BenQ SP840 user manual How to determine the recommended screen size for a given distance, English

Contents SP840 Digital Projector User Manual WelcomeTable of contents Important safetyWarranty and Copyright EnglishImportant safety instructions Safety InstructionsSafety Instructions Continued 4 Important safety instructions12. Do not place this projector in any of the following environments Ceiling mounting the projector 6 Important safety instructionsProjector features IntroductionStandard accessories Shipping contentsOptional accessories Projector exterior view Front/upper sideProjector Controls and functionsSee Using the menus on page 26 for details Remote control See Auto-adjusting the image on page 30 for details Operating the LASER pointerSee Switching input signal on page 29 for details Remote control effective range Replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size Positioning your projectorHow to determine the recommended screen size for a given distance 16 Positioning your projectorSP840 projection dimensions 169 screendiagonal InchesConnecting a computer or monitor Connecting a computerConnections To connect the projector to a notebook or desktop computerConnecting a monitor To connect the projector to a monitorConnecting Video source devices Connecting AudioBest video quality Better video qualityConnecting HDMI source devices To connect the projector to an HDMI source deviceTo connect the projector to a Component Video source device Connecting Component Video source devicesTo connect the projector to an Audio source device To connect the projector to an S-Video source device Connecting S-Video source devicesS-Video Cable AV device Audio Cable To connect the projector to a composite Video source device Connecting Composite Video source devices24 Connections Operation Starting up the projectorUsing the menus Using a security cable lockSecuring the projector remote control to turn the OSD menu onSetting a password Utilizing the password functionIf you forget the password Entering the password recall procedure Changing the passwordDisabling the password function password next time the projector is startedSwitching input signal Changing Color SpaceAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image size and clarityUsing Auto Keystone Correcting keystoneKeystone function Selecting the aspect ratio Magnifying and searching for details32 Operation 4. Letter Box About the aspect ratio5. Real Optimizing the image Setting the User 1/User 2/User 3 modeSelecting a picture mode Fine-tuning the image quality in user modes Adjusting BrightnessAdjusting Contrast Adjusting ColorAdjusting Clarity Control Selecting a Color Temperature UserFine TuningSelecting a Color Temperature Selecting a Gamma SelectionSelecting a White Peaking Adjusting Brilliant Color3D Color Management Selecting Color Space Conversion Selecting a Video Format1. Go to the PICTURE Advanced menu and highlight 3D Color Management 2. Press MODE/ENTER and the 3D Color Management page displaysSelecting a Film Mode Remote paging operationsSelecting a 3D Comb Filter Locking control keys Setting the Sleep TimerHiding the image Adjusting the sound Freezing the imageOperating in a high altitude environment INPUT SOUCERAdjusting the sound level Adjusting the Treble levelAdjusting the Bass level Turning off the Power on/off Ring ToneControlling the projector through a Lan environment Configuring the Lan Control SettingsIf you are in a DHCP environment Controlling the projector remotely through a web browser If you are in a non-DHCP environmentii. To switch input source, click on your desired signal Personalizing the projector menu display Shutting down the projectorMenu operation Menu systemMain menu Sub-menuVolume Power on/offDisable/30 min/1 hr/2 hr/3 hr/4 hr/8 MuteEquivalent Lamp Hour Description of each menu for details Menu display time Menu position52 Operation Mute default setting DESCRIPTION default setting/valuevalue Maintenance Cleaning the lensCleaning the projector case Care of the projectorSetting Lamp mode as Economic Setting Auto Power OffLamp information Getting to know the lamp hourTiming of replacing the lamp See Setting Lamp mode as Economic on pageStatus MessageReplacing the lamp 58 Maintenance4. Loosen the screws that secure the lamp Resetting the lamp timer SETUP Advanced Lamp SettingsIndicators PowerPower events LightTroubleshooting Remote control does not workThe password is incorrect The projector does not turn onSpecifications Projector specificationsDimensions Ceiling Mount Installation132.4 254325Timing chart Supported timing for COMPUTER inputSupported timing for Component-YPbPr input EnglishSupported timing for Video and S-Video inputs Supported timing for HDMI HDCP input68 Specifications Warranty and Copyright information Limited warrantyCopyright DisclaimerRegulation statements FCC statementEEC statement WEEE directiveAccessibility Requirements for Rehabilitation Act of 1973, Section Regulation statements