BenQ MX620ST 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, you will need to manually correct it following ONE of these steps.

•Press / on the projector or remote


	control to display the Keystone correction page.
	control to display the Keystone correction page.
	Press	to correct keystoning at the top of			/ .					/ .
	Press	to correct keystoning at the top of		Press				Press
	the image. Press		to correct keystoning at	Press				Press
	the image. Press		to correct keystoning at

the bottom of the image.

•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 appears.

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

20 Operation

Image 20

Contents MS619ST/MX620ST/MW621ST Table of contents Important safety instructions Safety InstructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Projector features IntroductionShipping contents Projector exterior view Front/upper side Rear/lower sideControls and functions Remote control Remote control effective range Replacing the remote control batteriesPositioning your projector Choosing a locationFront Table Front CeilingProjection dimensions Obtaining a preferred projected image sizeScreen size Distance from screen mm Diagonal LengthMW621ST Connection Connection Connecting video source devices Connecting audio Terminal name Terminal appearance BestOperation Starting up the projectorAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Using the menus Below is the overview of the OSD menuUsing a security cable lock Utilizing the password functionSetting a password Highlight Change Security Settings and press MODE/ENTERChanging the password If you forget the passwordEntering the password recall procedure Switching input signal Disabling the password functionMagnifying and searching for details Changing Color SpaceSelecting the aspect ratio About the aspect ratio MS619ST/ MW621STUsing Wall Color Selecting a picture modeSetting the User 1/User 2 mode Go to the Picture Picture Mode menuSelecting a Color Temperature Fine-tuning the image quality in user modesAdjusting Brilliant Color Setting a preferred color temperature 3D Color ManagementSelection Description Setting the presentation timerResetting current or all picture modes To cancel the timer, perform the following steps Remote paging operationsFreezing the image Top-Left Bottom-Left Top-Right Bottom-RightTo activate the High Altitude Mode Hiding the imageLocking control keys Operating in a high altitude environmentAdjusting the sound Using the test patternAdjusting the sound level Turning off the Power On/Off Ring ToneUsing the teaching templates To select Blackboard or WhiteboardPresenting from a USB Reader Direct power off Shutting down the projectorMain menu Sub-menu Options Menu operationMenu system Basic Advanced Description of each menu 3D Sync Invert Apply 3D SettingsTeaching Template Description Picture menu Function Description Picture Mode TemperatureReference ModeFine Tuning 3D Color Reset PictureSettings Quick Auto TimerSystem Setup Basic menu Function Description OperationRemote ReceiverSystem Setup Advanced menu Function Description High AltitudeAudio LampReset All StandbyNetwork CurrentMaintenance Care of the projectorExtending lamp life Lamp informationGetting to know the lamp hour Timing of replacing the lamp Status MessageReplacing the lamp Maintenance Resetting the lamp timer Indicators Light Status & Description Power eventsLamp events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Ceiling mount installationTiming chart Supported timing for PC inputSupported timing for Hdmi Hdcp input KHzSupported timing for Component-YPbPrinput TimingSupported timing for Video and S-Video inputs Warranty and Copyright information Limited warrantyCopyright Disclaimer