BenQ SH940 user manual Troubleshooting, Problem Cause Remedy

Page 57

Troubleshooting

 

 

 

English

Problem

Cause

Remedy

 

 

Plug the power cable into the AC inlet on the

 

 

There is no power from the power

rear of the projector, and plug the power

 

 

cable into to the power outlet. If the power

 

 

cable.

 

 

outlet has a switch, make sure that it is

 

The projector does

 

 

 

switched on. (See page 20.)

 

not turn on.

 

 

 

Attempting to turn the projector on

Wait until the cooling down process has

 

 

 

 

again during the cooling process.

completed.

 

 

 

 

 

 

The lamp cover is not securely

Correctly attach the lamp cover. (See page

 

 

attached.

53.)

 

 

 

 

 

 

The video source is not turned on or

Turn the video source on and check that the

 

 

signal cable is connected correctly. (See page

 

 

connected correctly.

17.)

 

 

 

 

 

 

 

 

No picture.

The projector is not correctly

Check the connection. (See page 17.)

 

connected to the input source device.

 

 

 

 

 

 

The input source has not been

Select the correct input source with the

 

 

Source keys on the remote control or

 

 

correctly selected.

 

 

SOURCE on the projector. (See page 21.)

 

 

 

 

 

 

 

 

 

The connection cables are not

Correctly connect the cables to the

 

Image is unstable.

securely connected to the projector

 

appropriate terminals. (See page 17.)

 

 

or the signal source.

 

 

 

 

 

 

 

 

 

The projection lens is not correctly

Adjust the focus of the lens using the focus

 

 

focused.

ring. (See page 25.)

 

Picture is blurred.

 

 

 

The projector and the screen are not

Adjust the projection angle and direction as

 

 

 

 

aligned properly.

well as the height of this projector if

 

 

necessary. (See page 25.)

 

 

 

 

 

 

 

 

 

The batteries are out of power.

Replace both of the batteries with new ones.

 

 

(See page 7.)

 

 

 

 

Remote control does

 

 

 

There is an obstacle between the

Remove the obstacle. (See page 7.)

 

not work correctly.

remote control and the projector.

 

 

 

 

 

 

 

 

You are too far away from the

Stand within 8 meters (26.2 feet) of the

 

 

projector.

projector. (See page 7.)

 

 

 

 

 

Additional information

57

Image 57
Contents SH940 Digital Projector Table of contents Important safety instructions Important safety instructions Moisture condensation Avoid volatile liquidsDisposal Overview Shipping contentsRemote control batteries Remote control operationCeiling mounting the projector Projector features Front and upper side view Projector exterior viewRear view Under viewControl panel Controls and functionsRemote control Choosing a location Positioning your projectorObtaining a preferred projected image size Installation for a 169 ratio screen Projection dimensionsFloor Installation Ceiling Installation Installation for a 43 ratio screenScreen dimensions Projection distance D Lowest Highest Screen aspect ratio is 43 and the projected picture isTo use the lens shift lever Shifting the projection lensConnecting with video equipment Connecting Hdmi devicesPreparations Connecting video devices Connecting component-video/RGB devicesConnecting a monitor Connecting a computerUsing the projector Turning the projector onPreparations Using the OSD menu Selecting an input sourceChanging Color Space Using the menus Using a security cable lockSecuring the projector Utilizing the password function Setting a passwordIf you forget the password Entering the password recall procedure Changing the passwordDisabling the password function Adjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image size and clarityCorrecting picture distortion Selecting a preset mode Using the preset and user modesFine-tuning the selected picture mode To fine-tune the picture modeResetting the picture mode Setting the User 1/User 2 modeTo reset the picture mode to the preset factory values Renaming user modesFine-tuning the picture quality Selecting a color temperature Setting Black LevelAdvanced picture quality controls Controlling image claritySelecting a Gamma setting Setting a preferred color temperatureAdjusting Brilliant Color To set a preferred color temperatureColor Management Setting Film ModeSetting 3D Comb Filter Selecting the aspect ratioAbout the aspect ratio Using Panamorph lenses optional Freezing the image Hiding the imageAdjusting the sound quality Adjusting the soundTurning off the Power On/Off Ring Tone Muting the soundControlling the projector through a Lan environment Configuring the Lan Control SettingsControlling the projector remotely through a web browser If you are in a Dhcp environmentEnter Operating in a high altitude environment To activate High Altitude ModeTo display the PIP window Displaying more than one image source simultaneouslyTurning the projector off Power II or OFF againOn-Screen Display OSD structure On-Screen Display OSD menusPicture BasicSetup DisplaySystem Dhcp Information ResolutionLoad Settings Picture ModeReset Picture SettingsYPbPr Tuning AdjustmentBlank Timer Display menuMenu Settings System Setup menuLanguage Splash ScreenClosed Caption Closed Caption EnableStandby Monitor OutLamp Settings Advanced Setup menuHdmi Settings Audio SettingsInformation menu ResolutionSource Equivalent LampCare of the projector Additional informationSetting Auto Power Off Setting Lamp Power as EconomicLamp information Getting to know the lamp hourTiming of replacing the lamp Replacing the lampStatus Message English Resetting the lamp timer Indicators Power eventsLight Status & Description Problem Cause Remedy TroubleshootingGeneral characteristics SpecificationsOptical ElectricalCeiling mount installation DimensionsSupported timing for PC input Timing chartFormat Refresh rateFormat Resolution Refresh rate Freq. KHz Pixel Freq MHz Format Resolution Refresh rate Hz Freq. KHz Pixel Freq. MHzSupported timing for Hdmi Hdcp input Supported timing for Edtv and Hdtv via Component inputsWarranty Warranty and Copyright informationCopyright Disclaimer