Panasonic PT-L780NTE, PT-L780E manual Lamp unit replacement period, Cleaning procedure

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Cleaning and replacing the air filter

Replacing the lamp unit

If the air filter becomes clogged with dust, the internal temperature of the projector will rise, the TEMP indicator will flash and the projector power will turn off. The air filter should be cleaned every 100 hours of use, depending on the location where the projector is being used.

Warning

When replacing the lamp, allow it to cool for at least one hour before handling it.

Lamp unit replacement period

The lamp is a consumable product. Even when the full life of the bulb

Cleaning procedure

#Turn off the MAIN POWER switch and disconnect the mains plug from the mains socket.

Turn off the MAIN POWER switch according to the procedure given in “Turning off the power” on page 29 before disconnecting the plug from the mains socket.

$Gently turn the projector upside down.

NOTE:

BPlace the projector on top of a soft cloth so that it will not become scratched.

%Remove the air filter.

Put your fingernails under the air filter and pull the air filter out of the projector.

&Clean the air filter.

Use a vacuum cleaner to clean off any accumulated dust.

NOTE:

BBe careful not to let the air filter get sucked into the vacuum cleaner.

'Install the air filter.

NOTE:

BBe sure to install the air filter cover before using the projector. If the projector is used without the air filter cover installed, dust and other foreign particles will be drawn into the projector, and malfunctions will result.

BIf the dust cannot be removed by cleaning, it is time to replace the air filter. Please consult your dealer. Furthermore, if the lamp unit is being replaced, replace the air filter at this time also.

BThe lamp cover gets very hot, and contact with it can cause burns.

Notes on replacing the lamp unit

BThe light generating lamp is made of glass, so dropping it or allowing it to hit hard objects may cause it to burst. Be careful when handling the lamp.

BAfter having removed the old lamp, carelessly discarding it can cause the lamp to burst. Dispose of the lamp with the same care that would be taken with a fluorescent light.

BA Phillips screwdriver is necessary for removing the lamp unit. Make sure that your hands are not slippery when using the screwdriver.

NOTE:

BThe projector is not supplied with a replacement lamp unit. Please ask your dealer for details. Lamp unit product no.: ET-LA780

CAUTION:

BDo not use any lamp unit other than the one with the product number indicated above.

has not been exhausted, the brightness of the light will gradually decline. Therefore periodic replacement of the lamp is necessary.

The intended lamp replacement interval is 1 500 hours, but it is possible that the lamp may need to be replaced earlier due to variables such as a particular lamp's characteristics, usage conditions and the installation environment. Early preparation for lamp replacement is encouraged.

A lamp that has exceeded 1 500 hours of use has a much greater chance of exploding. In order to prevent the lamp from exploding, the lamp will be automatically shut off when 1 500 hours of use have been reached.

NOTE:

BThe usage hours explained above are for use when the HIGH setting has been selected for LAMP POWER in the OPTION menu. If the LOW setting is selected, the brightness of the lamp will be less and life of the lamp can be extended.

BWhile 1 500 hours is the intended replacement interval, it is not a period of time covered by warranty.

Others

Air filter

62-ENGLISH

ENGLISH-63

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Contents LCD Projector Commercial Use Model No. PT-L780NTEImportant the Moulded Plug U.K. only Dear Panasonic CustomerModel number PT-L780NTE/PT-L780E Contents Precautions with regard to safetyDo not handle the mains plug with wet hands Insert the mains plug securely into the mains socketDo not place the projector into water or let it become wet Do not place liquid containers on top of the projectorAccessories Do not put your weight on this projectorUse only the specified batteries Do not mix old and new batteriesPrecautions on handling Location and function of each part Projector Back and bottomRemote control unit Projector control panelConnector panel PT-L780NTE onlyLaser beam pointer Using the remote control unitWireless mouse Inserting the batteries Operating rangeSignal Pin No SignalConnections External viewMonitor Computer for Control use Sub 9-pin DVD player MaleSetting-up Projection methodsProjector position Projection distancesStarting to use Turning on the powerTurning off the power On-screen menus Menu screensMenu operation guide Using the D.ZOOM digital zoom Using the freeze functionReturning a setting to the factory default FunctionAdjusting the picture Adjusting the position White Balance R/G/BThen use the I or H button to Select StandardClock Phase PositionDOT Clock KeystoneAudio adjustment Changing the display languageOption settings WEB Password Auto Power OFFStatus Control KEYRemoving the lens Installing the lensLens Select ET-LE10 for short-distance projection ET-LE20 for medium-distance projectionET-LE30 for long-distance projection Screen size Projection distance L Diagonal Height SH WidthLens Pin assignment and control Using the cable coverShort pin 1 and pin 9 when controlling Using the Serial connector Indicators RemedyAbout the automatic setup function List of compatible signalsLamp unit replacement period Cleaning procedurePress and hold the Enter button for approximately 3 seconds Lamp unit replacement procedureTurn off the power Problem Possible cause Before calling for serviceBefore calling for service, check the following points Specifications Sync HD/SYNCDimensions Trademark acknowledgements