the projector to improve its angle to the screen.

 

 

 

• Ensure that the distance between the projector and screen is within the adjustment range of the lens.

 

 

Image is scrolling vertically,

• Use icons to select the source you want to input.

 

 

horizontally or both

• Make sure the recalled Custom Memory supports the current input signal.

 

 

Remote control does not work

• Install new batteries. (See page 64.)

 

 

 

• Make sure there are no obstacles between you and the projector.

 

 

 

• Stand within 23 feet (7m) of the projector.

 

 

Status indicator is lit or

See the Status Light message chart on pages 69 and 70.

 

 

blinking

 

 

 

Cross color in RGB mode

If “Auto Picture” is off, turn it on. If “Auto Picture” is on, turn it off and balance the image with the Picture Adjustment icon and

 

 

 

Fine Picture Adjustment icon.

 

 

 

 

 

To Contact Your NEC Service Representative, Call 1-800-836-0655

This section explains conditions that you will encounter when operating your MT1020 while displaying an SXGA (1280×1024) image.

When a menu or message is displayed while an SXGA image is projected, several lines of information will be lost.

When the "LAMP USAGE 2000 HOURS" message appears, several lines of information will be lost.

The "LAMP USAGE 2000 HOURS" message will not appear when the freeze button is activated.

SXGA images inherently display a 5 to 4 ratio, resulting in an image that appears to be smaller and more square than the 4 to 3 format commonly displayed.

 

TROUBLE SHOOTING

 

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Contents MultiSync MT Tmtm P O R T a N T I N F O R M a T I O N PrecautionsPower Supply InstallationCleaning Lamp ReplacementImportantes précautions de sécurité DOC avis de conformationNettoyage Remplacement de la lampeAlimentation Précautions pour éviter un incendie ou une électrocutionM I T E D W a R R a N T Y NEC MultiSync LCD Projector ProductsIntroduction B L E O F C O N T E N T ST R O D U C T I O N Features you’ll enjoy includeWhat’s In The Box? How Do You Get Started?Right Side Features Left Side Features Front Features Rear FeaturesTop Features Terminal Panel Features RGB Input 2 Connector Mini D-Sub 15 pin RGB Input 1 Connector D-Sub 15 pinRGB Monitor Output Connector Mini D-Sub 15 pin RGB 1 Audio Input Mini JackRemote Control Features Remote Control Precautions Setting Up Your MultiSync MT1020/MT820 LCD Projector InstallationUsing a Tabletop Or Cart Reflecting The Image Ceiling InstallationRear Screen Projection Document Camera Wiring DiagramVCR or LaserDisk Player IBM VGA or Compatibles Macintosh or CompatiblesConnecting Your PC Or Macintosh Computer Macintosh WindowsConnecting Your VCR Or Laser Disc Player Connecting Your Document CameraConnecting An External Monitor Connecting Your Remote Mouse Receiver Remote Mouse Receiver as a mouse for your computer E R a T I O N Using The Menus Source Menu Menu Descriptions & FunctionsVideo Volume Image Adjustment MenuImage Mode BrightnessFine Picture when Auto Picture is off Picture Adjustment when Auto Picture is offHorizontal Position Vertical PositionPower Management Power MenuLamp Usage Auto StartReset Settings MenuCustom Memory Image LoopReplacing The Lamp I N T E N a N C EStep To replace the lamp StepRemote Control Battery Installation Cleaning Or Replacing The FilterEtape Etape 1A Etape 1B Pour remplacer la lampeInstallation des piles de la télécommande Nettoyage ou remplacement du filtreStatus Light Messages TroubleshootingCondition Status Problem Check These Items Common Problems & SolutionsOptical Specification SElectrical MechanicalCabinet Dimensions PC 15-Pin mini D-Sub Macintosh 15-Pin D-Sub Sub Pin AssignmentsTiming Chart Function Code Data Description PC Control Command Reference Command Codes1DH To RxD of PC Cable Connection Communication Protocol

MT1020, MT820 specifications

The NEC MT820 and MT1020 are high-performance projectors designed to meet the needs of various presentation environments. Renowned for their reliability and image quality, these projectors are ideal for educational institutions, corporate settings, and public venues.

One of the standout features of both models is their impressive brightness. The MT820 boasts a brightness of up to 2700 ANSI lumens, while the MT1020 offers an even higher brightness level of 3000 ANSI lumens. This makes them suitable for use in well-lit rooms where clear visibility is critical. The high brightness levels ensure that images and presentations remain vibrant and easy to read, even in challenging lighting conditions.

In terms of resolution, the MT820 and MT1020 support XGA (1024x768) native resolution, allowing for detailed and sharp visuals. Additionally, both projectors can handle various input sources, including VGA, HDMI, and composite video, providing excellent versatility for connecting to different devices such as laptops, DVD players, and multimedia players.

The NEC MT820 and MT1020 utilize DLP (Digital Light Processing) technology, which enhances their performance by providing better color accuracy and improved longevity when compared to other projection technologies. This means that users can expect high-quality images that remain consistent over time without the risk of color degradation.

Portability is another key characteristic of these projectors. Weighing in at around 4.5 kg (approximately 10 lbs), the MT820 and MT1020 are designed for ease of transport, making them suitable for on-the-go presentations. Their compact size facilitates quick setup and dismantle, making them ideal candidates for traveling professionals and educators who need to move from one location to another.

For ease of use, both models come equipped with a user-friendly interface, making system navigation intuitive for first-time users as well as seasoned professionals. The projectors also feature built-in speakers, providing decent audio output without the need for external sound systems, which is a great advantage in smaller presentation settings.

In summary, the NEC MT820 and MT1020 projectors stand out due to their excellent brightness levels, reliable DLP technology, versatile input options, portability, and user-friendly features. These characteristics make them suitable for diverse presentation environments, ensuring that audiences receive clear, high-quality visuals regardless of the setting. Whether used in a classroom or a business meeting, these projectors provide a reliable solution for all projection needs.
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