BenQ Troubleshoot Your Projector Issues with the MX764 Model
Page 73

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 26 for details.

 

Troubleshooting 73

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Contents MX763/MX764 Digital Projector WelcomeTable of contents Safety Instructions Important safety instructionsRefer servicing to qualified service personnel Safety Instructions Confined. Allow at least 50 cm clearance Ceiling mounting the projector Introduction Projector featuresShipping contents Front/upper side Projector exterior viewRear/lower side Controls and functions 22 12. Network Remote controlAuto Keystone/Arrow buttons / Up DownOperating the Laser pointer VOLUME+/VOLUME- Adjusts the sound level MuteMIC/VOL + Numeric buttonsReplacing the remote control batteries Remote control effective rangeChoosing a location Positioning your projectorFront Table Front CeilingObtaining a preferred projected image size Projection dimensionsShifting the projection lens When the projector position is fixedConnection ConnectionConnecting audio Connecting video source devicesPlaying sound through the projector Audio Settings Microphone Volume menuAbout the microphone input Connection Starting up the projector OperationAdjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Use / to highlight the System Setup Basic menu Using the menusUtilizing the password function Using a security cable lockSetting a password Securing the projectorEntering the password recall procedure If you forget the passwordChanging the password Disabling the password function 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 menuFine-tuning the image quality in user modes RED To cancel the timer, perform the following steps Setting the presentation timerTop-Left Bottom-Left Top-Right Bottom-Right Freezing the image Remote paging operationsHiding the image Using the remote control To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentAdjusting the sound level Adjusting the soundAdjusting the microphone volume Turning off the Power On/Off Ring ToneCable connection Controlling the projector through a LAN environmentIf you are in a Dhcp environment If you are in a non-DHCP environmentSetting the Infrastructure mode Wireless connectionHighlight Wireless LAN and press MODE/ENTER Operation Controlling the projector remotely through a web browser Operation Operation Iii Press Exit to go back to the remote network operation Operation Operation Using the web control lock Using QPresenter Downloading and installing QPresenterDisplaying images through QPresenter Operation Operation Using the broadcasting function Using the USB cable to display computer contentUsing the Projection Login Code Presenting from a USB Reader Shutting down the projector Using the USB CameraDirect power off Menu system Menu operationMain menu Sub-menu Options BasicAdvanced System Setup BasicDhcp Main menu Sub-menu Options System Setup AdvancedDescription of each menu Temperature Picture ModeManagement Save Settings Display menu Picture menu Function Description TeachingFunction Description Quick Auto TimerSearch Color SpaceOperation SettingsRemote Advanced menu Security Settings DescriptionReceiver Panel KeyBaud Rate System Setup Advanced menu Function DescriptionTest Pattern ClosedInformation menu Function Description Reset AllNetwork CurrentCare of the projector MaintenanceLamp information Setting Lamp Mode as EconomicGetting to know the lamp hour Extending lamp lifeStatus Message Timing of replacing the lampReplacing the lamp Ensure the handle is fully laid flat and locked in place Tighten the screws that secure the lamp cover Resetting the lamp timerLight Status & Description Power events IndicatorsLamp events Thermal eventsCause Remedy TroubleshootingProjector specifications SpecificationsCeiling mount installation DimensionsSupported timing for PC input Timing chartSupported timing for Hdmi Hdcp input Supported timing for Video and S-Video inputs Supported timing for Component-YPbPrinputLimited warranty Warranty and Copyright informationCopyright Disclaimer
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