BenQ PB2250 user manual Safety instructions

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Safety instructions

1.The lamp becomes extremely hot during operation. Allow the projector to cool for approximately 45 minutes prior to removing the lamp assembly for replacement.

2.Do not operate lamps beyond the rated lamp life. Excessive operation of lamps beyond the rated life could cause them to break on rare occasions.

3.Never replace the lamp assembly or any electronic components unless the projector is unplugged.

4.Do not place this product on an unstable cart, stand, or table. The product may fall, sustaining serious damage.

5.To reduce the risk of electric shock, do not disassemble this appliance. Take it to a qualified technician when service or repair is required. Incorrect reassembly can cause malfunction of the projector or electric shock when the appliance is subsequently used.

6.This product is capable of displaying inverted images for ceiling mount installation. Please use BenQ’s Ceiling Mounting Kit for mounting the unit and ensure it is securely installed.

2 Important safety instructions

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Contents Welcome Copyright DisclaimerTable of Contents Temperature information Iv Table of ContentsSupported timing for Component-YPbPr Input Important safety instructions But could fail if power cuts or surgesImportant safety instructions Safety instructions Using the unit when it is not fully Locations near fire alarmsLocations with an ambient temperature Bedding or any other soft surfaceSafety instructions Projector features IntroductionIntroduction Shipping contents Rear side Projector exterior viewFront / Upper side Bottom sideControls and functions External control panelRemote control description Functions DescriptionsRemote control effective range Installing or replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size Focus ring Zoom ringScreen size chart 43 aspect ratio Screen size chart 169 aspect ratioConnecting to a laptop or desktop computer ConnectionConnection Video devices Connecting equipment to the Component Video inputConnecting Video and S-Video devices Video cable Audio cable ConnectionVideo devices Video cable Operation Utilizing the password functionSwitch all of the connected equipment on Start upIf you forget the password Auto-adjusting the image Adjusting the imageAdjusting the height Fine-tuning the image size and clarityOn the remote control Correcting keystoneSwitching input signals Hiding the imageShutdown Menu operation Menu systemUsing the menus Picture menu Pro-Picture menu Setting menu Advance menu Source ResolutionInformation Menu Lamp HourMaintenance Care of the projectorLamp information Replacing the lampMessage Status Do not turn the power on with the lamp cover removed Light Status & Description Power Temp Lamp Power events Temperature informationIndicators Stand-by modeLamp events Thermal eventsAlternative accessories vary by regions Service informationAccessories included in the standard package Optional accessories not included in the standard packageMake sure that it is switched on TroubleshootingPlug the power cord into the AC inlet on Cause RemedySpecifications Projector specificationsDimensions Supported timing for Component-YPbPrInput Timing chartSupported timing for PC input Supported timing for Video and S-Video inputsWarranty Limited warrantyWarranty EEC statement Regulation statementsFCC statement MIC statement