BenQ MP770 Switching input signal, Adjusting the projected image, Adjusting the projection angle

Page 34

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. A source selection bar displays. You

can manually press SOURCE repeatedly until your desired signal is selected or let the projector automatically search for the available signal. Once detected, the selected source information will display at the upper left corner of the screen for 3

seconds. If there is multiple equipment connected to

the projector, you can press the button again to search for another signal.

Be sure the Auto Source Detection function in the SOURCE menu is activated if you want the projector to automatically search the signals. See "Auto Source Detection" on page 49 for details.

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 41 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).

The input signal type effects the options available for the Application Mode. See "Selecting an application mode" on page 38 for details.

Adjusting the projected image

Adjusting the projection angle

The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. These adjusters change the image height and projection angle. To adjust the projector:

1.Press the quick-release button and lift the front of the projector. Once

the image is positioned where you want it, release the quick-release button to lock the foot 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 button as it is close to the exhaust vent where hot air comes from.

2.Screw the rear adjuster foot to fine tune the horizontal angle.

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

If the projector is not placed on a flat surface or the screen and the projector are not perpendicular to each other, the projected image becomes trapezoidal. To correct this situation, adjust the value of Keystone in the DISPLAY menu, on the projector control panel, or remote control. See "Correcting keystone" on page 35 for details.

34 Operation

Image 34
Contents Welcome Copyright DisclaimerTable of contents Troubleshooting Specifications Future reference Projector lamp is on Important safety instructionsRefer servicing to qualified service personnel Do not look straight at the projectorSafety Instructions 10000 Feet Important safety instructions Bedding or any other soft surfaceSafety Instructions Introduction Projector featuresIntroduction Shipping contents Front/upper side Projector exterior viewRear side Controls and functions ProjectorLamp indicator light AutoRemote control Mode LED indicator lightPIP MuteRemote control batteries Remote control effective rangeFront Rear Positioning your projector Choosing a locationSafety instructions for ceiling mounting of the projector Obtaining a preferred projected image size Page Projection dimensions Connection Wireless connection optionalConnecting a computer or monitor Cable connectionVGA With a VGA cable With a VGA to DVI-A cable Socket, not the DVI-I socketBetter video quality Connecting Video source devicesBest video quality Least video qualityConnecting a DVI source device Connecting AudioAV device DVI-D or DVI-I cable Audio Audio Cable cable1080i 50/ 60 Hz Connecting an S-Video source device To connect the projector to an S-Video source deviceConnecting a composite Video source device Start up OperationOperation If you forget the password Utilizing the password functionSetting a password Up , Right, Down, Left respectivelyChanging the password Entering the password recall procedureDisabling the password function Adjusting the projection angle Switching input signalAdjusting the projected image Remote control. a source selection bar displays. YouSearching for details on the projected image Auto-adjusting the imageFine-tuning the image size and clarity Correcting keystoneControl. Go to the Display Keystone menu You are satisfied with the shapeSelecting the aspect ratio Go to the Picture Application Mode menu Selecting an application modeSetting the User 1/User 2 mode Optimizing the imageAdjusting contrast Fine-tuning the image quality in user modesAdjusting brightness Selecting a color temperatureOperating in a high altitude environment Other adjustmentsHiding the image PIP Picture In Picture operation Freezing the image Remote paging operationsCreating your own startup screen Press Personalizing the projector menu displayShutting down the projector Message will disappearPC source Brightest Menu operationMenu system Video source Cinema/MovieBasic Information ResolutionAdvanced Using the menus Use Left/ Right to select the Display menuDisplay menu Picture menu Source menu System setup Basic menu System setup Advanced menu Information menu Mode ResolutionLamp Timer SourceMaintenance Care of the projectorTo clean the filter Clean the Air FilterReplacing the filter sponge Check the Air FilterLamp information Calculation of lamp hourReplacing the lamp Out of Lamp Usage TimePage Tighten the screw that secures the lamp Temperature informationRestart the projector Powering up IndicatorsStand-by mode IllustrationLight Status & Description Power Temp Lamp Thermal events Plug the power cord into the AC inlet on Make sure that it is switched onRemote mouse function does not work Specifications Projector specificationsSupported timing for Component-YPbPrinput Timing chartSupported timing for PC including DVI-I input Supported timing for Video and S-Video inputsDimensions Mm W x 94 mm H x 230 mm D 298 Unit mm SpecificationsWarranty Limited warrantyEEC statement Regulation statementsFCC statement MIC statement
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