BenQ MP511 user manual Troubleshooting

Page 56

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

 

 

Plug the power cord into the AC inlet on the

There is no power from the power

projector, and plug the power cord into the

cable.

power outlet. If the power outlet has a switch,

 

make sure that it is switched on.

 

 

Attempting to turn the projector on

Wait until the cooling down process has

again 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

connected correctly.

signal cable is connected correctly.

 

 

The projector is not correctly

Check the connection.

connected to the input source device.

 

 

 

The input signal has not been

Select the correct input signal with the Source

correctly 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

focused.

ring.

 

 

The projector and the screen are not

Adjust the projection angle and direction as

aligned properly.

well as the height of the unit if necessary.

 

 

The lens cover is still closed.

Open the lens cover.

Remote control does not work

Cause

Remedy

 

 

The batteries are out of power.

Replace the batteries with new ones.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

 

 

You are too far away from the

Stand within 8 meters of the projector.

projector.

 

 

 

The password is incorrect

Cause

Remedy

 

 

You do not remember the password.

Please see "Entering the password recall pro-

cedure" on page 26 for details.

 

56 Troubleshooting

Image 56
Contents Welcome Table of contents Magnifying and searching for details MaintenanceTroubleshooting Specifications Regulation statements Important safety instructions Refer servicing to qualified service personnelFuture reference Projector lamp is on Do not look straight at the projectorSafety Instructions 3000 m Resulting in damage to the projector Bedding or any other soft surfaceAllow at least 50 cm clearance from walls Ceiling mounting the projector Introduction Projector featuresIntroduction Shipping contents Projector exterior view Front/upper sideRear side Under viewControls and functions ProjectorAuto Right/Panel Key LockRemote control Timer OnTimer Setup RightPull out the battery holder Remote control effective rangeReplacing the remote control battery Positioning your projector Choosing a locationObtaining a preferred projected image size Page Screen Diagonal Screen Center of lens Projection distanceConnecting a computer ConnectionTo connect the projector to a laptop or desktop computer ConnectionConnecting Video source devices Best video qualityBetter video quality Least video qualityConnecting a Component Video source device To connect the projector to a Component Video source deviceConnecting an S-Video or a composite Video source device To connect the projector to an S-Video source deviceOperation OperationStart up Utilizing the power-on lock function Setting a passwordIf you forget the password Buttons Up , Right, DownEntering the password recall procedure Changing the passwordDisabling the power-on lock function Enter the old passwordSwitching input signal Go to Source Quick Auto Search menuAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image size and clarityFor example Correcting keystonePress to correct keystoning at the bottom of the image Selecting the aspect ratio Selecting a picture mode Setting the User 1/User 2 modeGo to the Picture Picture Mode menu Optimizing the imageUsing Wall Color Fine-tuning the image quality in user modesAdjusting brightness Adjusting contrastAbout color temperatures 3D Color ManagementSetting the presentation timer Other adjustmentsButton is a multi-functional key How to use the Timer On button?Hiding the image Locking control keys Freezing the imageUtilizing FAQ function Operating in a high altitude environmentPersonalizing the projector menu display Shutting down the projectorMenu operation Menu systemPC source Dynamic Video source DynamicLamp mode Normal/Economic BasicAdvanced LanguageInformation Source Use Left/ Right to select the Display menu Using the menusStatus Press Display menu Picture menu System setup Basic menu Source menuSystem setup Advanced menu Security Reset AllLamp Information menu Maintenance Care of the projectorLamp information Calculation of lamp hourReplacing the lamp Page Restart the projector Temperature informationTighten the screw that secures the lamp Indicators Stand-by modePowering up IllustrationLight Status & Description Power Temp Lamp Thermal events Troubleshooting Specifications Projector specificationsTiming chart Supported timing for PC inputSupported timing for Component-YPbPrinput Supported timing for Video and S-Video inputsWarranty and Copyright information Limited warrantyCopyright DisclaimerRegulation statements FCC statementEEC statement Weee directive