BenQ SP840 Lamp information, Getting to know the lamp hour, Extending lamp life, English

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Lamp information

English

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. The method of calculating the equivalent lamp hour is as follows:

Total (equivalent) lamp hour

= 1 (hours used in Economic mode) + 4/3 (hours used in normal mode)

Getting to know the lamp hour 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 Extending lamp life/ Setting Lamp mode as Economic until the SYSTEM SETUP: Advanced menu is highlighted.

2.Press Setting Auto Power Off 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 1500-2000 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 Manual background / Manual background .

Setting Auto Power Off

This function allows the projector to turn off automatically if no input source 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 > Auto Power Off menu and

press Manual background / Manual background . 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.

56 Maintenance

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Contents SP840 Digital Projector User Manual WelcomeTable of contents Important safetyWarranty and Copyright EnglishImportant safety instructions Safety InstructionsSafety Instructions Continued 4 Important safety instructions12. Do not place this projector in any of the following environments Ceiling mounting the projector 6 Important safety instructionsProjector features IntroductionOptional accessories Shipping contentsStandard accessories Projector exterior view Front/upper sideSee Using the menus on page 26 for details Controls and functionsProjector Remote control See Switching input signal on page 29 for details Operating the LASER pointerSee Auto-adjusting the image on page 30 for details Remote control effective range Replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size Positioning your projectorHow to determine the recommended screen size for a given distance 16 Positioning your projectorSP840 projection dimensions 169 screendiagonal InchesConnecting a computer or monitor Connecting a computerConnections To connect the projector to a notebook or desktop computerConnecting a monitor To connect the projector to a monitorConnecting Video source devices Connecting AudioBest video quality Better video qualityConnecting HDMI source devices To connect the projector to an HDMI source deviceTo connect the projector to an Audio source device Connecting Component Video source devicesTo connect the projector to a Component Video source device S-Video Cable AV device Audio Cable Connecting S-Video source devicesTo connect the projector to an S-Video source device 24 Connections Connecting Composite Video source devicesTo connect the projector to a composite Video source device Operation Starting up the projectorUsing the menus Using a security cable lockSecuring the projector remote control to turn the OSD menu onIf you forget the password Utilizing the password functionSetting a password Entering the password recall procedure Changing the passwordDisabling the password function password next time the projector is startedSwitching input signal Changing Color SpaceAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image size and clarityKeystone function Correcting keystoneUsing Auto Keystone 32 Operation Magnifying and searching for detailsSelecting the aspect ratio 5. Real About the aspect ratio4. Letter Box Selecting a picture mode Setting the User 1/User 2/User 3 modeOptimizing the image Fine-tuning the image quality in user modes Adjusting BrightnessAdjusting Contrast Adjusting ColorAdjusting Clarity Control Selecting a Color Temperature UserFine TuningSelecting a Color Temperature Selecting a Gamma Selection3D Color Management Adjusting Brilliant ColorSelecting a White Peaking Selecting Color Space Conversion Selecting a Video Format1. Go to the PICTURE Advanced menu and highlight 3D Color Management 2. Press MODE/ENTER and the 3D Color Management page displaysSelecting a 3D Comb Filter Remote paging operationsSelecting a Film Mode Hiding the image Setting the Sleep TimerLocking control keys Adjusting the sound Freezing the imageOperating in a high altitude environment INPUT SOUCERAdjusting the sound level Adjusting the Treble levelAdjusting the Bass level Turning off the Power on/off Ring ToneIf you are in a DHCP environment Configuring the Lan Control SettingsControlling the projector through a Lan environment Controlling the projector remotely through a web browser If you are in a non-DHCP environmentii. To switch input source, click on your desired signal Personalizing the projector menu display Shutting down the projectorMenu operation Menu systemMain menu Sub-menuVolume Power on/offDisable/30 min/1 hr/2 hr/3 hr/4 hr/8 MuteEquivalent Lamp Hour Description of each menu for details 52 Operation Menu positionMenu display time Mute value DESCRIPTION default setting/valuedefault setting Maintenance Cleaning the lensCleaning the projector case Care of the projectorSetting Lamp mode as Economic Setting Auto Power OffLamp information Getting to know the lamp hourTiming of replacing the lamp See Setting Lamp mode as Economic on pageStatus MessageReplacing the lamp 58 Maintenance4. Loosen the screws that secure the lamp Resetting the lamp timer SETUP Advanced Lamp SettingsIndicators PowerPower events LightTroubleshooting Remote control does not workThe password is incorrect The projector does not turn onSpecifications Projector specificationsDimensions Ceiling Mount Installation132.4 254325Timing chart Supported timing for COMPUTER inputSupported timing for Component-YPbPr input EnglishSupported timing for Video and S-Video inputs Supported timing for HDMI HDCP input68 Specifications Warranty and Copyright information Limited warrantyCopyright DisclaimerRegulation statements FCC statementEEC statement WEEE directiveAccessibility Requirements for Rehabilitation Act of 1973, Section Regulation statements
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