BenQ SP870 user manual Troubleshooting

Page 49

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

Plug the power cord into the AC inlet on the projector, and

There is no power from the power cable.

plug the power cord into the power outlet. If the power

 

outlet has a switch, make sure that it is switched on.

Attempting to turn the projector on again during

Wait until the cooling down process has completed.

the cooling process.

 

No picture

Cause

Remedy

The video source is not turned on or connected

Turn the video source on and check that the signal cable

correctly.

is connected correctly.

The projector is not correctly connected to the

Check the connection.

input signal device.

 

The input signal has not been correctly selected.

Select the correct input signal with the SOURCE key on

 

the projector or remote control.

The lens cover is still closed.

Open the lens cover.

Blurred image

Cause

Remedy

The projection lens is not correctly focused.

Adjust the focus of the lens using the focus ring.

The projector and the screen are not aligned

Adjust the projection angle and direction as well as the

properly.

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 remote control

Remove the obstacle.

and the projector.

 

You are too far away from the projector.

Stand within 8 meters (26 feet) of the projector.

The password is incorrect

Cause

Remedy

You do not remember the password.

Please see "Entering the password recall procedure" on

page 25 for details.

 

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Contents SP870 Digital Projector WelcomeTable of contents With all windows rolled up Important safety instructionsCigarette smoke may contaminate optical 3000 m 10000 feetImportant safety instructions Ceiling mounting the projector Introduction Projector featuresShipping contents Rear/lower side Projector exterior viewSee Connection on page 16 for connection details Quick-release foot Projection lens Lens capProjector Controls and functionsStarts the FAQ function. See Utilizing FAQ Remote controlYour own timer setting. See Setting DetailsMaking the remote control a wired control Remote control effective rangeOperating the Laser pointer 22. D. Zoom +Choosing a location Positioning your projectorObtaining a preferred projected image size Select your screen size Zoom Projection dimensionsConnecting a computer Connecting a computer or monitorConnection To connect the projector to a notebook or desktop computerComputer using the D-SUB/COMP. Socket, not the DVI-Dsocket Connecting a monitorTo connect the projector to a monitor With a VGA cable With a VGA to DVI-A cableConnecting Audio Connecting Video source devicesBest video quality Better video qualityTo connect the projector to a DVI-D source device Connecting a DVI-D source deviceTo connect the projector to a Component Video source device Connecting a Component Video source deviceWith a Component Video cable With a Component Video to VGA D-Sub adaptor cableTo connect the projector to an S-Video/Video source device Connecting an S-Video or a composite Video source deviceStarting up the projector OperationUsing a security cable lock Using the On-Screen Display OSD menusUse / to highlight the System Setup Basic menu Securing the projectorSetting a password Utilizing the password functionIf you forget the password To leave the OSD menu, press MENU/EXITChanging the password Entering the password recall procedureDisabling the password function Changing Color Space Switching input signalAdjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Magnifying and searching for detailsPress About the aspect ratio Selecting the aspect ratioSelecting a picture mode Using Wall ColorPC input signals D-Sub/Comp. analog RGB, and DVI-D DVI-D Optimizing the imageFine-tuning the image quality in user modes Selecting a color temperature Adjusting Brilliant ColorAbout color temperatures 3D Color ManagementRepeat steps 3 to 6 for other color adjustments Setting the presentation timerPress MENU/EXIT to exit and save the settings Follow these steps to utilize this functionHow to use the Timer ON/SHOW key? To cancel the timer, perform the following stepsUsing the OSD menu Remote paging operationsHiding the image Utilizing FAQ functionFreezing the image Locking control keys To activate the High Altitude ModeOperating in a high altitude environment Panel Key Lock menu and pressAdjusting the sound level Adjusting the soundTurning off the Power on/off ring tone Creating your own startup screenShutting down the projector Personalizing the On-Screen Display OSD menusIf the projector is not properly Menu structure On-Screen Display OSD MenusMain menu Sub-menu Options Reset All Settings Setup BasicAdvanced Menu Position Center/Top-Left/Top-Right/BottomDisplay menu Picture menu Description of each menuPresentation Timer Save SettingsAuto Power Off Blank TimerSystem Setup Advanced menu Information menu Care of the projector MaintenanceLamp information Setting Auto Power Off Setting Lamp Mode as EconomicExtending lamp life Timing of replacing the lampLoosen the screw that secures the lamp Replacing the lampTo slowly pull the lamp out of the projector Remove the lamp cover from the projectorSettings menu Resetting the lamp timerPress Enter and the Lamp Settings Indicators Troubleshooting Projector specifications SpecificationsDimensions Supported timing for Analog RGB input Timing chartSupported timing for Component-YPbPrinput Supported timing for Video and S-Video inputsSXGA75 Supported timing for DVI-D Hdcp inputRegulation statements Other information
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SP870 specifications

The BenQ SP870 is a cutting-edge projector designed to deliver high-quality visuals for both educational and professional settings. This projector stands out due to its advanced technology and robust features that cater to the demands of various presentations and multimedia applications.

One of the primary characteristics of the SP870 is its impressive resolution. With a native WUXGA resolution of 1920 x 1200, this projector ensures that images and videos are displayed with exceptional clarity and detail. The high resolution is particularly beneficial for presentations that involve intricate graphics, charts, or fine text, allowing viewers to see every detail without straining their eyes.

The SP870 is equipped with a brightness level of up to 5,000 ANSI lumens, making it suitable for use in environments with varying lighting conditions. Whether you're presenting in a well-lit conference room or a dimly lit classroom, the SP870 delivers bright and vibrant images, ensuring that your content is visible and impactful. The projector also features a high contrast ratio, which enhances the depth of colors and provides a more immersive viewing experience.

Another significant aspect of the BenQ SP870 is its color accuracy and technology. It utilizes BrilliantColor technology, which enhances color performance by improving the brightness of colors and allowing for a wider color spectrum. This results in rich, vivid colors that can engage and captivate an audience, making it an excellent choice for creative professionals and educators alike.

In terms of connectivity, the BenQ SP870 offers a variety of ports, including HDMI, VGA, and USB, allowing for easy connection to a range of devices such as laptops, tablets, and media players. This versatility makes it easy to use the projector in multiple settings, from boardrooms to classrooms.

Additionally, the projector is designed with user-friendly features such as a quick start-up time, allowing users to begin their presentations swiftly. Its lamp life, rated up to 4,000 hours in normal mode and 6,000 hours in eco mode, ensures longevity and reduces maintenance costs.

Overall, the BenQ SP870 is a robust projector equipped with high resolution, exceptional brightness, advanced color technologies, and versatile connectivity options. It is an ideal choice for professionals and educators seeking reliable and high-performance projection solutions.
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