BenQ MP720 user manual Troubleshooting, Cause Remedy, Plug the power cord into the AC inlet on

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 cap is still attached to the

Remove the lens cap.

lens.

 

 

 

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 cap is still attached to the

Remove the lens cap.

lens.

 

 

 

REMOTE CONTROL DOES NOT WORK

Cause

Remedy

 

 

The battery is out of power.

Replace the battery with a new one.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

 

 

You are too far away from the

Stand within 6 meters (19.5 feet) of the

projector.

projector.

 

 

50 Troubleshooting

Page 55 Page 57
Image 56
Page 55 Page 57
Contents Welcome Copyright DisclaimerTable of contents Iv Table of contents Supported timing for Component-YPbPr inputTable of contents Regulation StatementsMemo Vi Table of contents Important safety instructions Refer servicing to qualified service personnelBut could fail if power cuts or surges Important safety instructionsSafety Instructions Bedding or any other soft surface Safety Instructions Introduction Projector featuresIntroduction Shipping contents Rear side Projector exterior viewFront / upper side Side view Lower sideKensington anti-theft lock slot Lamp coverControls and functions External control panelInformation Turns the projector on or offII/ Freeze Remote controlExit 5Up, 6 Down 3Left, Right4 Remote control effective range Replacing the remote control batteryPull out the battery holder Operating the projector fromPositioning your projector Positioning your projectorChoosing a location Floor front Obtaining a preferred projected image size Positioning your projector Maximum zoom Minimum zoom Screen Center of lens Projection distance1219 1500Wireless connection optional Connecting a computer or monitorConnection Cable connectionVGA VGA-DVI Connecting a monitor With a VGA cable With a VGA-DVI cableConnecting Video source devices Best video qualityConnecting a Component Video source device Connecting an S-Video source device Connecting a composite Video source device Start up Utilizing the password functionOperation To set a password If you forget the passwordTo enter the password recall procedure To change the passwordAdjusting the height Auto-adjusting the imageFine-tuning the image size and clarity Adjust the projected image to the sizeThat you need using the zoom ring Focus ring Correcting keystoneSelecting an application mode Switching input signalBrightest default Presentation SRGB/Photo Gaming Video Movie default Cinema Gaming PhotoPower indicator light flashes Remote paging operationsFreezing the image ShutdownMenu operation Menu systemUsing the menus Picture menu Color Temp Depends onSelected BrightnessPro-Picture menu Setting menu Advance menu Mode off High AltitudeAuto Off off EconomicResolution Mode EquivalentInformation menu Lamp Hour SystemMaintenance Care of the projectorTo clean the filter How to replace the filter sponge Message Status Lamp informationCalculation of lamp hour Disconnect the lamp connector from the projector Maintenance Replacing the lampMaintenance Temperature information Resetting the lamp counterRestart the projector Iii. Wait about 5 seconds to let the OSD disappearIndicators Light Status & Description Power Temp Lamp Power eventsLight Status & Description Power Temp Lamp Lamp events Stand-by modeThermal events For assistanceMaintenance Troubleshooting Plug the power cord into the AC inlet onMake sure that it is switched on Cause RemedySpecifications Projector specificationsTiming chart Supported timing for PC inputSupported timing for Component-YPbPrinput Supported timing for Video and S-Video inputsDimensions Unit mm SpecificationsWarranty Limited WarrantyRegulation Statements FCC statementEEC statement MIC statement
Top Page Image Contents