Panasonic Projection Television LB20NTU Manuel utilisateur

ENGLISH

R

Before operating this product, please read the instructions carefully and save this

manual for future use.

LCD Projector

Operating Instructions

Model No. PT-LB20NTU

PT-LB20U

PT-LB20SU

PT-LB20VU

TQBJ 0166

Commercial Use

ENTER

FREEZE

SHUTTER

INDEX

WINDOW

PROJECTOR

VOLUME D.ZOOM

STD

AUTO

SETUP

VIDEO

INPUT

POWER

RGB

MENU

2-ENGLISH

IMPORTANT SAFETY NOTICE

Dear Panasonic Customer:

This instruction booklet provides all the necessary operating information that

you might require. We hope it will help you to get the most out of your new

product, and that you will be pleased with your Panasonic LCD projector.

The serial number of your product may be found on its bottom. You should

note it in the space provided below and retain this booklet in case service is

required.

Model number: PT-LB20NTU / PT-LB20U / PT-LB20VU / PT-LB20SU

Serial number:

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO

NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.

The lightning flash with arrowhead symbol, within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the

product’s enclosure that may be of sufficient magnitude to

constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the product.

Power Supply: This LCD Projector is designed to operate on 100 V – 240 V, 50 Hz/60

Hz AC, house current only.

CAUTION: The AC power cord which is supplied with the projector as an accessory can

only be used for power supplies up to 125 V, 7 A. If you need to use higher

voltages or currents than this, you will need to obtain a separate 250 V

power cord. If you use the accessory cord in such situations, fire may result.

ENGLISH-3

Preparation

CAUTION:

This equipment is equipped with a three-pin

grounding-type power plug. Do not remove the

grounding pin on the power plug. This plug will only

fit a grounding-type power outlet. This is a safety

feature. If you are unable to insert the plug into the

outlet, contact an electrician. Do not defeat the

purpose of the grounding plug.

Do not remove

WARNING:

This equipment has been tested and found to comply with the limits for a

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits

are designed to provide reasonable protection against harmful interference

in a residential installation. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance

with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna.

– Increase the separation between the equipment and receiver.

– Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

– Consult the dealer or an experienced radio/TV technician for help.

FCC CAUTION: To assure continued compliance, use only shielded

interface cables when connecting to computers or

peripheral devices.

Any unauthorized changes or modifications to this

equipment will void the users authority to operate.

If you use serial port to connect PC for external control of

projector, you must use optional RS-232C serial interface

cable with ferrite core. Any unauthorized changes or

modifications to this equipment will void the user

’

s

authority to operate.

FCC RF Exposure Warning: (if provided with wireless device)

–

This equipment complies with FCC radiation exposure limits set forth for

an uncontrolled environment.

–

This equipment has been approved for mobile operation and requires

minimum 20 cm spacing be provided between antenna(s) and all

person's body (excluding extremities of hands, wrist and feet) during

wireless modes of operation.

–

This equipment may not be used with other installed transmitters, which

may be capable of simultaneous transmission.

4-ENGLISH

WARNING:

B Not for use in a computer room as defined in the Standard for the

Protection of Electronic Computer/Data Processing Equipment,

ANSI/NFPA 75.

B For permanently connected equipment, a readily accessible disconnect

device shall be incorporated in the building installation wiring;

B For pluggable equipment, the socket-outlet shall be installed near the

equipment and shall be easily accessible.

Declaration of Conformity

Model Number: PT-LB20NTU/PT-LB20U/PT-LB20VU/PT-LB20SU

Trade Name: Panasonic

Responsible party: Panasonic Corporation of North America

Address: One Panasonic Way Secaucus New Jersey 07094

Telephone number: 1-800-528-8601 or 1-800-222-0741

Email: [email protected]

This device complies with Part 15 of the FCC Rules. Operation is subject to

the following two conditions: (1) This device may not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

ENGLISH-5

Preparation

Contents

Preparation

IMPORTANT SAFETY NOTICE ...2

Precautions with regard to

safety .........................................6

Accessories ...............................10

Before use ..................................11

Location and function of each

part...........................................13

Getting started

Setting-up...................................18

Projection methods, Projector

position, Projection distances

Connections...............................21

Connecting to computer,

Connecting to video equipment

Preparation for the remote

control unit..............................23

Basic operation

Turning on the power................24

Turning off the power................26

Useful functions

Correcting keystone distortion

and automatic positioning.....28

Turning off the picture and sound

momentarily ............................29

Pausing a picture.......................29

Enlarging the picture.................30

Adjusting the volume ................30

Displaying two screens.............31

Adjustments and settings

On-screen menus ......................32

Menu screens, Menu operation

guide, Returning a setting to the

factory default

Correcting keystone distortion...

36

Adjusting the picture.................37

PICTURE MODE, CONTRAST,

BRIGHT, COLOR, TINT,

SHARPNESS, COLOR TEMP.,

White balance R/G/B,

DAYLIGHTVIEW, AI,

TV-SYSTEM, STILL MODE,

SIGNAL MODE, Projecting sRGB-

compatible pictures

Adjusting the position...............41

POSITION, DOT CLOCK, CLOCK

PHASE, ASPECT, RESIZING,

FRAME LOCK

Changing the display

language..................................44

Option settings ..........................45

OSD, AUTO SEARCH, AUTO

SIGNAL, AUTO KEYSTN, RGB2

SELECT, RGB/YPBP

R, VGA60/480p,

SXGA MODE, Noise Reduction (NR),

BLACKBOARD, BACK COLOR,

FRONT/REAR, DESK/CEILING, FAN

CONTROL, LAMP POWER, LAMP

RUNTIME, FUNC 1, CONTROL KEY,

AUTO POW.OFF, POWER MEMORY

Setting up the security

function ...................................49

INPUT PASSWD, AMEND PASSWD,

TEXT DISPLAY, TEXT CHANGE

Network setup............................51

Care and maintenance

When the TEMP indicator and the

LAMP indicator are

illuminated...............................52

Cleaning and replacing

the air filter ..............................54

Replacing the lamp unit ............55

Before calling for service..........58

Cleaning and maintenance .......59

Others

Specifications ............................60

Appendix ....................................62

List of compatible signals, Projection

dimensions calculation methods,

Using the SERIAL connector

Dimensions ................................66

Trademark acknowledgements

...66

NOTES IMPORTANTES

CONCERNANT LA SECURITE

...67

Précautions de sécurité

..............68

Avant l’utilisation

..........................72

Remplacement du bloc de lampe

...74

6-ENGLISH

Precautions with regard to safety

WARNING

If you notice smoke, strange smells or noise coming from the

projector, disconnect the power cord plug from the wall outlet.

B Do not continue to use the projector in such cases, otherwise fire or

electric shocks could result.

B Check that no more smoke is coming out, and then contact an Authorized

Service Center for repairs.

B Do not attempt to repair the projector yourself, as this can be dangerous.

Do not install this projector in a place which is not strong enough to

take the full weight of the projector.

B If the installation location is not strong enough, it may fall down or tip over,

and severe injury or damage could result.

Installation work (such as ceiling suspension) should only be carried

out by a qualified technician.

B If installation is not carried out correctly, there is the danger that injury or

electric shocks may occur.

If foreign objects or water get inside the projector, or if the projector is

dropped or the cabinet is broken, disconnect the power cord from the

wall outlet.

B Continued use of the projector in this condition may result in fire or electric

shocks.

B Contact an Authorized Service Center for repairs.

Do not overload the wall outlet.

B If the power supply is overloaded (for example, by using too many

adapters), overheating may occur and fire may result.

Do not remove the cover or modify it in any way.

B High voltages can cause fire or electric shocks.

B For any inspection, adjustment and repair work, please contact an

Authorized Service Center.

Clean the power cord plug regularly to prevent it from becoming

covered in dust.

B If dust builds up on the power cord plug, the resulting humidity can

damage the insulation, which could result in fire. Pull the power cord plug

out from the wall outlet and wipe it with a dry cloth.

B If not using the projector for an extended period of time, pull the power

cord plug out from the wall outlet.

Do not do anything that might damage the power cord or the power

cord plug.

B Do not damage the power cord, make any modifications to it, place it near

any hot objects, bend it excessively, twist it, pull it, place heavy objects on

top of it or wrap it into a bundle.

ENGLISH-7

Preparation

B If the power cord is used while damaged, electric shocks, short-circuits or

fire may result.

B Ask an Authorized Service Center to carry out any repairs to the power

cord that might be necessary.

Do not handle the power cord plug with wet hands.

B Failure to observe this may result in electric shocks.

Insert the power cord plug securely into the wall outlet.

B If the plug is not inserted correctly, electric shocks or overheating could

result.

B Do not use plugs which are damaged or wall outlet which are coming

loose from the wall.

Do not place the projector on top of surfaces which are unstable.

B If the projector is placed on top of a surface which is sloped or unstable, it

may fall down or tip over, and injury or damage could result.

Do not place the projector into water or let it become wet.

B Failure to observe this may result in fire or electric shocks.

Do not place the projector on soft materials such as carpets or sponge

mats.

B Doing so may cause the projector to overheat, which can cause burns, fire

or damage to the projector.

Do not place liquid containers on top of the projector.

B If water spills onto the projector or gets inside it, fire or electric shocks

could result.

B If any water gets inside the projector, contact an Authorized Service

Center.

Do not insert any foreign objects into the projector.

B Do not insert any metal objects or flammable objects into the projector or

drop them onto the projector, as doing so can result in fire or electric

shocks.

Keep the batteries out of the reach of infants.

B If the batteries are swallowed, death by suffocation may result. If you

believe that the batteries may have been swallowed, seek medical advice

immediately.

Do not allow the + and - terminals of the batteries to come into contact

with metallic objects such as necklaces or hairpins.

B Failure to observe this may cause the batteries to leak, overheat, explode

or catch fire.

B

Store the batteries in a plastic bag and keep them away from metallic objects.

During a thunderstorm, do not touch the projector or the cable.

B Electric shocks can result.

Do not use the projector in a bath or shower.

B Fire or electric shocks can result.

8-ENGLISH

Do not look into the lens while the projector is being used.

B Strong light is emitted from the projector’s lens. If you look directly into this

light, it can hurt and damage your eyes.

B Be especially careful not to let young children look into the lens. In

addition, disconnect the power cord when you are away from the projector.

Do not place your hands or other objects close to the air outlet port.

B Heated air comes out of the air outlet port. Do not place your hands or

face, or objects which cannot withstand heat close to this port, otherwise

burns or damage could result.

Replacement of the lamp unit should only be carried out by a qualified

technician.

B The lamp unit has high internal pressure. If improperly handled, explosion

might result.

B The lamp unit can easily become damaged if struck against hard objects

or dropped, and injury or malfunctions may result.

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

handling it.

B The lamp cover gets very hot, and touching it can cause burns.

Before replacing the lamp, be sure to disconnect the power cord from

the wall outlet.

B Electric shocks or explosions can result if this is not done.

Caution

Do not cover the air inlet port or the air outlet port.

B Doing so may cause the projector to overheat, which can cause fire or

damage to the projector.

B Do not place the projector in narrow, badly ventilated places such as

closets or bookshelves.

B Do not place the projector on cloth or papers, as these materials could be

drawn into the air inlet port.

Do not set up the projector in humid or dusty places or in places where

the projector may come into contact with smoke or steam.

B Using the projector under such conditions may result in fire or electric

shocks.

When disconnecting the power cord, hold the plug, not the lead.

B If the power cord itself is pulled, the lead will become damaged, and fire,

short-circuits or serious electric shocks may result.

Always disconnect all cables before moving the projector.

B Moving the projector with cables still attached can damage the cables,

which could cause fire or electric shocks to occur.

Do not place any heavy objects on top of the projector.

B Failure to observe this may cause the projector to become unbalanced

and fall, which could result in damage or injury.

ENGLISH-9

Preparation

Do not short-circuit, heat or disassemble the batteries or place them

into water or fire.

B Failure to observe this may cause the batteries to overheat, leak, explode

or catch fire, and burns or other injury may result.

When inserting the batteries, make sure the polarities (+ and -) are

correct.

B If the batteries are inserted incorrectly, they may explode or leak, and fire,

injury or contamination of the battery compartment and surrounding area

may result.

Use only the specified batteries.

B If incorrect batteries are used, they may explode or leak, and fire, injury or

contamination of the battery compartment and surrounding area may

result.

Insulate the battery using tape or similar before disposal.

B If the battery comes into contact with metallic objects or other batteries, it

may catch fire or explode.

Do not put your weight on this projector.

B You could fall or the projector could break, and injury may result.

B Be especially careful not to let young children stand or sit on the projector.

If not using the projector for an extended period of time, disconnect the

power cord plug from the wall outlet.

B If dust builds up on the power cord plug, the resulting humidity may

damage the insulation, which could result in fire.

B This projector continues to draw approximately 4 W of power even when

the power is turned off.

Disconnect the power cord plug from the wall outlet as a safety

precaution before carrying out any cleaning.

B Electric shocks can result if this is not done.

Ask an Authorized Service Center to clean inside the projector at least

once a year.

B If dust is left to build up inside the projector without being cleaned out, it

can result in fire or problems with operation.

B It is a good idea to clean the inside of the projector before the season for

humid weather arrives. Ask your nearest Authorized Service Center to

clean the projector when required. Please discuss with the Authorized

Service Center regarding cleaning costs.

We are constantly making efforts to preserve and maintain a clean

environment. Please take non repairable units back to your dealer or a

recycling company.

10-ENGLISH

Card remote control unit

(N2QADC000008 x1)

Power cord

(K2CG3DR00006 x 1)

Carrying bag

(TPEP013-1 x 1)

Lithium battery for

remote control unit

(CR2025 x1)

RGB signal cable

[1.8 m (5´10˝),

K1HA15DA0002 x1]

Accessories

Check that all of the accessories shown below have been included with your

projector.

ENTER

FREEZE

SHUTTER

INDEX

WINDOW

PROJECTOR

VOLUME D.ZOOM

STD

AUTO

SETUP

VIDEO

INPUT

POWER

RGB

MENU

CD-ROM*

(TQBH9007 x1)

*PT-LB20NTU only

NOTICE:

B This product has a High Intensity Discharge (HID) lamp that contains a

small amount of mercury. It also contains lead in some components.

Disposal of these materials may be regulated in your community due to

environmental considerations. For disposal or recycling information

please contact your local authorities, or the Electronics Industries

Alliance: <http://www.eiae.org.>

ENGLISH-11

Preparation

Before use

Caution when moving the projector

Be sure to attach the lens cover before moving the projector.

The projection lens is extremely susceptible to vibration and shocks. When

moving the projector, use the accessory carrying bag. When placing the

projector inside the carrying bag, position it so that the lens is facing upward.

Do not put anything else in the bag other than the projector and the cables.

Cautions regarding setting-up

Avoid setting up in places which are subject to vibration or shocks.

The internal parts can be damaged, which may cause malfunctions or

accidents.

Avoid setting up in places which are subject to sudden temperature

changes, such as near an air conditioner.

The life of the lamp may be shortened.

Do not set up the projector near high-voltage power lines or near

motors.

The projector may be subject to electromagnetic interference.

If installing the projector to the ceiling, ask a qualified technician to

carry out all installation work.

You will need to purchase the separate installation kit (Model No.ET-PKB30).

Furthermore, all installation work should only be carried out by a qualified

technician.

If using this projector at high elevations (above 1 400 m), set the “FAN

CONTROL” to “HIGH”. (Refer to page 47.)

Failure to observe this may result in malfunctions.

12-ENGLISH

Notes on use

In order to get the best picture quality

Draw curtains or blinds over any windows and turn off any lights near the

screen to prevent outside light or light from indoor lamps from shining onto

the screen.

Do not touch the surfaces of the lens with your bare hands.

If the surface of the lens becomes dirty from fingerprints or anything else, this

will be magnified and projected onto the screen. Moreover, when not using

the projector, retract the lens and then cover it with the lens cover.

Screen

Do not apply any volatile substances which may cause discoloration to the

screen, and do not let it become dirty or damaged.

Lamp

The lamp may need to be replaced earlier due to variables such as individual

lamp characteristics, usage conditions and the installation environment,

especially when the projector is subjected to continuous use for more than

10 hours or the power is frequently turned on and off.

Liquid crystal panel

The liquid crystal panel of the projector is built with very high precision

technology to provide fine picture details. Occasionally, a few non-active

pixels may appear on the screen as fixed points of blue, green or red.

Please note that this does not affect the performance of your LCD.

ENGLISH-13

Preparation

Location and function of each part

# Projector control panel (page 16)

$ Zoom ring (page 25)

% Focus ring (page 25)

& Security lock

This can be used to connect a commercially-available theft-prevention

cable (manufactured by Kensington). This security lock is compatible with

the Microsaver Security System from Kensington.

' Leg adjuster buttons (L/R) (page 25)

These buttons are used to unlock the front adjustable legs. Press to adjust

the angle of tilt of the projector.

( Lens cover

) Projection lens

* Remote control signal receptor (page 23)

Projector <Top, right and front>

#$%

&

'

(

'

*

)

14-ENGLISH

# Connector panel (page 15)

$ Air outlet port

Do not cover this port.

% Speaker

& Front adjustable legs (L/R) (page 25)

' Air inlet port, Air filter (page 54)

Do not cover this port.

( Lamp unit cover (page 55)

WARNING

Do not place your hands or other objects close to the air outlet port.

B Heated air comes out of the air outlet port. Do not place your hands or

face, or objects which cannot withstand heat close to this port, otherwise

burns or damage could result.

Projector <Back and bottom>

NOTE:

B During projection of an image, the cooling fan will operate, emitting a

small noise as it operates. This noise may change depending on the

ambient temperature. Turning the lamp on or off will cause this noise to

increase a little.

B By using the “OPTION” menu to set “LAMP POWER” to “LOW”, the

operating sound of the fan can be reduced. (Refer to page 47.)

#

(

$%$

'

&

ENGLISH-15

Preparation

Connector panel

# Power input socket (AC IN) (page 24)

The accessory power cord is connected here.

Do not use any power cord other than the accessory power cord.

$ SERIAL connector (pages 21, 22 and 64)

This connector is used to connect a personal computer to the projector in

order to control the projector externally. (RS-232C compatible)

% RGB1 IN connector (pages 21 and 22)

This connector is used to input RGB signals and YPBPR signals.

& RGB2 IN/1 OUT connector (pages 21, 22 and 46)

This connector is used to input or output RGB signals and YPBPR signals.

Adjust “RGB2 SELECT” in the “OPTION” menu to select whether you want

input or output with this connector.

' S-VIDEO IN connector (pages 22 and 42)

This connector is used to input signals from S-VIDEO-compatible

equipment such as a video deck. The connector is S1 signal compatible,

and it automatically switches between 16:9 and 4:3 aspect ratios in

accordance with the type of signal being input.

( VIDEO IN connector (page 22)

This connector is used to input video signals from video equipment such

as a video deck.

) AUDIO IN L-R connectors (pages 21 and 22)

* Menu operation (page 16)

16-ENGLISH

Menu

operation

<on connector

panel:page 15>

Remote control unit

FREEZE

SHUTTER

INDEX

WINDOW

PROJECTOR

STD

AUTO

SETUP

INPUT

POWER

MENU

ENTER

VIDEO RGB

VOLUME D.ZOOM

'

(

+

-

.

/

0

1

2

,

)

*

Projector control panel

# RGB INPUT indicator

This indicator illuminates when a signal is being input to the connector

(RGB1 IN or RGB2 IN) selected using the input select buttons.

$ LAMP indicator (page 53)

This indicator illuminates when it is time to replace the lamp unit. It flashes

if a circuit abnormality is detected.

#$%

'

(

&

)

*

+,

ENGLISH-17

Preparation

% TEMP indicator (page 52)

This indicator illuminates if an abnormally high temperature is detected inside

the projector or around it. If the temperature rises above a certain level, the

power supply will be turned off automatically and the indicator will flash.

& Illumination sensor (page 39)

This sensor detects the luminance when the “DAYLIGHTVIEW” function is

operating. Do not cover the projector and do not place any object on the

projector when using it.

' POWER button (pages 24, 26 and 27)

This button is used to turn the power on and off. This button on the

projector illuminates red when the projector is in standby mode, and it

illuminates green when a picture starts to be projected.

( INPUT buttons (page 25)

These buttons are used to switch the input signals from the connected

equipment.

) AUTO SETUP button (pages 25 and 28)

If this button is pressed while a picture is being projected, the projection

settings will be adjusted automatically in accordance with the signal being

input. In addition, the angle of tilt of the projector will be automatically

detected and adjusted in order to correct any keystone distortion.

* MENU button (pages 32 and 34)

This button is used to display the “MAIN MENU”. When a menu screen is

being displayed, this button can be used to return to a previous screen or

to clear the screen.

+ Arrow (

FFGGII

and

HH

) buttons (page 34)

These buttons are used to select and adjust items in the on-screen menus.

, ENTER button (page 34)

This button is used to accept and to activate items selected in the on-screen

menus.

- FREEZE button (page 29)

This button is used to momentarily freeze projection so that a still picture is

displayed.

. SHUTTER button (page 29)

This button is used to momentarily turn off the picture and sound.

/ VOLUME +/- buttons (page 30)

These buttons are used to adjust the volume of the sound output from the

projector’s built-in speaker. Refer to page 33 for details on how to adjust

the volume without using the remote control unit.

0 STD (standard) button (page 35)

This button is used to reset the projector adjustment values to the factory

default settings.

1 INDEX WINDOW button (page 31)

This button can be used to split the image projection area into a still picture

and a moving picture. When NETWORK is selected, the screen display will

be switched between four window style, index style, and 16 Index style.

(PT-LB20NTU only. Refer to the accessory CD-ROM for details.)

2 D.ZOOM +/- buttons (page 30)

These buttons are used to enlarge the projected image.

18-ENGLISH

Setting-up

Projection methods

In way of installing projector, 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 “OPTION” menu. Refer

to pages 46 and 47 for details.)

BFront-desk projection BFront-ceiling projection

BRear-desk projection

(Using a translucent screen)

BRear-ceiling projection

(Using a translucent screen)

Menu items Setting

FRONT

DESK

FRONT/REAR

DESK/CEILING

Menu items Setting

FRONT

CEILING

FRONT/REAR

DESK/CEILING

Menu items Setting

REAR

DESK

FRONT/REAR

DESK/CEILING

Menu items Setting

REAR

CEILING

FRONT/REAR

DESK/CEILING

NOTE:

B You will need to purchase the separate ceiling bracket (ET-PKB30)

when using the ceiling installation method.

B Do not set up the projector vertically or tilted horizontally, otherwise it

may cause damage to the projector.

B It is recommended that you set up the projector in a place that is tilted

at less than ±30° vertically. Setting up the projector in places that are

tilted at more than ±30° vertically may shorten component life.

ENGLISH-19

Getting started

H1

L

SH

L

SW

81.2 mm

(3-3/16˝)

Projector position

L: Projection distance

SH: Image height

SW:Image width

H1: Distance from center

of lens to bottom edge

of projected image

Top edge of screen

Screen

Bottom edge of screen

Screen

Projection distances

Wide (LW) Telephoto (LT)

Projection distance (L)

Height position

(H1)

4:3 Screen size

(diagonal)

—0.84 m(33˝)

1.02 m(40˝)

1.27 m(50˝)

1.52 m(60˝)

1.78 m(70˝)

2.03 m(80˝)

2.29 m(90˝)

2.54 m(100˝)

3.05 m(120˝)

3.81 m(150˝)

5.08 m(200˝)

6.35 m(250˝)

7.62 m(300˝)

1.2 m(3´11˝)

1.5 m(4´11˝)

1.8 m(5´10˝)

2.1 m(6´10˝)

2.4 m(7´10˝)

2.7 m(8´10˝)

3.0 m(9´10˝)

3.6 m(11´9˝)

4.5 m(14´9˝)

6.0 m(19´8˝)

7.5 m(24´7˝)

9.0 m(29´6˝)

1.1 m(3´7˝)

1.4 m(4´7˝)

1.7 m(5´6˝)

2.1 m(6´10˝)

2.4 m(7´10˝)

2.8 m(9´2˝)

3.2 m(10´5˝)

3.5 m(11´5˝)

4.2 m(13´9˝)

5.3 m(17´4˝)

7.1 m(23´3˝)

8.9 m(29´2˝)

10.7 m(35´1˝)

0.08 m(3-1/8˝)

0.09 m(3-17/32˝)

0.11 m(4-5/16˝)

0.14 m(5-1/2˝)

0.16 m(6-9/32˝)

0.18 m(7-1/16˝)

0.20 m(7-27/32˝)

0.22 m(8-21/32˝)

0.26 m(10-7/32˝)

0.33 m(12-31/32˝)

0.44 m(17-5/16˝)

0.55 m(21-5/8˝)

0.66 m(25-31/32˝)

PT-LB20NTU/PT-LB20U

20-ENGLISH

NOTE:

B The dimensions in the table above are approximate.

B If you use the projection distance for the 16:9 screen,

the 4:3 projection image overflows the screen at the top

and bottom.

B For details about projected image distances, refer to

page 63.

Wide (LW) Telephoto (LT)

Projection distance (L)

Height position

(H1)

4:3 Screen size

(diagonal)

—0.84 m(33˝)

1.02 m(40˝)

1.27 m(50˝)

1.52 m(60˝)

1.78 m(70˝)

2.03 m(80˝)

2.29 m(90˝)

2.54 m(100˝)

3.05 m(120˝)

3.81 m(150˝)

5.08 m(200˝)

6.35 m(250˝)

7.62 m(300˝)

1.2 m(3´11˝)

1.5 m(4´11˝)

1.8 m(5´10˝)

2.1 m(6´10˝)

2.4 m(7´10˝)

2.8 m(9´2˝)

3.0 m(9´10˝)

3.7 m(12´1˝)

4.6 m(15´1˝)

6.1 m(20´)

7.6 m(24´11˝)

9.2 m(30´2˝)

1.1 m(3´7˝)

1.4 m(4´7˝)

1.8 m(5´10˝)

2.1 m(6´10˝)

2.5 m(8´2˝)

2.9 m(9´6˝)

3.2 m(10´5˝)

3.6 m(11´9˝)

4.3 m(14´1˝)

5.4 m(17´8˝)

7.3 m(23´11˝)

9.1 m(29´10˝)

11.0 m(36´1˝)

0.08 m(3-1/8˝)

0.09 m(3-17/32˝)

0.11 m(4-5/16˝)

0.14 m(5-1/2˝)

0.16 m(6-9/32˝)

0.18 m(7-1/16˝)

0.20 m(7-27/32˝)

0.22 m(8-21/32˝)

0.26 m(10-7/32˝)

0.33 m(12-31/32˝)

0.44 m(17-5/16˝)

0.55 m(21-5/8˝)

0.66 m(25-31/32˝)

PT-LB20SU

Wide (LW) Telephoto (LT)

Projection distance (L)

Height position

(H1)

4:3 Screen size

(diagonal)

—0.84 m(33˝)

1.02 m(40˝)

1.27 m(50˝)

1.52 m(60˝)

1.78 m(70˝)

2.03 m(80˝)

2.29 m(90˝)

2.54 m(100˝)

3.05 m(120˝)

3.81 m(150˝)

5.08 m(200˝)

6.35 m(250˝)

7.62 m(300˝)

PT-LB20VU

1.4 m(4´7˝)

1.7 m(5´6˝)

2.1 m(6´10˝)

2.4 m(7´10˝)

2.8 m(9´2˝)

3.1 m(10´2˝)

3.5 m(11´5˝)

4.2 m(13´9˝)

5.2 m(17´)

7.0 m(22´11˝)

8.7 m(28´6˝)

10.5 m(34´5˝)

1.4 m(4´7˝)

1.7 m(5´6˝)

2.1 m(6´10˝)

2.5 m(8´2˝)

2.9 m(9´6˝)

3.4 m(11´1˝)

3.8 m(12´5˝)

4.2 m(13´9˝)

5.0 m(16´4˝)

6.3 m(20´8˝)

8.4 m(27´6˝)

10.6 m(34´9˝)

12.7 m(41´8˝)

0.04 m(1-9/16˝)

0.05 m(1-15/16˝)

0.06 m(2-11/32˝)

0.07 m(2-3/4˝)

0.08 m(3-1/8˝)

0.09 m(3-17/32˝)

0.11 m(4-5/16˝)

0.12 m(4-23/32˝)

0.14 m(5-1/2˝)

0.18 m(7-1/16˝)

0.23 m(9-1/32˝)

0.29 m(11-13/32˝)

0.35 m(13-3/4˝)

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