NEC MT820, MT1020 user manual Troubleshooting, Status Light Messages, Condition Status

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T R O U B L E S H O O T I N G

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This section helps you resolve problems you may encounter while setting up or using your MultiSync MT1020/MT820 LCD Projector.

Status Light Messages

Condition

 

Status

 

 

OFF

Normal

 

 

On Continually

The projector lamp has exceeded 2000 hours of operation and

 

should be replaced.

 

 

Blinking very rapidly

Either the lamp cover or filter panel is not fastened properly. Check

(On and off in a cycle of 1 sec.)

each and reattach them if necessary.

 

 

Blinking rapidly

The projector is overheated.

(On and off in a cycle of 4 sec.)

• If there is insufficient ventilation around the projector or if the

 

 

room where you're presenting is particularly warm, move the

 

 

projector to a cooler location.

 

Check the filter and clean it if necessary.

 

If the problem persists, contact your NEC dealer for service.

 

 

 

Blinking Slowly

The cooling fan has stopped. Contact your NEC dealer for service.

(On and off in a cycle of 8 sec.)

 

 

 

Blinking very slowly

The lamp is not turned on.

(On and off in a cycle of 12 sec.)

• The projector was turned off and back on too quickly. Turn

 

off the projector, wait one minute, then turn the projector

 

back on. Or the lamp is burnt.

 

 

 

TROUBLE SHOOTING

 

70

 

 

 

 

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Contents MultiSync MT Tmtm Precautions P O R T a N T I N F O R M a T I O NInstallation Power SupplyCleaning Lamp ReplacementDOC avis de conformation Importantes précautions de sécuritéRemplacement de la lampe NettoyageAlimentation Précautions pour éviter un incendie ou une électrocutionNEC MultiSync LCD Projector Products M I T E D W a R R a N T YB L E O F C O N T E N T S IntroductionFeatures you’ll enjoy include T R O D U C T I O NHow Do You Get Started? What’s In The Box?Front Features Rear Features Right Side Features Left Side FeaturesTop Features Terminal Panel Features RGB Input 1 Connector D-Sub 15 pin RGB Input 2 Connector Mini D-Sub 15 pinRGB Monitor Output Connector Mini D-Sub 15 pin RGB 1 Audio Input Mini JackRemote Control Features Remote Control Precautions Installation Setting Up Your MultiSync MT1020/MT820 LCD ProjectorUsing a Tabletop Or Cart Ceiling Installation Reflecting The ImageRear Screen Projection Wiring Diagram Document CameraVCR or LaserDisk Player IBM VGA or Compatibles Macintosh or CompatiblesConnecting Your PC Or Macintosh Computer Windows MacintoshConnecting Your Document Camera Connecting Your VCR Or Laser Disc PlayerConnecting 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 Menu Descriptions & Functions Source MenuVideo Image Adjustment Menu VolumeImage Mode BrightnessPicture Adjustment when Auto Picture is off Fine Picture when Auto Picture is offHorizontal Position Vertical PositionPower Menu Power ManagementLamp Usage Auto StartSettings Menu ResetCustom Memory Image LoopI N T E N a N C E Replacing The LampStep To replace the lamp StepCleaning Or Replacing The Filter Remote Control Battery InstallationEtape 1A Etape 1B Pour remplacer la lampe EtapeNettoyage ou remplacement du filtre Installation des piles de la télécommandeTroubleshooting Status Light MessagesCondition Status Common Problems & Solutions Problem Check These ItemsSpecification S OpticalElectrical MechanicalCabinet Dimensions Sub Pin Assignments PC 15-Pin mini D-Sub Macintosh 15-Pin D-SubTiming Chart PC Control Command Reference Command Codes Function Code Data Description1DH Cable Connection Communication Protocol To RxD of PC

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.