60Maintenance1. Turn the projector off, and unplug the power cord. Allow theSURMHFWRUWRFRROVXI¿FLHQWO\2. After making sure that the projector has cooled adequately,slowly turn over the projector, so that the bottom is facing.3. Remove the battery cover.Turn the battery cover in the direction indicated “OPEN”using such as coins. Then the battery cover will come up. Whileremoving the battery cover, pick its knob.4. Take the old battery out.Press the metal claw of the battery holder. Then the batterywill come up. Remove the battery.5. Put a new battery in.Replace battery with HITACHI MAXELL, Part No.CR2032RQO\8VHRIDQRWKHUEDWWHU\PD\SUHVHQWDULVNRI¿UHRUexplosion.Insert a new battery in the battery holder according to its minus terminalas indicated in the battery holder, so that the side marked by + isIDFLQJ$QGSXVKWKHEDWWHU\LQWRWKHEDWWHU\KROGHUIXOO\WR¿[6. Close the battery cover.Replace the battery cover in place, then turn it in theGLUHFWLRQLQGLFDWHG³&/26(´XVLQJVXFKDVFRLQVWR¿[%.15'Battery Cover12'0KnobMetal claw“+” markingWARNING ŹAlways handle the batteries with care and use them only as directed. BatteryPD\H[SORGHLIPLVWUHDWHG'RQRWUHFKDUJHGLVDVVHPEOHRUGLVSRVHRILQ¿UH$QGDOVRLPSURSHUXVHPD\UHVXOWLQFUDFNLQJRUOHDNDJHZKLFKFRXOGUHVXOWLQ¿UHLQMXU\DQGRUpollution of the surrounding environment.• %HVXUHWRXVHRQO\WKHEDWWHULHVVSHFL¿HG'RQRWXVHEDWWHULHVRIGLIIHUHQWW\SHVDWWKHVDPHtime. Do not mix a new battery with used one.• Make sure the plus and minus terminals are correctly aligned when loading a battery.If the battery is placed in the battery holder upside-down, it may be hard to remove.• Keep a battery away from children and pets. If swallowed consult a physician immediately for emergency treatment.• Do not short circuit or solder a battery.• 'RQRWDOORZDEDWWHU\LQD¿UHRUZDWHU.HHSEDWWHULHVLQDGDUNFRRODQGGU\SODFH• ,I\RXREVHUYHDOHDNDJHRIDEDWWHU\ZLSHRXWWKHÀRZHUDQGWKHQUHSODFHDEDWWHU\,IWKHOLTXLGadheres to your body or clothes, rinse well with water immediately.• Obey the local laws on disposing the battery.Internal clock batteryConsumption of the battery makes the clock not to work correctly. When the clock is wrong or it hasstopped, please replace the battery according to the following procedures.NOTE • If the battery is placed in the battery holder upside-down, follow the procedure belowto remove and reload it properly.1. Remove the battery cover as described in steps 1 through 3 above.2. Turn the projector over again, so that the top of the projector is facing up.3. While lifting the side of the projector closest to the lens, press the metal claw of the batteryholder. The battery will fall out of the holder, so be careful not to lose it.4. Turn the projector over once more, so that the bottom faces up, and reload the battery correctly.• The internal clock’s time will be reset when the battery is removed.3OHDVHUHFRQ¿JXUHWKHWLPHYLDWKHPHQXRUDZHEEURZVHUDIWHUUHSODFLQJWKHEDWWHU\(Please refer to 55 and User’s Manual-Network Functions: Date/Time Settings for more information.)3M™ Digital Projector X90© 3M 2007. All Rights Reserved.