BenQ MX850UST, MW851UST user manual Troubleshooting

Page 57

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 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 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 24 for details.

 

Troubleshooting 57

Page 56 Page 58
Image 57
Page 56 Page 58
Contents Welcome Table of contents Important safety instructions Safety InstructionsRefer servicing to qualified service personnel Safety Instructions Locations with an ambient temperature Locations near fire alarmsLocations where the altitudes are higher Confined. Allow at least 50 cm clearanceInverted images for ceiling mount InstallationProjector features IntroductionIntroduction Shipping contents Front/upper side Rear/lower side Projector exterior viewControls and functions Projector ON/OFF Remote controlTest Keystone/Arrow buttons / Up DownMute Operating the Laser pointerMIC/VOL + Numeric buttonsReplacing the remote control battery Remote control effective rangePositioning your projector Choosing a locationFront Ceiling Obtaining a preferred projected image size Projection dimensionsDiagonal Inches 1524 Screen Size Distance from Screen in mm808 1778 1508 942Connection Connecting audio Connecting video source devicesTerminal name Terminal appearance BestPlaying sound through the projector Audio Settings Microphone Volume menuAbout the microphone input DeviceOperation Starting up the projectorOperation Auto-adjusting the image Adjusting the projected imageFine-tuning the image clarity Correcting keystoneUsing the menus Following example describes how to set the OSD languageUse / to highlight the System Setup Basic menu Utilizing the password function Using a security cable lockSetting a password Highlight Change Security Settings and press MODE/ENTERIf you forget the password Entering the password recall procedureWrite down the number and turn off your projector Changing the password Disabling the password functionEnter a new password Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Projectors native resolution in its Displayed in the centerScreen with a 169 aspect ratio Aspect alterationSelecting 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 Every adjustment made will reflect to Press To highlight Saturation and adjust its3D Color Management Range at 0, only pure red in the projectedTo cancel the timer, perform the following steps Setting the presentation timerCount Up Increases from 0 to the preset time Count Down Selection DescriptionFreezing the image Remote paging operationsHiding the image Locking control keysTo activate the High Altitude Mode Operating in a high altitude environmentCreating your own startup screen Adjusting the sound Controlling the projector through a LAN environmentCable connection If you are in a non-DHCP environment Controlling the projector remotely through a web browserIiii Iiiv Press Exit to go back to the remote network operation Shutting down the projector Direct power offMenu operation Menu systemMain menu Sub-menu Options Sleep Timer System Setup BasicMin/25 min/30 min Hr/8 hr/12 hrAdvanced Description of each menu Temperature Picture ModeSave Settings Display menu Picture menu Function Description TeachingSettings TimerSearch Color SpaceOperation Function DescriptionPanel Key LockAltitude System Setup Advanced menu Function Description HighAudio LampReset All System Setup Advanced menu Function DescriptionStandby NetworkCurrent Information menu Function DescriptionSystem StatusCare of the projector MaintenanceSetting Auto Power Off Setting Lamp Mode as EconomicLamp information Getting to know the lamp hourStatus Message Timing of replacing the lampReplacing the lamp Use the handle to slowly pull the lamp out of the projector Connect the power and restart the projector Resetting the lamp timerTime will be reset to Indicators Light Status & Description Power eventsLamp events Troubleshooting Projector specifications SpecificationsMm W x 236.9 mm H x 322.8 mm D 339 Specifications DimensionsMinimum installation requirements Wall mount installation975 1173 1189 1181 960 Minimum Ceiling Height mm = f + H + b + 60 + 221+ c CeilingWall plate Supported timing for PC input Timing chartSupported timing for Hdmi Hdcp input Supported timing for Component-YPbPrinput TimingHorizontal Supported timing for Video and S-Video inputs Limited warranty Warranty and Copyright informationCopyright Disclaimer
Top Page Image Contents