BenQ MX880UST user manual Troubleshooting

Page 67

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 25 for details.

 

Troubleshooting 67

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Contents MX880UST Model Name MX712 UST Digital ProjectorTable of contents Safety Instructions Important safety instructionsRefer servicing to qualified service personnel Safety Instructions Confined. Allow at least 50 cm clearance Inverted images for ceiling mount InstallationIntroduction Projector featuresShipping contents Projector exterior view Controls and functions Keystone/Arrow buttons / Up Down Remote controlTest AutoNumeric buttons Operating the Laser pointerMute MIC/VOL +Replacing the remote control batteries Remote control effective rangeOperating the projector from the front Front Ceiling Positioning your projectorChoosing a location Front TableObtaining a preferred projected image size Projection dimensionsConnection Component Video Better Good Normal Connecting video source devicesConnecting audio Terminal name Terminal appearanceAbout the microphone input Playing sound through the projectorPage Starting up the projector OperationFine-tuning the image clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageCorrecting keystone Highlight Using the menusHighlight Change Security Settings and press MODE/ENTER Using a security cable lockUtilizing the password function Setting a passwordDisabling the password function If you forget the passwordEntering the password recall procedure Changing the passwordSwitching input signal Selecting 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 Top-Left Bottom-Left Top-Right Bottom-Right Setting the presentation timerTo cancel the timer, perform the following steps Selection DescriptionHiding the image Utilizing FAQ functionRemote paging operations Freezing the imageCreating your own startup screen To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentTurning off the Power On/Off Ring Tone Adjusting the soundAdjusting the sound level Adjusting the microphone volumeIf you are in a non-DHCP environment Controlling the projector through a LAN environmentCable connection If you are in a Dhcp environmentHighlight Wireless LAN and press MODE/ENTER Wireless connectionControlling the projector remotely through a web browser Page Page Iii Operation Page Operation Page Using Q Presenter Downloading and installing Q PresenterDisplaying images through Q Presenter Operation Operation Presenting from a USB Reader Shutting down the projector Direct power offBasic Menu operationMenu system Main menu Sub-menu OptionsAdvanced Advanced Network Description of each menu Display menu Picture menu Function Description Teaching Picture ModeTemperature Save SettingsSearch System Setup Basic menu Function Description Quick AutoTimer SettingsColor Splash System Setup Advanced menu Function Description Panel KeyLock BackgroundTest Pattern System Setup Advanced menu Function DescriptionReset All Baud RateStatus Features ServiceCurrent SystemCare 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 Page Tighten the screws that secure the lamp cover Resetting the lamp timerThermal events IndicatorsLight Status & Description Power events Lamp eventsTroubleshooting Projector specifications SpecificationsWall mount installation DimensionsSupported timing for PC input Timing chartSupported timing for Video and S-Video inputs Supported timing for Component-YPbPrinputTiming Disclaimer Warranty and Copyright informationLimited warranty CopyrightWeee directive Regulation statementsFCC statement for United States users EEC statement for European users
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