BenQ CP120 manual Temperature information, Resetting the lamp counter

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•Pulling it too quickly may cause the lamp to break and scatter broken glass in the projector.

•Do not place the lamp in locations where water might splash on it, children can reach it, or near flammable materials.

•Do not insert your hands into the projector after the lamp is removed. If you touch the optical components inside, it could cause color unevenness and distortion of the projected images.

Step 7. Insert a new lamp. Ensure the handle is fully laid flat and locked in place. Reinsert and tighten the screw firmly.

• Loose screw may cause a bad connection, which could result in malfunction.

• Do not over tighten the screw.

Step 8. Reinstall the lamp cover and tighten the screws.

Step 9. Restart the projector.

Do not turn the power on with the lamp cover removed.

Step 10. Resetting the lamp counter

Do not reset if the lamp is not replaced as this could cause damage.

i.Press and hold the BLANK /5Up button on the projector for 5 seconds to display the total used lamp time.

ii.Press the AUTO (or AUTO/CH.) button to reset the lamp hour to “0”.

iii.Wait about 5 seconds to let the OSD disappear.

Temperature information

When the TEMPerature warning light flashes, it is warning you of the following possible problems:

•The internal temperature is too high.

•The fans are not working.

Turn the projector off and contact qualified service personnel for further help. For more detailed information, please refer to "Indicators" on page 49.

48 Maintenance

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Contents Welcome Software license agreement CopyrightDisclaimer Copyright Memo Table of Contents Fine-tuning the image size and clarity Iv Table of ContentsDimensions Timing chart Table of ContentsMemo Vi Table of Contents Important safety instructions Important safety instructionsBut could fail if power cuts or surges Safety instructions Do not block the ventilation holes Following environments Do not place this unit on a blanketBedding or any other soft surface Other itemSafety instructions Introduction Projector featuresIntroduction Shipping contents Projector exterior view Front / Upper sideRear side Lower sideTurns the projector on or off Introduction Controls and functionsExternal control panel Adjusts the focus of the projected image Remote control description Down on the remote controlPress this button to display the Wireless Connection menu Turns the projector on or offRemote control effective range Installing or replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size EquipmentSelect your screen size Positioning your projector Screen Center of lens Projection distance Screen size chartMaximum Minimum Zoom Connection Connecting a computerConnection Connecting Video source devices Best video qualityConnecting a Component Video source device Component Video to VGA D-Sub adaptor cable DeviceConnecting an S-Video source device Video cable DeviceConnecting a composite Video source device Using the projector Switch all of the connected equipment onUsing the projector Start upUtilizing the password function To set a passwordTo change the password If you forget the passwordTo enter the password recall procedure Adjusting the height Auto-adjusting the imageFine-tuning the image size and clarity That you need using the zoom ring Focus ringRight buttons on Correcting keystoneManual keystone correction Selecting an application mode Switching input signalHiding the image Automatic keystone correctionDisconnect the power cord from the wall socket Remote paging operationsFreezing the image ShutdownHardware and software requirements Using the wireless functionsAbout wireless connection modes and channels Preparing your computer for wireless connection Checking the TCP/IP settings of your computerMaking wireless presentation Installing Wireless WizardClick to select a wireless network card from the list Current wireless connection channel Page Controlling presentation Freezing imageDisconnecting Method 2 Projector controlMenu operation Menu systemUsing the menus Picture menu Selected Application Mode KeystoneColor Temp Depends onPro-Picture menu Setting menu Advance menu Turned off. Selecting Off disables this function Auto Off OffEconomic Periods of time 10hours without shutdownResolution Mode EquivalentInformation Menu SourceMaintenance Care of the projectorCalculation of lamp hour Message StatusReplacing the lamp Temperature information Resetting the lamp counterIndicators Projector needs to cool after the power is Turned offStand-by mode Powering upMaintenance Troubleshooting Projector does not turn onNo picture Image is unstableRemote control does not work Unable to use wireless connectionConfigured NearbySpecifications Projector specificationsDimensions Timing chartHorizontal Vertical Pixel Resolution Frequency Mode KHz MHz Supported timing for PC inputSupported timing for Video and S-Video inputs Signal Format Horizontal Frequency Vertical Frequency KHzSupported timing for Component-YPbPrInput Warranty WarrantyLimited warranty Regulation statements FCC statementEEC statement MIC statementMemo Regulation statements