NEC MT 1020G /820G user manual Common Problems & Solutions, Problem Check These Items

Page 31

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 E-29.)

 

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

 

 

page E-24.)

 

• 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 E-8 or E-12.)

 

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 scrollingvertically,

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 E-29.)

 

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

 

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

 

 

Status indicator is lit or blinking

See the Status Light message chart on page E-30.

 

 

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.

 

 

 

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

This section explains conditions that you will encounter when operating your MT1020G while dis- playing an SXGA (1280×1024) image.

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

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

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.

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Image 31
Contents MultiSync MT 1020G /820G LCD Projector User’s Manual Precautions Lamp Replacement InstallationPower Supply CleaningB L E O F C O N T E N T S N T R O D U C T I O N Features you’ll enjoy includeWhat’s In The Box? How Do You Get Started?Rear Features Front FeaturesRight Side Features Left Side Features Top Features Terminal Panel Features RGB 1 Audio Input Mini Jack 6RGB Input 1 Connector D-Sub 15 pin7RGB Input 2 Connector Mini D-Sub 15 pin 9RGB Monitor Output Connector Mini D-Sub 15 pinRemote Control Features Remote Control Precautions Setting Up Your MultiSync MT1020G/820G LCD Projector InstallationUsing the Supplied Lift Kit Side view Using a Tabletop Or CartReflecting The Image Ceiling InstallationRear Screen Projection Wiring Diagram Connecting 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 P E R a T I O N Using The Menus Menu Descriptions & Functions Power Menu Image ModePicture Adjustment** when Auto Picture is off Fine Picture** when Auto Picture is offBackground Settings MenuCustom Memory Image LoopLanguage ResetStep A I N T E N a N C EReplacing The Lamp To replace the lampRemote Control Battery Installation Cleaning Or Replacing The FilterStatus Light Messages TroubleshootingProblem Check These Items Common Problems & SolutionsMechanical Specification SOptical ElectricalDimensions PC 15-Pin mini D-Sub Macintosh 15-Pin D-Sub Sub Pin AssignmentsPC 15-Pin mini D-Sub Yes/No Signal Resolution Refresh Dot Rate Hz KHz ClkMHz Timing ChartFunction Code Data Description PC Control Command Reference Command CodesCable Connection Communication Protocol PC Control Connector DIN-8P