BenQ CP120 manual Correcting keystone, Manual keystone correction, Right buttons on

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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.

Manual keystone correction

To correct keystoning manually, you can perform the following steps.

1.	Adjust the projection angle of the
	projector.
2.	Press the Auto (or AUTO/CH.) button.
3.	If the image is still distorted, you will need
	to manually correct it following ONE of
	these steps.
•	Press the Keystone		/3Left or
	Keystone	/4Right buttons on the
	control panel of the projector to display the status bar labelled Keystone. Press the
	Keystone	/3Left button to correct keystoning at the top of the image. Press the
	Keystone	/4Right button to correct keystoning at the bottom of the image.

•Press the / buttons on the remote control to display the status bar labelled

Keystone, then press the button to correct keystoning at the top of the image or

press the button to correct keystoning at the bottom of the image.

•Press the MENU/6Down button on the projector or the MENU button on the remote

control. Go to Picture --> Keystone and adjust the values by pressing the

Keystone /3Left or Keystone /4Right buttons on the projector, or the

3Left or 4Right buttons on the remote control. For example,

Keystone 0

Keystone

1.Press the Keystone /3Left button on the projector or

2.Press the button on the remote control or

3.Press the Keystone /3Left button on the projector, or the3Left button on the remote control when you are in the Picture --> Keystone menu.

1.Press the Keystone /Right 4 button on the projector or

2.Press the button on the remote control or

3.Press the Keystone /Right 4button

0on the projector, or the 4 Right button on the remote control when you are in the Picture --> Keystone menu.

Keystone

Keystone

-6

+6

Using the projector

25

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Contents Welcome Copyright DisclaimerSoftware license agreement Copyright Memo Table of Contents Iv Table of Contents Fine-tuning the image size and clarityTable of Contents Dimensions Timing chartMemo Vi Table of Contents Important safety instructions But could fail if power cuts or surgesImportant safety instructions Safety instructions Following environments Do not place this unit on a blanket Do not block the ventilation holesBedding or any other soft surface Other itemSafety instructions Projector features IntroductionIntroduction Shipping contents Front / Upper side Projector exterior viewRear side Lower sideControls and functions External control panelTurns the projector on or off Introduction Adjusts the focus of the projected image Down on the remote control Remote control descriptionPress this button to display the Wireless Connection menu Turns the projector on or offInstalling or replacing the remote control battery Remote control effective rangeChoosing a location Positioning your projectorObtaining a preferred projected image size EquipmentSelect your screen size Positioning your projector Screen size chart Maximum Minimum ZoomScreen Center of lens Projection distance Connecting a computer ConnectionConnection Best video quality Connecting Video source devicesComponent Video to VGA D-Sub adaptor cable Device Connecting a Component Video source deviceVideo cable Device Connecting an S-Video source deviceConnecting a composite Video source device Switch all of the connected equipment on Using the projectorUsing the projector Start upTo set a password Utilizing the password functionIf you forget the password To enter the password recall procedureTo change the password Auto-adjusting the image Adjusting the heightFine-tuning the image size and clarity That you need using the zoom ring Focus ringCorrecting keystone Manual keystone correctionRight buttons on Switching input signal Selecting an application modeHiding the image Automatic keystone correctionRemote paging operations Disconnect the power cord from the wall socketFreezing the image ShutdownUsing the wireless functions About wireless connection modes and channelsHardware and software requirements Checking the TCP/IP settings of your computer Preparing your computer for wireless connectionInstalling Wireless Wizard Making wireless presentationClick to select a wireless network card from the list Current wireless connection channel Page Freezing image Controlling presentationMethod 2 Projector control DisconnectingMenu system Menu operationUsing the menus Picture menu Keystone Selected Application ModeColor Temp Depends onPro-Picture menu Setting menu Advance menu Auto Off Off Turned off. Selecting Off disables this functionEconomic Periods of time 10hours without shutdownMode Equivalent ResolutionInformation Menu SourceCare of the projector MaintenanceMessage Status Calculation of lamp hourReplacing the lamp Resetting the lamp counter Temperature informationProjector needs to cool after the power is Turned off IndicatorsStand-by mode Powering upMaintenance Projector does not turn on TroubleshootingNo picture Image is unstableUnable to use wireless connection Remote control does not workConfigured NearbyProjector specifications SpecificationsTiming chart DimensionsHorizontal Vertical Pixel Resolution Frequency Mode KHz MHz Supported timing for PC inputSignal Format Horizontal Frequency Vertical Frequency KHz Supported timing for Component-YPbPrInputSupported timing for Video and S-Video inputs Warranty Limited warrantyWarranty FCC statement Regulation statementsEEC statement MIC statementMemo Regulation statements