Panasonic PT-LB20VE, PT-LB20NTE manual Cleaning and replacing the air filter, Replacement procedure

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Cleaning and replacing the air filter

If the air filter becomes clogged with dust, the internal temperature of the projector will rise, the TEMP indicator will illuminate and the projector’s power will turn off (the TEMP indicator will flash after the power is turned off).

The air filter should be cleaned every 100 hours of use.

Cleaning

Use a vacuum cleaner to clean off any accumulated dust.

Air filter cover

NOTE:

BIf the dust cannot be cleaned by a vacuum cleaner, remove the air filter and soak it in water, and then wash out the dust by hand. Be sure to install the air filter after it has dried.

BDo not use detergent when washing the air filter.

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.

Replacement procedure

#Turn off the power and disconnect the mains lead. Be sure to disconnect the mains lead by following the procedure given on page 26.

$Gently turn the projector upside down, and then remove the air filter cover.

Air filter cover

%Replace the air filter, and then install the air filter cover.

Air filter

NOTE:

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

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Contents LCD Projector Commercial Use Model No. PT-LB20NTEDear Panasonic Customer Model number PT-LB20NTE / PT-LB20E / PT-LB20SE / PT-LB20VEPreparation English Contents Precautions with regard to safety Do not overload the mains socketDo not remove the cover or modify it in any way Do not place the projector into water or let it become wet Do not handle the mains plug with wet handsInsert the mains plug securely into the mains socket Do not place liquid containers on top of the projectorDo not use the projector in a bath or shower Do not look into the lens while the projector is being usedDo not cover the air inlet port or the air outlet port Always disconnect all cables before moving the projector Insulate the battery using tape or similar before disposalDo not put your weight on this projector Do not place any heavy objects on top of the projectorAccessories Before use Be sure to attach the lens cover before moving the projectorScreen Order to get the best picture qualityDo not touch the surfaces of the lens with your bare hands LampLeg adjuster buttons L/R Lens cover Projection lens Remote control signal receptorLocation and function of each part # Connector panel $ Air outlet port $%$RGB2 IN/1 OUT connector pages 21, 22 # Power input socket ACRGB1 in connector pages 21 Video in connector pages 22$ Lamp indicator Remote control unit# RGB Input indicator MenuVolume +/- buttons Temp indicatorAuto Setup button pages 25 Illumination sensorSetting-up Projection methodsProjector position Projection distancesPT-LB20SE Connecting to computer ConnectionsConnecting to video equipment ET-ADSERPreparation for the remote control unit Insert the battery holderTurning on the power $Press the Power buttonTurn on the power of all connected devices Adjusting the size Press the input select button to select the input signalAdjusting the angle Adjusting the focusTurning off the power #Press the Power buttonDirect power off function Power button on the projectorProjector status Press the Auto Setup button Pausing a picture Freeze Turning off the picture and sound momentarily ShutterPress the Freeze button Press the Volume +/- button Adjusting the volume VolumeRemote control unit functions during D.ZOOM digital zoom Enlarging the picture D.ZOOMDisplaying two screens Index Window Press the Index Window buttonKeystone On-screen menusMenu screens Keystone correctionPosition menu Index Window function Shutter function Volume adjustmentAdjustments and settings Language menuMenu operation guide Contrast Bright Color Tint Sharpness Color Temp Returning a setting to the factory defaultSTD Select Enter RetrnVertical Correcting keystone distortionVertical keystone distortion correction only OperationAdjusting the picture Picture ModeColor ContrastBright TintMode Auto OFF DaylightviewDaylightview TV-SYSTEM Still ModeSignal Mode TV-SYSTEM Auto NtscPosition Adjusting the positionClock Phase DOT ClockAspect Aspect AutoResizing Frame LockChanging the display language OSD Option settingsAuto Signal Auto SearchRGB/YPBPR Sxga ModeRGB2 Select BlackboardFAN Control Lamp PowerDESK/CEILING Lamp RuntimePower Memory Control KEYAuto POW.OFF Setting up the security function Input PasswdAmend Passwd Text Display Text ChangeName Change DefaultNetwork WEB ControlLamp indicator Temp indicator RemedyLamp indicator Lamp PowerReplacement procedure Cleaning and replacing the air filterCleaning Air filter should be cleaned every 100 hours of useLamp unit replacement period Replacing the lamp unitLamp unit replacement procedure Select Control KEY Auto POW.OFF DisableFRONT/REAR Front DESK/CEILING Press and hold the Enter button for approximately 3 secondsBefore calling for service Cleaning and maintenance Specifications PT-LB20VERemote control unit OptionsAppendix List of compatible signalsPicture Resizing*3 Frequency Quality Mode Display ScanningProjection dimensions calculation methods PT-LB20VECommunications settings Using the Serial connectorPin assignments and signal names ConnectionControl commands Cable specificationsCommand Control Remarks Contents Dimensions Trademark acknowledgements

PT-LB20VE, PT-LB20SE, PT-LB20NTE, PT-LB20E specifications

The Panasonic PT-LB20E, PT-LB20NTE, PT-LB20SE, and PT-LB20VE projectors are compact and lightweight devices designed to meet the needs of both educational and business environments. These models offer exceptional performance, high-quality imaging, and advanced features tailored for various applications.

The PT-LB20 series is equipped with a 3LCD optical system, which delivers bright and vivid images with accurate colors. With a brightness of up to 2,000 lumens, these projectors provide clear visibility even in well-lit rooms. The XGA resolution (1024 x 768 pixels) ensures detailed and crisp presentations, making these projectors ideal for displaying text-heavy content, graphics, and multimedia presentations.

One of the standout features of the PT-LB20 series is its portability. Weighing just around 2.5 kg, these projectors are easy to transport, making them suitable for mobile professionals and educational institutions that require frequent movement between locations. The compact design allows them to fit into a variety of settings, whether it's a small classroom, a conference room, or a large auditorium.

In terms of connectivity, the PT-LB20 models offer a range of options, including HDMI, VGA, and USB ports, allowing users to connect a variety of devices easily. The HDMI input supports high-definition content, ensuring that your presentations are visually engaging and impactful. Additionally, these projectors come with a built-in speaker, which means that audio can be delivered without requiring external sound systems, thus simplifying setup.

The PT-LB20 projectors also feature Panasonic's unique Eco Mode, which enhances lamp life by reducing power consumption. This function can extend the lamp life up to 5,000 hours, lowering maintenance costs and maximizing the projector's lifespan. Environmentally conscious users will appreciate this energy-efficient design, along with the automatic shutdown feature that helps conserve energy when the projector is not in use.

User-friendly features such as a simple remote control, easy setup, and intuitive menu navigation contribute to a seamless and straightforward operation. The PT-LB20 series caters to a variety of needs, making them a versatile choice for educators, business professionals, and anyone needing reliable projection solutions. Overall, the Panasonic PT-LB20E, PT-LB20NTE, PT-LB20SE, and PT-LB20VE stand out for their balance of performance, portability, and advanced features, making them a worthwhile investment for anyone looking to elevate their presentation experience.
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