Panasonic PT-LC55E manual Setting-up, Projection methods, Projection distances, Projector position

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Setting-up

Projection methods

The projector can be set up so that any one of the following four projection methods are used. Select whichever projection method matches the setting- up method. (The projection method can be set from the OPTION2 menu. Refer to page 37 for details.)

DESK/CEILING

DESK

CEILING

FRONT

 

(Factory default setting)

 

FRONT/REAR

 

REAR

 

NOTE:

BYou will need to purchase the separate ceiling bracket (ET-PKC75) when using the ceiling installation method.

Projection distances

4:3 Screen

 

Projection distance (L)

 

Height

Preparation

 

 

 

PT-LC75E

PT-LC55E

 

size

position

 

 

 

 

 

 

Wide

Telephoto

Wide

Telephoto

 

(diagonal)

(H1)

 

(LW)

(LT)

(LW)

(LT)

 

 

 

 

 

 

 

 

 

 

 

0.84 m(33˝)

 

1.1 m(3´7˝)

 

1.1 m(3´7˝)

0.08 m(3-1/8˝)

 

1.02 m(40˝)

1.2 m(3´11˝)

1.4 m(4´7˝)

1.2 m(3´11˝)

1.4 m(4´7˝)

0.09 m(3-17/32˝)

 

1.27 m(50˝)

1.5 m(4´11˝)

1.7 m(5´6˝)

1.5 m(4´11˝)

1.8 m(5´10˝)

0.11 m(4-5/16˝)

 

1.52 m(60˝)

1.8 m(5´10˝)

2.1 m(6´10˝)

1.8 m(5´10˝)

2.1 m(6´10˝)

0.14 m(5-1/2˝)

 

1.78 m(70˝)

2.1 m(6´10˝)

2.4 m(7´10˝)

2.1 m(6´10˝)

2.5 m(8´2˝)

0.16 m(6-9/32˝)

 

2.03 m(80˝)

2.4 m(7´10˝)

2.8 m(9´2˝)

2.4 m(7´10˝)

2.9 m(9´6˝)

0.18 m(7-1/16˝)

 

2.29 m(90˝)

2.7 m(8´10˝)

3.2 m(10´5˝)

2.8 m(9´2˝)

3.2 m(10´5˝)

0.20 m(7-27/32˝)

 

2.54 m(100˝)

3.0 m(9´10˝)

3.5 m(11´5˝)

3.0 m(9´10˝)

3.6 m(11´9˝)

0.22 m(8-21/32˝)

 

3.05 m(120˝)

3.6 m(11´9˝)

4.2 m(13´9˝)

3.7 m(12´1˝)

4.3 m(14´1˝)

0.26 m(10-7/32˝)

 

3.81 m(150˝)

4.5 m(14´9˝)

5.3 m(17´4˝)

4.6 m(15´1˝)

5.4 m(17´8˝)

0.33 m(12-31/32˝)

 

5.08 m(200˝)

6.0 m(19´8˝)

7.1 m(23´3˝)

6.1 m(20´)

7.3 m(23´11˝)

0.44 m(17-5/16˝)

 

6.35 m(250˝)

7.5 m(24´7˝)

8.9 m(29´2˝)

7.6 m(24´11˝)

9.1 m(29´10˝)

0.55 m(21-5/8˝)

 

7.62 m(300˝)

9.0 m(29´6˝)

10.7 m(35´1˝)

9.2 m(30´2˝)

11.0 m(36´1˝)

0.66 m(25-31/32˝)

 

Setting-up dimensions which are not given in the above table can be calculated using the formulas below.

If the screen size (diagonal) is SD (m), then the following formula is used to calculate the projection distance for the wide lens position (LW) and the projection distance for the telephoto lens position (LT).

Projector position

Top edge of screen

SH

Screen

 

L

 

H1

Bottom edge of screen

L:Projection distance SH: Image height SW:Image width

H1: Distance from centre of lens to bottom edge of projected image

PT-LC75E

PT-LC55E

LW=0.030xSD/0.0254-0.037

LW=0.031xSD/0.0254-0.038

LT=0.036xSD/0.0254-0.037

LT=0.037xSD/0.0254-0.038

For 16:9 aspect ratios, the following formula can be used to calculate the projection distance.

PT-LC75E

PT-LC55E

LW=0.032xSD/0.0254-0.037

LW=0.033xSD/0.0254-0.038

LT=0.039xSD/0.0254-0.037

LT=0.040xSD/0.0254-0.038

NOTE:

SW

Screen

57 mm

L

(2-7/32˝)

BThe dimensions in the table above and the values obtained from the above formulas may contain slight errors.

BIf you use the projection distance for the 16:9 screen, the 4:3 projection image overflows the screen at the top and bottom.

22-ENGLISH

ENGLISH-23

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Contents LCD Projector Commercial Use Model No. PT-LC75EDear Panasonic Customer Model number PT-LC75E / PT-LC55ESerial number Important the Moulded Plug U.K. onlyContents Precautions with regard to safetyDo not handle the power cord plug with wet hands Insert the power cord plug securely into the wall outletInsulate the battery using tape or similar before disposal Do not place the projector into water or let it become wetAccessories Use only the specified batteryDo not put your weight on this projector Precautions on handling Order to get the best picture qualityDo not touch the surfaces of the lens with your bare hands About the screenLocation and function of each part Do not cover these ports+ Air filter Speaker # Air outlet port Do not cover this portProjector control panel and remote control unit Connector panel About the RGB Input indicatorAbout the automatic setup function Using the remote control unit Connections Inserting the batteryOperating range English ENGLISH-21 Setting-up Projection methodsProjection distances Projector positionTurning on the power Turning off the powerStarting to use On-screen menus Menu screensMain Menu Using the freeze function Returning a setting toFactory default Menu operation guidePress the H button Press the I button Press the Menu button to return to the previous screenAdjusting the picture Darker. Adjust the Bright settingWhen an S-VIDEO/VIDEO signal is being input Button to make the pictureAdjusting the position AutoOFF Option settings Auto Y·PB·PRHDTV60 HDTV50Using the Index Window function Using the shutter functionChanging the display language KeystoneUsing the Serial connector Indicators Temp indicatorLamp indicator RemedyLamp unit replacement period Cleaning procedureLamp unit replacement procedure Before asking for service Specifications Horizontal scanningFrequency Vertical scanning Frequency Dot clock frequencyDimensions List of compatible signalsAppendix Trademark acknowledgements
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PT-LC55E, PT-LC75E specifications

The Panasonic PT-LC55E is an advanced LCD projector designed to deliver exceptional performance and versatility for various applications, including educational settings, corporate environments, and home entertainment. With its compact design, this projector combines portability with powerful features, making it an ideal choice for users seeking high-quality projection solutions.

One of the standout features of the PT-LC55E is its impressive brightness, which is rated at 2600 ANSI lumens. This high lumen output ensures that images remain vivid and clear, even in well-lit environments. The projector achieves excellent color accuracy and brightness uniformity, providing viewers with a superior visual experience. The native resolution of the PT-LC55E is XGA (1024x768), which allows for crisp and detailed images, making it suitable for displaying presentations, videos, and high-resolution graphics.

The PT-LC55E employs advanced LCD technology to produce sharp and vibrant images. This technology contributes to the projector's wide color gamut, ensuring that colors appear rich and lifelike. Additionally, the incorporation of a dynamic iris enhances contrast ratios, resulting in deeper blacks and brighter whites, which further enriches the overall viewing experience.

Connectivity options are varied and user-friendly, featuring HDMI, VGA, and composite video inputs, along with audio outputs. This range of connectivity ensures compatibility with a wide array of devices, including laptops, DVD players, and gaming consoles. The projector also includes a USB port, allowing for easy access to media files and seamless presentation capabilities.

The PT-LC55E is designed with convenience in mind, featuring a quick start-up and shut-down process that enhances usability. The built-in speakers provide adequate audio output for small to medium-sized rooms, eliminating the need for external audio systems in casual settings. For more demanding audio requirements, users can easily connect external sound systems.

An additional noteworthy characteristic of the PT-LC55E is its long lamp life, which can last up to 5000 hours in Eco mode. This longevity not only reduces maintenance costs but also contributes to the projector's eco-friendliness. Furthermore, the model is equipped with a filter that minimizes dust accumulation, ensuring optimal performance over time.

Ultimately, the Panasonic PT-LC55E stands out as a reliable, feature-rich projector that excels in various environments. Its combination of brightness, color accuracy, and ease of use make it an excellent choice for any presentation or entertainment needs. Whether for business meetings or educational purposes, the PT-LC55E offers an exceptional projection experience that is bound to impress.
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