BenQ MP776 ST user manual Troubleshooting

Page 60

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

the projector, and plug the power cord into the

cord.

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 signal device.

 

The input signal has not been

Select the correct input signal with the

SOURCE key on the projector or remote

correctly selected.

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 projector 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 (26 feet) of the

projector.

projector.

The password is incorrect

 

 

 

Cause

Remedy

You do not remember the password.

Please see "Entering the password recall

procedure" on page 27 for details.

 

60 Troubleshooting

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Page 59 Page 61
Contents Welcome MP772 ST/MP776 ST Digital ProjectorTable of contents Important safety instructions Safety InstructionsRefer servicing to qualified service personnel Important safety instructionsSafety Instructions Locations near fire alarms Locations with an ambient temperatureLocations where the altitudes are higher Confined. Allow at least 50 cm clearanceInstalled It from the power supplys power outletServiced Do not step on the projector or placeProjector features IntroductionIntroduction Shipping contents Projector exterior view Front/upper side Rear/lower sideLamp cover External control panel Controls and functions ProjectorRemote control Auto Mode Operating the Laser pointerKeystone/Arrow buttons / Up Remote control effective range Replacing the remote control batteriesApprox.+15 Positioning your projector Choosing a locationFront Table Front CeilingObtaining a preferred projected image size Page Projection dimensions Vertical offsetConnection Connecting a computer or monitor Connecting a computerConnecting a monitor To connect the projector to a notebook or desktop computerConnecting video source devices Connecting audioConnecting a Component Video source device Connecting an Hdmi deviceTo connect the projector to an Hdmi device To connect the projector to a Component Video source deviceConnecting an S-Video/Composite Video source device To connect the projector to an S-Video/Video source deviceOperation Starting up the projectorOperation Adjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image clarityUsing the menus Following example describes how to set the OSD languageUse / to highlight the System Setup Basic menu Press Menu/Exit on the projector or remoteUsing a security cable lock Utilizing the password functionSetting a password To the Security SettingsIf you forget the password Entering the password recall procedureChanging the password Disabling the password function Correcting keystoneSwitching input signal Changing Color SpaceMagnifying and searching for details Selecting the aspect ratioAbout the aspect ratio Using Wall Color Selecting a picture modeSetting the User 1/User 2 mode Go to the Picture Picture Mode menuFine-tuning the image quality in user modes Adjusting Brilliant Color Selecting a color temperatureAbout color temperatures 3D Color ManagementSetting the presentation timer Selection DescriptionTo cancel the timer, perform the following steps How to use the Timer On key?Using the remote control Top-Left Bottom-Left Top-Right Bottom-RightFreezing the image Hiding the imageUtilizing FAQ function Go to the System Setup Basic Panel Key LockLocking control keys Adjusting the sound Adjusting the sound levelTurning off the Power on/off ring tone Operating in a high altitude environmentConfiguring the Lan Control Settings Personalizing the projector menu displayControlling the projector through a Lan environment If you are in a Dhcp environmentControlling the projector remotely through a web browser If you are in a non-DHCP environmentPress Exit to go back to the remote network operation Once the cooling process finishes, a Power Off Ring Shutting down the projectorMenu operation Menu systemMain menu Sub-menu Options BasicAdvanced Closed Caption On/Off Enable Caption Version Control By RJ45/RS232Projector IP Lan Control AddressDescription of each menu Picture Mode TemperatureSave Settings ReferenceTimer SettingsAuto Power Blank TimerSettings Security QuickAudio StandbyReset All ClosedCaption Lan ControlFAQ-Image InstallationFeatures ServiceMaintenance Care of the projectorSetting Lamp Mode as Economic Setting Auto Power OffLamp information Getting to know the lamp hourTiming of replacing the lamp Status MessageReplacing the lamp Tighten the screw that secures the lamp Connect the power and restart the projector Resetting the lamp timerTighten the screws that secure the lamp cover Indicators Light Status & Description Power eventsLamp events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Ceiling mount installationTiming chart Supported timing for PC input MP772 STSupported timing for PC input MP776 ST Supported timing for Hdmi Hdcp input MP776 ST SXGA85Signal Format Supported timing for Component-YPbPrinput MP772 ST/ MP776 STWarranty and Copyright information Limited warrantyCopyright DisclaimerRegulation statements FCC statementEEC statement Weee directive
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