NEC MT 1020G /820G user manual Troubleshooting, Status Light Messages

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

This section helps you resolve problems you may encounter while setting up or using your MultiSync MT1020G/820G 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 (On and off	Either the lamp cover or filter panel is not fastened properly. Check each and
in a cycle of 1 sec.)	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 (On and off in a	The cooling fan has stopped. Contact your NEC dealer for service.
cycle of 8 sec.)

Blinking Very Slowly (On and off in	The lamp is not turned on.
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.

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Contents MultiSync MT 1020G /820G LCD Projector User’s Manual Precautions Cleaning InstallationPower Supply Lamp ReplacementB L E O F C O N T E N T S Features you’ll enjoy include N T R O D U C T I O NHow Do You Get Started? What’s In The Box?Front Features Rear FeaturesRight Side Features Left Side Features Top Features Terminal Panel Features 9RGB Monitor Output Connector Mini D-Sub 15 pin 6RGB Input 1 Connector D-Sub 15 pin7RGB Input 2 Connector Mini D-Sub 15 pin RGB 1 Audio Input Mini JackRemote Control Features Remote Control Precautions Installation Setting Up Your MultiSync MT1020G/820G LCD ProjectorUsing the Supplied Lift Kit Using a Tabletop Or Cart Side viewCeiling Installation Reflecting The ImageRear Screen Projection Wiring Diagram Connecting 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 P E R a T I O N Using The Menus Menu Descriptions & Functions Fine Picture** when Auto Picture is off Image ModePicture Adjustment** when Auto Picture is off Power MenuImage Loop Settings MenuCustom Memory BackgroundReset LanguageTo replace the lamp A I N T E N a N C EReplacing The Lamp StepCleaning Or Replacing The Filter Remote Control Battery InstallationTroubleshooting Status Light MessagesCommon Problems & Solutions Problem Check These ItemsElectrical Specification SOptical MechanicalDimensions Sub Pin Assignments PC 15-Pin mini D-Sub Macintosh 15-Pin D-SubPC 15-Pin mini D-Sub Timing Chart Yes/No Signal Resolution Refresh Dot Rate Hz KHz ClkMHzPC Control Command Reference Command Codes Function Code Data DescriptionPC Control Connector DIN-8P Cable Connection Communication Protocol