BenQ MP782 ST user manual Troubleshooting

Page 61

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

Plug the power cord into the AC power jack on

There is no power from the power

the projector, and plug the power cord into the

cord.

power outlet. If the power outlet has a switch,

 

make sure that it is switched on.

Attempting to turn the projector on

Wait until the cooling down process has

again during the cooling process.

completed.

No picture

 

 

 

Cause

Remedy

The video source is not turned on or

Turn the video source on and check that the

connected correctly.

signal cable is connected correctly.

The projector is not correctly

Check the connection.

connected to the input signal device.

 

The input signal has not been

Select the correct input signal with the

SOURCE key on the projector or remote

correctly selected.

control.

 

The lens cover is still closed.

Open the lens cover.

Blurred image

 

 

 

Cause

Remedy

The projection lens is not correctly

Adjust the focus of the lens using the focus

focused.

ring.

The projector and the screen are not

Adjust the projection angle and direction as

aligned properly.

well as the height of the projector if necessary.

The lens cover is still closed.

Open the lens cover.

Remote control does not work

 

 

 

Cause

Remedy

The batteries are out of power.

Replace the batteries with new ones.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

You are too far away from the

Stand within 8 meters (26 feet) of the

projector.

projector.

The password is incorrect

 

 

 

Cause

Remedy

You do not remember the password.

Please see "Entering the password recall

procedure" on page 28 for details.

 

Troubleshooting 61

Image 61
Contents MP782 ST Digital Projector WelcomeTable of contents Safety Instructions Important safety instructionsRefer servicing to qualified service personnel Important safety instructionsSafety Instructions Locations with an ambient temperature Locations near fire alarmsLocations where the altitudes are higher Confined. Allow at least 50 cm clearanceIt from the power supplys power outlet InstalledServiced Do not step on the projector or placeIntroduction Projector featuresIntroduction Shipping contents Front/upper side Rear/lower side Projector exterior viewLamp cover External control panel Projector Controls and functionsRemote control Operating the Laser pointer Auto ModeToggles projector audio between on and off Locks the keys on the projectorReplacing the remote control batteries Remote control effective rangeApprox.+15 Choosing a location Positioning your projectorFront Table Front CeilingObtaining a preferred projected image size Page A1 a A2 a Projection dimensionsDiagonal Height Width From screen Offset Inches 762 B2 a B1 aDistance Diagonal Height Width From screen Offset InchesConnection Connecting a computer Connecting a computer or monitorConnecting a monitor To connect the projector to a notebook or desktop computerConnecting audio Connecting video source devicesConnecting a DVI-D device Connecting a Component Video source deviceTo connect the projector to a DVI-D device To connect the projector to a Component Video source deviceTo connect the projector to an S-Video/Video source device Connecting an S-Video/Composite Video source deviceStarting up the projector OperationAdjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image clarityFollowing example describes how to set the OSD language Using the menusUse / to highlight the System Setup Basic menu Utilizing the password function Using a security cable lockSetting a password Securing the projectorEntering the password recall procedure If you forget the passwordChanging the password Write down the number and turn off your projectorCorrecting keystone Disabling the password functionBottom of the image Operation Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Selecting a picture mode Using Wall ColorSetting the User 1/User 2 mode Go to the Picture Picture Mode menuFine-tuning the image quality in user modes Selecting a color temperature Adjusting Brilliant ColorAbout color temperatures 3D Color ManagementPresentation Timer Setting the presentation timerSelection Description How to use the Timer On key? To cancel the timer, perform the following stepsUsing the remote control Top-Left Bottom-Left Top-Right Bottom-RightHiding the image Freezing the imageGo to the System Setup Basic Panel Key Lock Utilizing FAQ functionLocking control keys To exit the OSD menu, press MENU/EXITAdjusting the sound level Adjusting the soundTurning on the Power On/Off Ring Tone Operating in a high altitude environmentPersonalizing the projector menu display Configuring the Lan Control SettingsControlling the projector through a Lan environment If you are in a Dhcp environmentControlling the projector remotely through a web browser Ii. To switch input signal, click on your desired signalIf you are in a non-DHCP environment Iiii Iiiv Shutting down the projector Menu system Menu operationMain menu Sub-menu Options BasicAdvanced Control By RJ45/RS232 Closed Caption On/Off Enable Caption VersionProjector IP Lan Control AddressDescription of each menu Temperature Picture menu Function Description Picture ModeSave Settings ReferenceTimer System Setup Basic menu Function Description Quick AutoSettings Auto PowerCooling System Setup Advanced menu Function Description QuickHigh AltitudeReset All System Setup Advanced menu Function DescriptionClosed CaptionCurrent Features ServiceSystem StatusCare of the projector MaintenanceSetting Auto Power Off Setting Lamp Mode as EconomicLamp information Getting to know the lamp hourStatus Message Timing of replacing the lampLoosen the screws that secure the lamp Replacing the lampRemove the lamp cover from the projector Tighten the screw that secures the lamp Resetting the lamp timer Connect the power and restart the projectorTighten the screws that secure the lamp cover Light Status & Description Power events IndicatorsLamp events Thermal eventsTroubleshooting Projector specifications SpecificationsMm W x 127.87 mm H x 252 mm D DimensionsCeiling Mount screw M4 x 8 Max L = 8 mm Unit mmSupported timing for PC input Timing chartSupported timing for DVI-D & Hdmi Hdcp input Supported timing for Component-YPbPrinput Signal FormatSupported timing for Video and S-Video inputs Limited warranty Warranty and Copyright informationCopyright DisclaimerFCC statement Regulation statementsEEC statement Weee directive

MP782 ST specifications

The BenQ MP782 ST is a versatile short-throw projector designed to enhance presentations and multimedia experiences in both classroom and corporate settings. This projector stands out for its high-definition display capabilities, compact design, and user-friendly features.

One of the key features of the MP782 ST is its short-throw projection technology. The projector can produce a large image from a short distance, allowing users to place it close to the wall or screen while still achieving a screen size of up to 100 inches. This makes it ideal for smaller rooms where space can be a constraint. The ability to project in tight spaces means that the audience can be closer to the image without the risk of casting shadows or obstructing the view.

In terms of image quality, the MP782 ST boasts a native resolution of 1280x800 (WXGA) and a brightness level of 3000 ANSI lumens. This combination ensures that images and presentations are clear and vibrant, even in well-lit environments. Additionally, the projector features a contrast ratio of 4000:1, allowing for deeper blacks and more vivid colors, which enhances the overall visual experience.

The MP782 ST is equipped with several advanced technologies that contribute to its impressive performance. Its SmartEco technology optimizes lamp power and extends the lifespan of the lamp up to 6000 hours, reducing maintenance costs and ensuring reliability during long presentations. Furthermore, the projector utilizes BrilliantColor technology, which enhances color accuracy and delivers more realistic images across various media types.

Connectivity is another strong suit of the BenQ MP782 ST. It features multiple input options, including HDMI, VGA, and USB, making it compatible with a variety of devices such as laptops, Blu-ray players, and document cameras. This versatility allows users to seamlessly integrate the projector into their existing technology setup.

The design of the MP782 ST also includes practical features for ease of use. It has a low fan noise level, ensuring that it operates quietly during presentations. Additionally, its lightweight construction makes it easily portable, allowing for flexibility in different settings, whether it be a classroom, conference room, or training facility.

Overall, the BenQ MP782 ST is a dynamic projector that combines short-throw technology, high brightness, and robust connectivity options to deliver a reliable and impressive presentation experience. Its thoughtful design and advanced features make it a strong choice for educators and business professionals alike, facilitating engaging and effective communication.