BenQ W770ST user manual Adjusting the projected image, Adjusting the projection angle

Page 27
Adjusting the projected image

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

2

1

 

projector. Once the image is positioned where you want it,

 

release the quick-release button to lock the foot in position.

 

 

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.

Adjusting the projection angle If the screen and the projector are not perpendicular to each other, the projected image becomes vertical trapezoidal. To correct this problem, see "Correcting picture distortion" on page 27 for details.

Correcting picture distortion

Keystoning occurs when the projector is not perpendicular to the screen and is where the projected picture displays visible as a trapezoid shape like either of the following:

Two parallel sides (left and right, or top and bottom) but is noticeably wider on either side.

No parallel sides.

To correct the picture’s shape, you can perform the following steps.

1.Adjust the projection angle. Move the projector to be in front of the center of the screen with the center of the lens level with the screen.

2.If the picture is stilled distorted, or the projector is unable to be positioned as described above, you will need to manually correct the picture.

Using the remote control or projector

i.Press one of the Arrow/Keystone keys on the remote control or projector (Up Correcting picture distortion /Manual background , DownManual background /

Manual background ) to display the Keystone page.

ii.See step iii below for further operation.

Using the OSD menu

i. Press MENU/EXIT and then press Manual background / Manual background until the Display menu is highlighted.

ii.Press Manual background to highlight Keystone and press MODE/ENTER. The keystone correction page displays.

iii.Press the key whose keystone icon is opposite to the shape of the projected picture. Continue pressing the same key or press the other keys until you are satisfied with the shape.

The values on the lower portion of the page change while pressing. When the values reach their maximum or minimum with repeated key presses, the picture’s shape will stop changing. You will not be able to change the picture further in that direction.

Press

Press

/ .

/ .

Using the projector

27

Image 27
Contents User Manual W750/W770ST Digital Projector Home Cinema SeriesPositioning your projector Table of contentsConnecting with video Warranty and CopyrightImportant safety instructions Do not cover the projector with any item Lead, which is contained in solder Mercury, which is used in the lamp Moisture condensationAvoid volatile liquids DisposalRemote control Shipping contentsOverview Some of the accessories may vary from region to regionReplacing the remote control batteries Remote control effective rangeCeiling mounting the projector 8 Overview Vivid color reproduction Projector featuresHigh picture quality High brightnessRear and lower side view Projector exterior viewSee Connecting with video equipment on page 19 for connection details Front and upper side viewControl panel Controls and functionsRemote control Choosing a location Positioning your projectorObtaining a preferred projected image size How to determine the recommended screen size for a given distanceWidth Projection dimensionsDiagonal Heightinch Vertical offsetlens Installation for a 43 ratio screenLowest ImageHeight Connecting with video equipment Connecting HDMI devicesPreparations Connecting component-video devices Connecting S-Video or video devices20 Positioning your projector Connect the projector to a computer with a VGA cable Connecting a computerTurning the projector on Using the projectorFine-tuning the image size and clarity Selecting an input sourceENTER Using the menus Using a security cable lockSecuring the projector Input Password page displays Utilizing the password functionSetting a password If you forget the password26 Using the projector Entering the password recall procedureChanging the password Disabling the password functionAdjusting the projected image Adjusting the projection angleCorrecting picture distortion Setting the User 1/User 2/User 3 mode Using the preset and user modesSelecting a preset mode Fine-tuning the selected picture modeAdjusting Contrast Fine-tuning the picture qualityResetting the picture mode Adjusting BrightnessSelecting a color temperature Adjusting ColorAdjusting Tint Adjusting SharpnessControlling image clarity Advanced picture quality controlsSetting Black Level Setting a preferred color temperatureSelecting a Gamma setting Adjusting Brilliant ColorColor Management Setting Film Mode Setting 3D Comb Filteramong Red , Green , Blue , Cyan , Magenta and Yellow Muting the sound Adjusting the soundAdjusting the sound level Turning off the Power On/Off Ring ToneAbout the aspect ratio Selecting the aspect ratioOSD menus can be displayed on those unused black areas Magnifying and searching for detailsUsing the 3D menus Watching 3D contentOperating in a high altitude environment Connecting 3D video devicesStop watching 3D content if you feel fatigue or discomfort Take appropriate breaks when watching 3D contentPersonalizing the projector menu display Locking control keysTurning the projector off Cinema/Dynamic/Standard/User 1/User 2/User 3/3D On-Screen Display OSD menusPreset Mode On-Screen Display OSD structureInformation System SetupBasic AdvancedPicture menu Display menu Audio Setup menuSystem Setup Basic menu Closed Caption Enable System Setup Advanced menuReset Lamp Timer Resetting the lamp timer on page 51 for detailsThis menu shows you the current operating status of the projector Information menuCare of the projector Additional informationLamp information Getting to know the lamp hourExtending lamp life until the next hour lamp warning appears Timing of replacing the lampReplacing the lamp Install a new lamp for optimal performance. If the projector isLift the handle so that it stands up Disconnect the lamp connector from the projector3. Remove the lamp cover from the projector Loosen the screw that secures the lampResetting the lamp timer Power IndicatorsPowering up The projector needs to cool for 90 seconds after the powerThe projector may be in a poorly ventilated location The internal temperature is too highThe intake ventilation or the exhaust ventilation is blockednecessary. See page Troubleshootingswitched on. See page ring. See pageMechanical SpecificationsOptical Electrical76.5 Unit mmCeiling mount screws M6 x 8 Max. L = 8 mm 127.7253.47 74.5102.84 133.97BenQ Notebook FrequencyXGA60 XGA120Supported timing for 3D signal with Top-Bottom and Side-by-Side format BenQ Notebook Pixel Freq. MHz Supported timing for 3D signal with Side-by-Side formatRefresh rate Hz H. Freq. KHzNTSC 62 Using the projectorSupported timing for EDTV and HDTV via Component inputs Supported timing for Video and S-Video inputsDisclaimer Warranty and Copyright informationWarranty Copyright