BenQ MX850UST, MW851UST Lamp information, Getting to know the lamp hour, Extending lamp life

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Lamp information

Getting to know the lamp hour

When the projector is in operation, the duration (in hours) of lamp usage is automatically calculated by the built-in timer.

See "Setting Lamp Mode as Economic" below for more information on Economic mode.

To obtain the lamp hour information:

1.Press MENU/EXIT and then press / to highlight the SYSTEM SETUP: Advanced menu.

2.Press to highlight Lamp Settings and press MODE/ENTER. The Lamp Settings page displays.

3.You will see the Equivalent Lamp Hour information displaying on the menu.

4.To leave the menu, press MENU/EXIT.

You can also get the lamp hour information on the INFORMATION menu.

Extending lamp life

The projection lamp is a consumable item that normally can last up to 3000-4000 hours with proper usage. To keep the lamp life as long as possible, you can do the following settings via the OSD menu.

•Setting Lamp Mode as Economic

Using Economic mode reduces system noise and power consumption by 20%. If the Economic mode is selected, the light output will be reduced and result in darker projected pictures.

Setting the projector in Economic mode also extends the lamp operation life. To set

Economic mode, go into the SYSTEM SETUP: Advanced > Lamp Settings > Lamp Mode

menu and press / .

•Setting Auto Power Off

This function allows the projector to turn off automatically if no input signal is detected after a set period of time to prevent unnecessary waste of lamp life.

To set Auto Power Off, go into the SYSTEM SETUP: Basic > Operation Settings > Auto Power Off menu and press / . The time period can be set from 5 to 30 minutes in 5- minute increments. If the preset time lengths are not suitable for your presentation, select Disable. The projector will not automatically shut down in a certain time period.

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Contents Welcome Table of contents Important safety instructions Safety InstructionsRefer servicing to qualified service personnel Safety Instructions Confined. Allow at least 50 cm clearance Locations near fire alarmsLocations with an ambient temperature Locations where the altitudes are higherInverted images for ceiling mount InstallationProjector features IntroductionIntroduction Shipping contents Front/upper side Rear/lower side Projector exterior viewControls and functions Projector Keystone/Arrow buttons / Up Down Remote controlON/OFF TestNumeric buttons Operating the Laser pointerMute MIC/VOL +Replacing the remote control battery Remote control effective rangePositioning your projector Choosing a locationFront Ceiling Obtaining a preferred projected image size Projection dimensions1778 1508 942 Screen Size Distance from Screen in mmDiagonal Inches 1524 808Connection Best Connecting video source devicesConnecting audio Terminal name Terminal appearanceDevice Audio Settings Microphone Volume menuPlaying sound through the projector About the microphone inputOperation Starting up the projectorOperation Correcting keystone Adjusting the projected imageAuto-adjusting the image Fine-tuning the image clarityUsing the menus Following example describes how to set the OSD languageUse / to highlight the System Setup Basic menu Highlight Change Security Settings and press MODE/ENTER Using a security cable lockUtilizing the password function Setting a passwordIf you forget the password Entering the password recall procedureWrite down the number and turn off your projector Changing the password Disabling the password functionEnter a new password Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAspect alteration Projectors native resolution in its Displayed in the centerAbout the aspect ratio Screen with a 169 aspect ratioGo to the Picture Picture Mode menu Using Wall ColorSelecting a picture mode Setting the User 1/User 2 modeFine-tuning the image quality in user modes Range at 0, only pure red in the projected Press To highlight Saturation and adjust itsEvery adjustment made will reflect to 3D Color ManagementSelection Description Setting the presentation timerTo cancel the timer, perform the following steps Count Up Increases from 0 to the preset time Count DownLocking control keys Remote paging operationsFreezing the image Hiding the imageTo activate the High Altitude Mode Operating in a high altitude environmentCreating your own startup screen Adjusting the sound Controlling the projector through a LAN environmentCable connection If you are in a non-DHCP environment Controlling the projector remotely through a web browserIiii Iiiv Press Exit to go back to the remote network operation Shutting down the projector Direct power offMenu operation Menu systemMain menu Sub-menu Options Hr/8 hr/12 hr System Setup BasicSleep Timer Min/25 min/30 minAdvanced Description of each menu Display menu Picture menu Function Description Teaching Picture ModeTemperature Save SettingsColor Space TimerSettings SearchLock Function DescriptionOperation Panel KeyLamp System Setup Advanced menu Function Description HighAltitude AudioNetwork System Setup Advanced menu Function DescriptionReset All StandbyStatus Information menu Function DescriptionCurrent SystemCare of the projector MaintenanceGetting to know the lamp hour Setting Lamp Mode as EconomicSetting Auto Power Off Lamp informationStatus Message Timing of replacing the lampReplacing the lamp Use the handle to slowly pull the lamp out of the projector Connect the power and restart the projector Resetting the lamp timerTime will be reset to Indicators Light Status & Description Power eventsLamp events Troubleshooting Projector specifications SpecificationsMm W x 236.9 mm H x 322.8 mm D 339 Specifications DimensionsMinimum installation requirements Wall mount installation975 1173 1189 1181 960 Minimum Ceiling Height mm = f + H + b + 60 + 221+ c CeilingWall plate Supported timing for PC input Timing chartSupported timing for Hdmi Hdcp input Supported timing for Component-YPbPrinput TimingHorizontal Supported timing for Video and S-Video inputs Disclaimer Warranty and Copyright informationLimited warranty Copyright