BenQ CP120C user manual Remote control does not work

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Remote control does not work.

	Cause	Remedy

	The battery is out of power.	Replace the battery with a new one.

	There is an obstacle between the	Remove the obstacle.
	remote control and the projector.	Remove the obstacle.
	remote control and the projector.

	You are too far away from the	Stand within 6 meters (~ 20 feet) of the
	projector.	projector.

44 Troubleshooting

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Contents Welcome Copyright DisclaimerTable of Contents Fine-tuning the image size and clarity Iv Table of ContentsTable of Contents Memo Vi Table of Contents Important safety instructions Important safety instructionsBut could fail if power cuts or surges Safety instructions Bedding or any other soft surface Do not block the ventilation holesFollowing environments Do not place this unit on a blanket Other itemSafety instructions Introduction Projector featuresIntroduction Shipping contents Rear side Projector exterior viewFront / Upper side Lower sideTurns the projector on or off Controls and functionsExternal control panel Adjusts the focus of the projected image Selects one of the application modesRemote control description Freeze buttonRemote control effective range Installing or replacing the remote control batteryObtaining a preferred projected image size Positioning your projectorChoosing a location EquipmentSelect your screen size Positioning your projector Screen Center of lens Projection distance Screen size chartMaximum Minimum Zoom Connection Connecting a computerConnection Connecting Video source devices Best video qualityConnecting a Component Video source device Component Video to VGA D-Sub adaptor cable DeviceConnecting an S-Video source device Video cable DeviceConnecting a composite Video source device Start up Using the projectorUsing the projector If you forget the password Utilizing the password functionTo set a password To change the password Adjusting the heightTo enter the password recall procedure That you need using the zoom ring Focus ring Auto-adjusting the imageFine-tuning the image size and clarity Correcting keystoneMovie default Cinema Photo Gaming Using the projector Selecting an application modeBrightest Presentation Default SRGB/Photo Gaming Video Automatic keystone correctionRemote paging operations Switching input signalHiding the image Freezing the imageDisconnect the power cord from the wall socket ShutdownMenu operation Menu systemUsing the menus Picture menu Color Temp Selected Application ModeKeystone Depends onPro-Picture menu Setting menu Advance menu Economic Turned off. Selecting Off disables this functionAuto Off Off Periods of time 10hours without shutdownInformation Menu ResolutionMode Equivalent SourceMaintenance Care of the projectorCalculation of lamp hour Message StatusReplacing the lamp Temperature information Resetting the lamp counterStand-by mode IndicatorsProjector needs to cool after the power is Turned off Powering upMaintenance No picture TroubleshootingProjector does not turn on Image is unstableRemote control does not work Specifications Projector specificationsHorizontal Vertical Pixel Resolution Frequency Mode KHz MHz DimensionsTiming chart Supported timing for PC inputSupported timing for Video and S-Video inputs Signal Format Horizontal Frequency Vertical Frequency KHzSupported timing for Component-YPbPrInput Warranty WarrantyLimited warranty EEC statement Regulation statementsFCC statement Ices Statement CanadaMemo Regulation statements