BenQ W770ST user manual The internal temperature is too high, blocked, Green

Page 53

Green	Red	Off	The internal temperature is too high.
			• The intake ventilation or the exhaust ventilation is
Green	Red	Off	blocked.
Flashing	Red	Off	• The projector may be in a poorly ventilated location.
Flashing			• The projector may be in a poorly ventilated location.
			• The ambient temperature may be too high.

Using the projector

Image 53

Contents User Manual W750/W770ST Digital Projector Home Cinema SeriesConnecting with video Table of contentsWarranty and Copyright Positioning your projectorImportant safety instructions Do not cover the projector with any item Avoid volatile liquids Moisture condensationDisposal Lead, which is contained in solder Mercury, which is used in the lampOverview Shipping contentsSome of the accessories may vary from region to region Remote controlCeiling mounting the projector Replacing the remote control batteriesRemote control effective range 8 Overview High picture quality Projector featuresHigh brightness Vivid color reproductionSee Connecting with video equipment on page 19 for connection details Projector exterior viewFront and upper side view Rear and lower side viewControl panel Controls and functionsRemote control Choosing a location Positioning your projectorObtaining a preferred projected image size How to determine the recommended screen size for a given distanceDiagonal Projection dimensionsHeight Widthinch Vertical offsetLowest Installation for a 43 ratio screenImage lensImage Preparations Connecting with video equipmentConnecting HDMI devices 20 Positioning your projector Connecting component-video devicesConnecting S-Video or video devices Connect the projector to a computer with a VGA cable Connecting a computerTurning the projector on Using the projectorENTER Fine-tuning the image size and claritySelecting an input source Securing the projector Using the menusUsing a security cable lock Setting a password Utilizing the password functionIf you forget the password Input Password page displaysChanging the password Entering the password recall procedureDisabling the password function 26 Using the projectorCorrecting picture distortion Adjusting the projected imageAdjusting the projection angle Selecting a preset mode Using the preset and user modesFine-tuning the selected picture mode Setting the User 1/User 2/User 3 modeResetting the picture mode Fine-tuning the picture qualityAdjusting Brightness Adjusting ContrastAdjusting Tint Adjusting ColorAdjusting Sharpness Selecting a color temperatureSetting Black Level Advanced picture quality controlsSetting a preferred color temperature Controlling image clarityColor Management Selecting a Gamma settingAdjusting Brilliant Color among Red , Green , Blue , Cyan , Magenta and Yellow Setting Film ModeSetting 3D Comb Filter Adjusting the sound level Adjusting the soundTurning off the Power On/Off Ring Tone Muting the soundAbout the aspect ratio Selecting the aspect ratioOSD menus can be displayed on those unused black areas Magnifying and searching for detailsOperating in a high altitude environment Watching 3D contentConnecting 3D video devices Using the 3D menusStop watching 3D content if you feel fatigue or discomfort Take appropriate breaks when watching 3D contentTurning the projector off Personalizing the projector menu displayLocking control keys Preset Mode On-Screen Display OSD menusOn-Screen Display OSD structure Cinema/Dynamic/Standard/User 1/User 2/User 3/3DBasic System SetupAdvanced InformationPicture menu Display menu Audio Setup menuSystem Setup Basic menu Reset Lamp Timer System Setup Advanced menuResetting the lamp timer on page 51 for details Closed Caption EnableThis menu shows you the current operating status of the projector Information menuCare of the projector Additional informationExtending lamp life Lamp informationGetting to know the lamp hour Replacing the lamp Timing of replacing the lampInstall a new lamp for optimal performance. If the projector is until the next hour lamp warning appears3. Remove the lamp cover from the projector Disconnect the lamp connector from the projectorLoosen the screw that secures the lamp Lift the handle so that it stands upResetting the lamp timer Powering up IndicatorsThe projector needs to cool for 90 seconds after the power PowerThe intake ventilation or the exhaust ventilation is The internal temperature is too highblocked The projector may be in a poorly ventilated locationswitched on. See page Troubleshootingring. See page necessary. See pageOptical SpecificationsElectrical MechanicalCeiling mount screws M6 x 8 Max. L = 8 mm Unit mm127.7 76.5102.84 74.5133.97 253.47XGA60 FrequencyXGA120 BenQ NotebookSupported timing for 3D signal with Top-Bottom and Side-by-Side format XGA60 Refresh rate Hz Supported timing for 3D signal with Side-by-Side formatH. Freq. KHz Pixel Freq. MHzSupported timing for EDTV and HDTV via Component inputs 62 Using the projectorSupported timing for Video and S-Video inputs NTSCWarranty Warranty and Copyright informationCopyright Disclaimer

Green

The internal temperature is too high.

• The intake ventilation or the exhaust ventilation is

blocked.

• The projector may be in a poorly ventilated location.

• The ambient temperature may be too high.