BenQ SP840 user manual Troubleshooting

Page 62

English

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

 

There is no power from the power

Plug the power cord into the AC inlet on the

projector, and plug the power cord into the

cable.

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.

 

 

 

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 unit if necessary.

 

 

Remote control does not work

Cause

Remedy

 

 

The battery is out of power.

Replace the battery with 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 7 meters (23 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 28 for details.

 

 

 

62 Troubleshooting

Image 62
Contents Welcome SP840 Digital ProjectorTable of contents Important safety instructions English Do not block the ventilation holes Ceiling mounting the projector Projector features IntroductionShipping contents Projector exterior view Rear/lower sideControls and functions ProjectorRemote control Operating the Laser pointer Remote control effective range Replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size English SP840 projection dimensions Length AverageConnections Connecting a computer or monitorConnecting a computer To connect the projector to a notebook or desktop computerWith a VGA cable With a VGA to DVI-A cable Connecting a monitorTo connect the projector to a monitor With a DVI input socketBest video quality Connecting Video source devicesConnecting Audio Better video qualityAV device Connecting Hdmi source devicesTo connect the projector to an Hdmi source device Hdmi cableTo connect the projector to an Audio source device Connecting Component Video source devicesTo connect the projector to a Component Video source device Audio CableVideo Cable AV device Audio Cable Connecting S-Video source devicesTo connect the projector to an S-Video source device AV device Video Cable Audio Cable Connecting Composite Video source devicesTo connect the projector to a composite Video source device Operation Starting up the projectorUse / to highlight the System Setup Basic menu Using the menusUsing a security cable lock Securing the projectorIf you forget the password Utilizing the password functionSetting a password As pictured to the right, the four arrow keysDisabling the password function Entering the password recall procedureChanging the password Switching input signal Changing Color SpaceAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image size and clarityKeystone function Using Auto KeystoneCorrecting keystone Magnifying and searching for details Selecting the aspect ratioAbout the aspect ratio Letter BoxGo to the Picture Basic Picture Mode menu Selecting a picture modeSetting the User 1/User 2/User 3 mode Optimizing the imageFine-tuning the image quality in user modes Selecting a Color Temperature UserFine Tuning Adjusting Clarity ControlSelecting a Color Temperature Selecting a Gamma Selection3D Color Management Adjusting Brilliant ColorSelecting a White Peaking Selecting Color Space Conversion Selecting a Video FormatSelecting a 3D Comb Filter Selecting a Film ModeRemote paging operations Hiding the image Setting the Sleep TimerLocking control keys Operating in a high altitude environment Adjusting the soundFreezing the image Adjusting the Bass level Adjusting the sound levelAdjusting the Treble level Turning off the Power on/off Ring ToneIf you are in a Dhcp environment Configuring the Lan Control SettingsControlling the projector through a Lan environment Controlling the projector remotely through a web browser If you are in a non-DHCP environmentIiii Iiiv Personalizing the projector menu display Shutting down the projectorMenu operation Menu systemMenu Settings Adjustment Digital Zoom PC & ComponentYPbPr Tuning Auto Power OffReset All Settings Source Picture Mode Resolution Security SettingsSettings Baud RatePicture Mode Description of each menuPicture Advanced Display menu System Setup Basic menu Hdmi Shows the native resolution of the input signal Shows the current signal sourceShows the selected mode in the Picture menu Displays the number of hours the lamp has been usedMaintenance Care of the projectorLamp information Setting Lamp mode as EconomicSetting Auto Power Off Getting to know the lamp hourTiming of replacing the lamp Status MessageReplacing the lamp Loosen the screws that secure the lamp Setup Advanced Lamp Settings Tighten the screws that secure the lampRed IndicatorsOff Off GreenTroubleshooting Specifications Projector specificationsDimensions Timing chart Supported timing for Computer inputResolution Horizontal Vertical Pixel Mode Supported timing for Component-YPbPr inputSupported timing for Video and S-Video inputs Supported timing for Hdmi Hdcp inputSXGA60 Copyright Warranty and Copyright informationLimited warranty DisclaimerEEC statement Regulation statementsFCC statement Weee directiveEnglish
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