BenQ W770ST user manual Do not cover the projector with any item

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-Do not cover the projector with any item;

5.Do not block the vents holes while the projector is on (even in standby mode):

-Do not cover the projector with any item;

-Do not place the projector on a blanket, bedding or any other soft surface.

6.In areas where the mains power supply voltage may fluctuate by ±10 volts, it is recommended that you connect your projector through a power stabilizer, surge protector or uninterruptible power supply (UPS) as appropriate to your situation.

7.Do not step on the projector or place any objects upon it.

8.Do not place liquids near or on the projector. Liquids spilled into the projector will void your warranty. If the projector does become wet, disconnect it from the power point and call BenQ to have the projector repaired.

9.Do not look straight into the projector lens during operation. It may harm your sight.

10.Do not operate the projector lamp beyond the rated lamp life. Excessive operation of lamps beyond the rated life could cause a lamp to break on rare occasions.

11.The lamp becomes extremely hot during operation. Allow the projector to cool for approximately 45 minutes prior to removing the lamp assembly for replacement.

12.This projector is capable of displaying inverted images for ceiling mount installation. Use only BenQ's Ceiling Mount Kit for mounting.

4	Important safety instructions

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Contents W750/W770ST Digital Projector Home Cinema Series User ManualTable of contents Connecting with videoWarranty and Copyright Positioning your projectorImportant safety instructions Do not cover the projector with any item Moisture condensation Avoid volatile liquidsDisposal Lead, which is contained in solder Mercury, which is used in the lampShipping contents OverviewSome of the accessories may vary from region to region Remote controlRemote control effective range Replacing the remote control batteriesCeiling mounting the projector 8 Overview Projector features High picture qualityHigh brightness Vivid color reproductionProjector exterior view See Connecting with video equipment on page 19 for connection detailsFront and upper side view Rear and lower side viewControls and functions Control panelRemote control Positioning your projector Choosing a locationHow to determine the recommended screen size for a given distance Obtaining a preferred projected image sizeProjection dimensions DiagonalHeight WidthVertical offset inchInstallation for a 43 ratio screen LowestImage lensLowest Connecting HDMI devices Connecting with video equipmentPreparations Connecting S-Video or video devices Connecting component-video devices20 Positioning your projector Connecting a computer Connect the projector to a computer with a VGA cableUsing the projector Turning the projector onSelecting an input source Fine-tuning the image size and clarityENTER Using a security cable lock Using the menusSecuring the projector Utilizing the password function Setting a passwordIf you forget the password Input Password page displaysEntering the password recall procedure Changing the passwordDisabling the password function 26 Using the projectorAdjusting the projection angle Adjusting the projected imageCorrecting picture distortion Using the preset and user modes Selecting a preset modeFine-tuning the selected picture mode Setting the User 1/User 2/User 3 modeFine-tuning the picture quality Resetting the picture modeAdjusting Brightness Adjusting ContrastAdjusting Color Adjusting TintAdjusting Sharpness Selecting a color temperatureAdvanced picture quality controls Setting Black LevelSetting a preferred color temperature Controlling image clarityAdjusting Brilliant Color Selecting a Gamma settingColor Management Setting 3D Comb Filter Setting Film Modeamong Red , Green , Blue , Cyan , Magenta and Yellow Adjusting the sound Adjusting the sound levelTurning off the Power On/Off Ring Tone Muting the soundSelecting the aspect ratio About the aspect ratioMagnifying and searching for details OSD menus can be displayed on those unused black areasWatching 3D content Operating in a high altitude environmentConnecting 3D video devices Using the 3D menusTake appropriate breaks when watching 3D content Stop watching 3D content if you feel fatigue or discomfortLocking control keys Personalizing the projector menu displayTurning the projector off On-Screen Display OSD menus Preset ModeOn-Screen Display OSD structure Cinema/Dynamic/Standard/User 1/User 2/User 3/3DSystem Setup BasicAdvanced InformationPicture menu Audio Setup menu Display menuSystem Setup Basic menu System Setup Advanced menu Reset Lamp TimerResetting the lamp timer on page 51 for details Closed Caption EnableInformation menu This menu shows you the current operating status of the projectorAdditional information Care of the projectorGetting to know the lamp hour Lamp informationExtending lamp life Timing of replacing the lamp Replacing the lampInstall a new lamp for optimal performance. If the projector is until the next hour lamp warning appearsDisconnect the lamp connector from the projector 3. Remove the lamp cover from the projectorLoosen the screw that secures the lamp Lift the handle so that it stands upResetting the lamp timer Indicators Powering upThe projector needs to cool for 90 seconds after the power PowerThe internal temperature is too high The intake ventilation or the exhaust ventilation isblocked The projector may be in a poorly ventilated locationTroubleshooting switched on. See pagering. See page necessary. See pageSpecifications OpticalElectrical MechanicalUnit mm Ceiling mount screws M6 x 8 Max. L = 8 mm127.7 76.574.5 102.84133.97 253.47Frequency XGA60XGA120 BenQ NotebookSupported timing for 3D signal with Top-Bottom and Side-by-Side format Frequency Supported timing for 3D signal with Side-by-Side format Refresh rate HzH. Freq. KHz Pixel Freq. MHz62 Using the projector Supported timing for EDTV and HDTV via Component inputsSupported timing for Video and S-Video inputs NTSCWarranty and Copyright information WarrantyCopyright Disclaimer