BenQ MX761 user manual Correcting keystone

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Correcting keystone

Keystoning refers to the situation where the projected image is noticeably wider at either the top or bottom. It occurs when the projector is not perpendicular to the screen.

To correct this, besides adjusting the height of the projector, if you want the projector to automatically correct image keystoning, be sure the Auto Keystone function in the DISPLAY menu is On.

Or you will need to manually correct it following ONE of these steps.

•Using the remote control


	Press	/	on the projector or remote control
	Press	/	on the projector or remote control
	to display the Keystone correction page. Press			to
	to display the Keystone correction page. Press			to
	correct keystoning at the top of the image. Press
	correct keystoning at the top of the image. Press			Press	/ .			Press			/ .
	to correct keystoning at the bottom of the image.			Press	/ .			Press			/ .

•Using the OSD menu

1.Press MENU/EXIT and then press / until the DISPLAY menu is highlighted.

2.Press to highlight Keystone and press MODE/ENTER. The Keystone correction page is displayed.

3.Press to correct keystoning at the top of the image. Press to correct keystoning at the bottom of the image.

Operation 23

Image 23

Contents MX760/MX761 Digital Projector WelcomeTable of contents Important safety instructions Important safety instructionsSafety Instructions Refer servicing to qualified service personnelSafety Instructions Confined. Allow at least 50 cm clearance Locations near fire alarmsLocations with an ambient temperature Locations where the altitudes are higherDo not step on the projector or place InstalledIt from the power supplys power outlet ServicedIntroduction Projector featuresIntroduction Shipping contents Rear/lower side Projector exterior viewLeft Power indicator lightFocus ring Zoom ringKeystone/Arrow buttons / Up Down Remote controlTest AutoNumeric buttons Operating the Laser pointerMute MIC/VOL +Approx.+15º Remote control effective rangeReplacing the remote control batteries Front Ceiling Positioning your projectorChoosing a location Front TableObtaining a preferred projected image size Projection dimensionsShifting the projection lens When the projector position is fixedVideo cable Hdmi cable Connection ConnectionBest Connecting video source devicesConnecting audio Terminal name Terminal appearanceDevice Playing sound through the projectorAbout the microphone input Page Operation OperationStarting up the projector Fine-tuning the image size and clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageCorrecting keystone Use / to highlight the System Setup Basic menu Using the menusFollowing example describes how to set the OSD language Highlight Change Security Settings and press MODE/ENTER Using a security cable lockUtilizing the password function Setting a passwordWrite down the number and turn off your projector If you forget the passwordEntering the password recall procedure Changing the passwordDisabling the password function Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsScreen with a 169 aspect ratio Projectors native resolution in its Displayed in the centerAdjustments About the aspect ratioGo to the Picture Picture Mode menu Using Wall ColorSelecting a picture mode Setting the User 1/User 2 modeFine-tuning the image quality in user modes Range at 0, only pure red in the projected Press To highlight Saturation and adjust itsEvery adjustment made will reflect to 3D Color ManagementSelection Description Setting the presentation timerTo cancel the timer, perform the following steps Count Up Increases from 0 to the preset time Count DownHiding the image Utilizing FAQ functionRemote paging operations Freezing the imageOperating in a high altitude environment To activate the High Altitude ModeUsing the remote control Locking control keysTurning off the Power On/Off Ring Tone Adjusting the soundAdjusting the sound level Adjusting the microphone volumeIf you are in a non-DHCP environment Controlling the projector through a LAN environmentCable connection If you are in a Dhcp environmentHighlight Wireless LAN and press MODE/ENTER Wireless connectionControlling the projector remotely through a web browser Page Page Iii Operation Page Operation Page Displaying images through Q Presenter Downloading and installing Q PresenterUsing Q Presenter Operation Operation Presenting from a USB Reader Shutting down the projector Direct power offOnce the cooling process finishes, a Power Off Ring Basic Menu operationMenu system Main menu Sub-menu OptionsAdvanced Advanced Network Description of each menu Display menu Picture menu Function Description Teaching Picture ModeTemperature Management Save SettingsSearch System Setup Basic menu Function Description Quick AutoTimer SettingsLock Settings Security DescriptionPanel Key BackgroundTest Pattern System Setup Advanced menu Function DescriptionReset All Baud RateStatus Features ServiceCurrent SystemCare of the projector MaintenanceGetting to know the lamp hour Setting Lamp Mode as EconomicSetting Auto Power Off Lamp informationStatus Message Timing of replacing the lampReplacing the lamp Tighten the screw that secures the lamp Tighten the screw that secures the lamp cover Connect the power and restart the projectorResetting the lamp timer Thermal events IndicatorsLight Status & Description Power events Lamp eventsTroubleshooting Projector specifications SpecificationsUnit mm DimensionsMm W x 128 mm H x 252 mm D Ceiling Mount screw M4 x 8 Max L = 8 mmSupported timing for PC input Timing chartSupported timing for Hdmi Hdcp input Horizontal Supported timing for Component-YPbPrinputSupported timing for Video and S-Video inputs TimingDisclaimer Warranty and Copyright informationLimited warranty CopyrightWeee directive Regulation statementsFCC statement for United States users EEC statement for European users