BenQ MW82IST 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.

•Using the remote control

	Press	/	on the projector or remote
	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 the			/ .					/ .
	Press	to correct keystoning at the top of the		Press				Press
	image. Press		to correct keystoning at the	Press				Press
	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 displays.

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

20 Operation

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Contents MW821ST 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 sizeConnection ConnectionPlaying sound through the projector Connecting video source devicesConnecting audio About the microphone input DeviceOperation Starting up the projectorAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image clarityCorrecting keystone Using the menus Below is the overview of the OSD menuUsing a security cable lock Utilizing the password functionSetting a password If you forget the passwordDisabling the password function Entering the password recall procedureChanging the password Switching input signal Changing Color SpaceMagnifying and searching for details Selecting the aspect ratioAbout the aspect ratio Using 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 environmentTurning off the Power On/Off Ring Tone Adjusting the soundUsing the test pattern Using the teaching templates To select Blackboard or WhiteboardDirect power off Shutting down the projectorMain menu Sub-menu Options Menu operationMenu system Sleep Timer Disable/30 min/1 hr/2 hr/3 hr/4 Hr/8 hr/12 hr BasicBottom-Right/Bottom-Left Min/25 min/30 minMain menu Sub-menu Options System Setup Advanced Equivalent Lamp HourIP Address Color SystemDescription of each menu Picture Mode TemperatureColor Temperature Fine Tuning 3D ColorTimer InstallationSettings SearchSystem Setup Basic menu Function Description OperationRemote ReceiverSystem Setup Advanced menu Function Description High AltitudeAudio LampSystem Setup Advanced menu Function Description Reset AllStandby NetworkStatus CurrentSystem Maintenance Care of the projectorExtending lamp life Lamp informationGetting to know the lamp hour Timing of replacing the lamp Status MessageReplacing the lamp Connect the power and restart the projector Resetting the lamp timer Indicators Light Status & Description Power eventsLamp events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Wall mount installationMinimum Ceiling Height mm = f + H + b + 60 + 274+ c Wall plateTiming chart Supported timing for PC inputSupported timing for Hdmi Hdcp input KHzTiming Supported timing for Component-YP bP r inputSupported timing for Video and S-Video inputs Warranty and Copyright information Limited warrantyCopyright Disclaimer