BenQ MX520 user manual Troubleshooting

Page 53

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

 

 

Plug the power cord into the AC power jack on

There is no power from the power cord.

the projector, and plug the power cord into the

power outlet. If the power outlet has a switch,

 

 

make sure that it is switched on.

 

 

Attempting to turn the projector on again

Wait until the cooling down process has

during the cooling process.

completed.

 

 

No picture

 

Cause

Remedy

The video source is not turned on or

Turn the video source on and check that the signal

connected correctly.

cable is connected correctly.

 

 

The projector is not correctly connected

Check the connection.

to the input signal device.

 

 

 

The input signal has not been correctly

Select the correct input signal with the SOURCE

selected.

key on the projector or remote control.

 

 

The lens cover is still closed.

Open the lens cover.

Blurred image

 

Cause

 

Remedy

 

 

 

The projection lens is not correctly

 

Adjust the focus of the lens using the focus ring.

focused.

 

 

 

 

 

 

The projector and the screen are not

 

Adjust the projection angle and direction as well

aligned properly.

 

as the height of the projector if necessary.

 

 

 

The lens cover is still closed.

 

Open the lens cover.

Remote control does not work

 

Cause

Remedy

The battery is out of power.

Replace the battery with new ones.

There is an obstacle between the remote

Remove the obstacle.

control and the projector.

 

You are too far away from the projector.

Stand within 8 meters (26 feet) of the projector.

The password is incorrect

 

Cause

Remedy

 

 

You do not remember the password.

Please see "Entering the password recall

procedure" on page 23 for details.

 

 

 

Troubleshooting 53

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Contents MX520/MX703 Digital Projector Table of contents Safety Instructions Important safety instructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Introduction Projector featuresShipping contents Front/upper side Rear/lower side Projector exterior viewControls and functions Remote control Replacing the remote control batteries Remote control effective rangeChoosing a location Positioning your projectorFront Table Front CeilingMX520 Projection dimensionsObtaining a preferred projected image size Screen size Projection distance mm Diagonal Min MX703Connection ConnectionConnecting audio Connecting video source devicesTerminal name Terminal appearance BestStarting up the projector OperationAdjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Below is the overview of the OSD menu Using the menusUtilizing the password function Using a security cable lockSetting a password If you forget the passwordDisabling the password function Entering the password recall procedureChanging the password Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Selecting a picture mode Using Wall ColorSetting the User 1/User 2 mode Go to the Picture Picture Mode menuSelecting a color temperature Fine-tuning the image quality in user modesAdjusting Brilliant Color 3D Color Management Setting a preferred color temperatureSelection Description Setting the presentation timerResetting current or all picture modes Remote paging operations To cancel the timer, perform the following stepsFreezing the image Top-Left Bottom-Left Top-Right Bottom-RightHiding the image To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentUsing the test pattern Adjusting the soundAdjusting the sound level Turning off the Power On/Off Ring ToneTo select Blackboard or Whiteboard Using the teaching templatesShutting down the projector Direct power offMain menu Sub-menu Options Menu operationMenu system Basic Menu Settings Menu PositionMenu Display Sec/10 sec/20 sec/30 sec/Always Time Right/Bottom-LeftEquivalent Lamp Hour Main menu Sub-menu Options System Setup AdvancedIP Address Color SystemDescription of each menu Temperature Picture ModeColor Temperature Fine Tuning 3D ColorInstallation TimerSettings SearchOperation System Setup Basic menu Function DescriptionRemote Receiver forBackground LockColor Splash ScreenSettings for System Setup Advanced menu Function DescriptionReset All Baud RateStatus CurrentSystem Care of the projector MaintenanceExtending lamp life Lamp informationGetting to know the lamp hour Status Message Timing of replacing the lampReplacing the lamp Use the handle to slowly pull the lamp out Projector Resetting the lamp timerMaintenance Light Status & Description Power events IndicatorsLamp events Thermal eventsTroubleshooting Projector specifications SpecificationsCeiling mount installation DimensionsSupported timing for PC input Timing chartKHz Supported timing for Hdmi Hdcp inputTiming Supported timing for Component-YP bP r inputSupported timing for Video and S-Video inputs Limited warranty Warranty and Copyright informationCopyright Disclaimer
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