BenQ MP777 user manual Troubleshooting

Page 59

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.

 

Troubleshooting 59

Page 58 Page 60
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Page 58 Page 60
Contents MP776/MP777 Digital Projector WelcomeTable of contents Important safety instructions Important safety instructionsSafety Instructions Refer servicing to qualified service personnelSafety Instructions Confined. Allow at least 50 cm clearance Locations near fire alarmsLocations with an ambient temperature Locations where the altitudes are higherDo not step on the projector or place InstalledIt from the power supplys power outlet ServicedIntroduction Projector featuresIntroduction Shipping contents Speaker grill Introduction Projector exterior viewFront/upper side External control panelProjector Remote control Keystone/Arrow buttons / Up Auto ModeOperating the Laser pointer Approx.+15 Remote control effective rangeReplacing the remote control batteries Front Ceiling Positioning your projectorChoosing a location Front TableObtaining a preferred projected image size Page Inch Projection dimensionsScreen size Distance from screen mm Diagonal VerticalConnection To connect the projector to a notebook or desktop computer Connecting a computer or monitorConnecting a computer Connecting a monitorConnecting audio Connecting video source devicesTo connect the projector to a Component Video source device Connecting a Component Video source deviceConnecting an Hdmi device To connect the projector to an Hdmi deviceTo connect the projector to an S-Video/Video source device Connecting an S-Video/Composite Video source deviceOperation OperationStarting up the projector To turn of the ring tone, see Turning offFine-tuning the image size and clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageUse / to highlight the System Setup Basic menu Using the menusFollowing example describes how to set the OSD language To the Security Settings Using a security cable lockUtilizing the password function Setting a passwordChanging the password If you forget the passwordEntering the password recall procedure Bottom of the image Operation Disabling the password functionCorrecting keystone Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Go to the Picture Picture Mode menu Using Wall ColorSelecting a picture mode Setting the User 1/User 2 modeFine-tuning the image quality in user modes 3D Color Management Adjusting Brilliant ColorSelecting a color temperature About color temperaturesSelection Description Setting the presentation timerTop-Left Bottom-Left Top-Right Bottom-Right To cancel the timer, perform the following stepsHow to use the Timer On key? Using the remote controlTo exit the OSD menu, press MENU/EXIT Operation Utilizing FAQ functionFreezing the image Hiding the imageOperating in a high altitude environment Go to the System Setup Basic Panel Key LockTo activate the High Altitude Mode Locking control keysPersonalizing the projector menu display Adjusting the soundAdjusting the sound level Turning off the Power on/off ring toneIf you are in a non-DHCP environment Configuring the Lan Control SettingsControlling the projector through a Lan environment If you are in a Dhcp environmentControlling the projector remotely through a web browser Ii. To switch input source, click on your desired signalPress Exit to go back to the remote network operation Shutting down the projector Once the cooling process finishes, a Power Off RingBasic Menu operationMenu system Main menu Sub-menu OptionsAdvanced Lan Control Address Closed Caption On/Off Enable Caption VersionControl By RJ45/RS232 Projector IPDescription of each menu Color Tint Sharpness Color TemperatureSave Settings TimerMenu SettingsAuto Power ProjectorBaud Rate LampSecurity Test PatternFeatures Reset AllFAQ-Image InstallationCare of the projector MaintenanceGetting to know the lamp hour Setting Lamp Mode as EconomicSetting Auto Power Off Lamp informationStatus Message Timing of replacing the lampReplacing the lamp Tighten the screw that secures the lamp Tighten the screws that secure the lamp cover Connect the power and restart the projectorResetting the lamp timer Thermal events IndicatorsLight Status & Description Power events Lamp eventsTroubleshooting Projector specifications SpecificationsCeiling mount installation DimensionsSupported timing for PC input Timing chartSXGA85 Supported timing for Hdmi Hdcp input MP776Supported timing for Video and S-Video inputs Signal FormatSupported timing for Component-YPbPrinput Disclaimer Warranty and Copyright informationLimited warranty CopyrightWeee directive Regulation statementsFCC statement EEC statement
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