BenQ PB8253 Switching input signal, Adjusting the projected image, Adjusting the projection angle

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Switching input signal

The projector can be connected to multiple devices at the same time. However, it can only display one full screen at a time. To cycle through the available input sources, press SOURCE on the projector or remote control. The selected source name will display in the lower right corner of the screen for 3 seconds after each button press.

The projector features PIP function which allows 2 different signals to be displayed at the same time. See "PIP (Picture In Picture) operation" on page 39 for details.

The brightness level of the projected image will change accordingly when you switch between

different input signals. Data (graphic) "PC" presentations using mostly static images are generally brighter than "Video" using mostly moving images (movies). When switching between different signal inputs, you will need to adjust the ambient lighting conditions for the best picture quality.

The input type affects the options available for the Preset Mode. See "Selecting a preset mode" on page 35 for details.

Adjusting the projected image

Adjusting the projection angle

The projector is equipped with 2 quick-release adjuster feet and 2 rear adjuster feet. These adjusters change the image height and projection angle. To adjust the projector:

1.Press the quick-release buttons and lift the

front of the projector. Once the image is positioned where you want it, release the quick-release buttons to lock the front adjuster feet in position.

Do not look into the lens while the lamp is on. The strong light from the lamp may cause damage to your eyes.

Be careful when you press the adjuster buttons as

they are close to the exhaust vent where hot air comes from.

2.Screw the rear adjuster feet to fine tune the

horizontal angle.

To retract the foot, hold up the projector while pressing the quick-release buttons, then slowly lower the projector. Screw the rear adjuster feet in a reverse direction.

If the screen and the projector are not perpendicular to each other, the projected image becomes vertically trapezoidal. To correct this situation, adjust the value of Keystone in the

Display menu, on the projector control panel, or on the remote control. See "Correcting keystone" on page 34 for details.

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Contents Welcome Disclaimer CopyrightTable of contents Temperature information Safety Instructions Important safety instructionsSafety Instructions Allow at least 50 cm clearance from walls Locations near fire alarmsLocations with an ambient temperature Bedding or any other soft surfaceSafety Instructions Introduction Projector featuresIntroduction Shipping contents Lower view Projector exterior viewFront/upper side Rear/side viewConnector panel Projector Controls and functionsRemote control Mode LED indicator lightVolume + PIP POSCeiling front Floor front Remote control effective rangeRemote control batteries Ceiling rearChoosing a location Positioning your projectorSafety instructions for ceiling mounting of the projector Obtaining a preferred projected image size Page 1500 Maximum zoom Minimum zoomScreen Center of lens Projection distance 1219Connecting a computer Connecting a computer or monitorConnection Connection With a VGA cable With a VGA to DVI-A cable Connecting a monitorVGA to DVI-A Better video quality Connecting Video source devicesConnecting Audio Best video qualityMute on page 45 for details Connecting a DVI source deviceConnecting a Component Video source device Connecting an S-Video source device Connecting a composite Video source device Operation Power onStart up Adjusting the projected image Switching input signalAdjusting the projection angle Searching for details on the image Auto-adjusting the imageFine-tuning the image size and clarity Any problems?Scales an image so that it is displayed in the center Selecting the aspect ratioCorrecting keystone Optimizing the imageFor example PC/DVI-A Signal Input Selecting a preset modeYPbPr/YCbCr/DVI-D/S-Video/Video Signal Input Selecting a color temperature Other adjustmentsAdjusting brightness Adjusting contrastPersonalizing the projector menu display Operating in a high altitude environmentFreezing the image Using the laser pointer in the presentationHiding the image Remote paging operationsPIP Picture In Picture operation Operation on the remote controlOperation in the OSD menus Shutting down the projector OSD menu system On-Screen Display OSD menu operationPressing Left/ Right on the projector or remote control Using the menusDisplay menu Display menu Image menu Treble VolumeSource menu MirrorControl menu PIP menu Care of the projector MaintenanceRear filter Front filter11, and the other is on the left side see item 16 on Lamp information Use and replacement of the lampReplacing the lamp Temperature information Projector is under normal operation IndicatorsStand-by mode IllustrationPower Temp Lamp Thermal events No picture TroubleshootingRemote control does not work Projector does not turn onRemote mouse function does not work Projector specifications SpecificationsSupported timing for PC including DVI-I input DimensionsTiming chart Horizontal Vertical Pixel Resolution Frequency Mode KHz MHzSupported timing for Component-YPbPrinput Signal Format Horizontal Frequency Vertical Frequency KHzSupported timing for Video and S-Video inputs Limited Warranty WarrantyMIC statement Regulation StatementsFCC statement EEC statement