Panasonic Pt Lb51nte Projector Operating Instructions

							Precautions with regard to safety
ENGLISH - 11
Important 
InformationIn 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.
Liquid crystal panel
 Do not project the same image for long periods of 
time, as this may remain as an afterimage on the 
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 stuck pixels may appear 
on the screen as fixed points of blue, green or red. It 
is recommended to switch off the projector once and 
try after 1hour later again. Please note that this does 
not affect the performance of your LCD.Screen
 Do not apply any volatile substances which may 
cause discolouration to the screen, and do not let it 
become dirty or damaged.
The projector has a high pressure mercury lamp and 
that is characterised as follows.
 The brightness of the lamp depends on the duration 
of use.
 The lamp may explode or shorten the lamp life by 
shocks or chipping damage.
 The lamp may explode only occasionally after using 
the projector.
 The lamp may explode if using the projector after the 
instructed lamp replacement timing.
 The lamp life is depends on individual lamp 
characteristics, usage condition and the installation 
environment. Especially the consecutive use of the 
projector for more than 10 hours, or the frequent 
switching on or off may greatly affect on the lamp life.
Optical components
 If you use the projector consecutively 6 hours every 
day, the optical components may need to be replaced 
in less than 1 year.
Make sure the following accessories are provided with your projector.
Cautions on use
Accessories
Remote control* 
PT-LB51NTE : 
                  N2QAYB000169 (X1)
PT-LB51E:
                  N2QAYB000172 (X1)
*The illustration above is the remote 
control unit for the PT-LB51NTE.Mains lead (x1)
TXFSX02QHUZAA batteries for 
Remote control (x2)RGB signal cable (x1)
[1.8 m (5’ 10”),
K1HA15DA0002 x1]
Carrying bag (x1)
(TPEP018)CD-ROM* (x1)
TQBH9009
*PT-LB51NTE only
AUTO
SETUP
INPUT
SELECT
COMPUTER WIRELESS VIDEO
WIRELESS
PRESENTATIONPAG E
MENU
ENTER
FREEZE SHUTTERCOMPUTER
SEARCHDEFAULTINDEX-WINDOW
MULTI-LIVE
DIGITAL ZOOM VOLUMERETURN 
						

							ENGLISH - 12
Preparation
About Your Projector
Battery compartment
1. Press the tab and lift up the cover.
2. Insert the batteries according to the polarity diagram indicated inside.
Top view
Remote control signal emitter. (page 25)
Remote control
INPUT SELECT buttons
Switch the required input 
signal button to select.
 WIRELESS button is 
only for PT-LB51NTE.
 See CD-ROM contents.
RETURN
VO L U ME DIGITAL ZOOM MULTI-LIVE
INDEX-WINDOWDEFAULTCOMPUTER
SEARCHSHUTTER FREEZE
ENTER
MENUPAG E WIRELESS
PRESENTATION
VIDEO WIRELESS COMPUTER
INPUT
SELECTAUTO
SETUP
POWER button
Switch between stand-by 
mode and projection mode. 
(page 21)
PAGE buttons is only for 
PT-LB51NTE.
 See CD-ROM contents. Display the MAIN MENU. 
(page 29)
Navigate through the 
menus with FGIH, and 
activate the menu item with 
ENTER. (page 29)
Reset some of the settings to 
the factory default settings. 
(page 27)Turn off the projection 
temporarily.(page 26)
Display the frozen image 
while the display of 
subsequent images 
continues. (page 27)
MULTI-LIVE button is 
only for PT-LB51NTE.
 See CD-ROM 
contents.
COMPUTER SEARCH 
button is only for 
PT-LB51NTE.
 See CD-ROM contents. Control to change the 
scale by means of digital 
zoom. (page 28)
Control to adjust the 
volume of the speakers. 
(page 28)
Return to the previous menu. 
(page 29) Capture the projected image 
as a frozen picture. (page 26)Automatically adjust the 
setting of DOT CLOCK, 
CLOCK PHASE for the 
projected image of 
COMPUTER signal. (page 25) 
						

							Preparation
About Your Projector
ENGLISH - 13
Attaching a hand strap
You can attach a favourite strap on to the Remote control.
NOTE:
• Do not drop the Remote control.
• Avoid contact with liquids or moisture.
• Use manganese batteries or alkaline batteries with the Remote control.
• Do not attempt to modify or disassemble the Remote control. Contact an Authorised Service Centre for repairs.
• Do not keep pressing the Remote control buttons as this may shorten battery life.
• See “Remote control operation” on page 25. 
						

							Preparation
About Your Projector
ENGLISH - 14
JTop and front view
Projector body
NOTE:
• Do not cover the ventilation openings or place anything within 15 cm (6) of them as this may cause damage or injury.
MENU button (page 29)
Display the MAIN MENU.  POWER button (page 20)
POWER indicator (page 21)
Switch between stand-by mode 
and projection mode.
Navigation buttons (page 29)
Navigate through the menus with 
FGIH, and activate the menu 
item with ENTER.FUNCTION button (page 36) INPUT SELECT button (page 24)
Switch to cycle through the input 
method.
Focus ring (page 24)
JControl panel
Zoom ring (page 24)
Font leg adjuster 
(L) button (page 17)
These buttons are 
used to unlock the 
front adjustable legs. 
Press to adjust
the angle of tilt of the 
projector.Control panel 
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. 
Luminance Sensor 
(page 33)
This sensor detects the luminance 
when the “DAYLIGHT VIEW” 
function is operating. Do not cover 
the projector and do not place any 
object on the projector when 
using it.TEMP indicator (page 41) COMPUTER INPUT indicator 
This indicator illuminates when a 
signal is being input to the 
connector (COMPUTER1 IN or 
COMPUTER 2 IN) selected using 
the INPUT SELECT buttons.
LAMP indicator (page 41)
Projection lens Remote control signal 
receptor (page 25)
Font leg adjuster (R) button 
(page 17) 
						

							Preparation
About Your Projector
ENGLISH - 15
JBack and bottom view
NOTE:
• Do not cover the ventilation openings or place anything within 15 cm (6) of them as this may cause damage or injury.
• When a cable is connected to the VARIABLE AUDIO OUT, the built-in speaker will be disabled.
AC IN
Connect the Mains lead to 
supply electronic power to 
the projector. (page 20) Font adjustable legs (L/R)
Adjust the projection angle. 
(page 17)
COMPUTER1 IN
Connect an RGB signal 
cable from a computer.S-VIDEO IN
Connect a S-VIDEO signal 
cable.
VIDEO IN
Connect an RCA composite 
video cable.
COMPUTER AUDIO IN
Connect audio cables for 
inputting audio signals 
corresponding to 
COMPUTER1 IN and 
COMPUTER2 IN/1 OUT. SERIAL
See “Serial terminal” 
on page 47.Air exhaust port
VARIABLE AUDIO OUT
Connect an audio cables 
for outputting audio 
signals to the connected 
equipment.
JConnector Panel
Air exhaust port
Speaker
Air intake port, Air filter
(page 42)
COMPUTER2 IN/1 OUT
Connect an RGB signal cable from 
a computer. 
Selectable for input 
and output by menu operation.
Lamp unit compartment
(page 43) Connector Panel
AUDIO IN
Connect audio cables for 
inputting audio signal 
corresponding to VIDEO IN, 
S-VIDEO IN. 
						

							Getting Started
ENGLISH - 16
Setting up
You can adjust the projection size with 1.2x zoom lens. Calculate and define the throw distance as follows.
* All measurements above are approximate and may differ slightly from the actual measurements.
JCalculation methods for screen dimensions
You can calculate more detailed screen dimension from the screen diagonal. (Unit: m)
* The results above are approximate and may differ slightly from the actual measurements.
Screen size and throw distance
Projection size (4 : 3)Throw distance (L)Height
position
(H1)
Screen 
diagonal (SD)Screen height 
(SH)Screen width 
(SW)Minimum 
distance (LW)Maximum 
distance (LT)
33 (0.84 m) 0.50 m (17) 0.67 m (22) 1.1 m (37) 0.07 m (2-3/4”)
40 (1.02 m) 0.61 m (2) 0.81 m (27) 1.2 m (311) 1.4 m (47) 0.08 m (3-1/8”)
50 (1.27 m) 0.76 m (25) 1.02 m (34) 1.6 m (52) 1.8 m (510) 0.11 m (4-5/16”)
60 (1.52 m) 0.91 m (211) 1.22 m (4) 1.9 m (62) 2.1 m (610) 0.13 m (5-3/32”)
70 (1.78 m) 1.07 m (306) 1.42 m (47) 2.2 m (72) 2.5 m (82) 0.15 m (5-7/8”)
80 (2.03 m) 1.22 m (4) 1.63 m (54) 2.5 m (82) 2.9 m (96) 0.17 m (6-11/16”)
90 (2.29 m) 1.37 m (45) 1.83 m (6) 2.8 m (92) 3.3 m (109) 0.19 m (7-15/32”)
100 (2.54 m) 1.52 m (411) 2.03 m (67) 3.1 m (102) 3.6 m (119) 0.21 m (8-1/4”)
120 (3.05 m) 1.83 m (6) 2.44 m (8) 3.7 m (121) 4.4 m (145) 0.25 m (9-13/16”)
150 (3.81 m) 2.29 m (76) 3.05 m (10) 4.6 m (151) 5.5 m (18) 0.32 m (12-19/32”)
200 (5.08 m) 3.05 m (10) 4.06 m (133) 6.2 m (204) 7.3 m (2311) 0.42 m (16-17/32”)
250 (6.35 m) 3.81 m (126) 5.08 m (168) 7.7 m (253) 9.2 m (302) 0.53 m (20-27/32”)
300 (7.62 m) 4.57 m (1411) 6.10 m (20) 9.2 m (302) 11.1 m (365) 0.64 m (25-3/16”)
 Projection size(4:3) Projection size(16:9)
SH = SD X 0.0152 SH = SD X 0.0125
SW = SD X 0.0203 SW = SD X 0.0221
LW = 0.0307 X SD - 0.031 LW = 0.0335 X SD - 0.0315
LT = 0.0371 X SD - 0.029 LT = 0.0405 X SD - 0.0365
NOTE:
• Do not use the projector at a raised or a horizontally tilted position as it may cause 
malfunction of the projector.
• Make sure the projector lens surface is parallel with the screen. You can tilt the projector 
body approximately ± 30° vertically. Overtilting may result in shortening the component’s 
life.
• For the best quality of the projection image, install a screen where sun light or room light 
does not shine directly onto the screen. Close window shades or curtains to block the lights.
SD
SW
SH1 HL (LW/LT)
L (LW/LT)
H S
W S
m m   2 . 1 8Screen
Projected image 
						

							Getting Started
Setting up
ENGLISH - 17
You can use the projector with any of the following 4 projection methods. To set the desired method in the projector, 
See “INSTALLATION” on page 37..
You can adjust the projection angle in the vertical direction by pressing the Font leg adjuster buttons.
See “Positioning the image” on page 24.
Projection method
JSetting on a desk/floor and 
projecting from front JSetting on a desk/floor and 
projecting from rear
INSTALLATION: FRONT/DESKINSTALLATION: REAR/DESK
JMounting in the ceiling and 
projecting from frontJMounting in the ceiling and 
projecting from rear
INSTALLATION: FRONT/CEILINGINSTALLATION: REAR/CEILING
NOTE:
• A translucent screen is required for rear projection.
• When mounting the projector in the ceiling, the optional ceiling mount bracket (ET-PKB50) is required.
Front adjustable legs and throwing angle
NOTE:
• Heated air comes out of the Air exhaust port. Be careful of this when adjusting the Font adjustable legs.
• If keystone distortion occurs, see “KEYSTONE” on page 34. 
						

							Getting Started
ENGLISH - 18
Connections
 Read and follow the operating and connecting instructions of each peripheral device.
 The peripheral devices must be turned off.
 Use cables that match each peripheral device to be connected.
 If the input signal is affected by signal jitter, the projected image may have poor image quality and timebase 
correction is effective.
 Confirm the type of video signals. See “List of compatible signals” on page 46.
 Only one audio system circuit is available for each of the COMPUTER AUDIO IN and AUDIO IN L-R 
connectors, so if you change the audio input source, you will need to remove and insert the appropriate 
plugs.
 If the signal cables are disconnected or if the power supply for the computer or video deck is turned off while 
“DIGITAL ZOOM” or “INDEX-WINDOW” is being used, these functions will be cancelled. 
See “Enlarging the centred area” on page 28.
See “Projecting an image in INDEX-WINDOW mode” on page 27.
Before connection to the projector
Connecting with computers
NOTE:
• When COMPUTER2 SELECT in the OPTION menu is set to OUTPUT, do not connect any input signals.
• Refer to the accessory CD-ROM for details on the wireless network that can be used for controlling the projector with a 
personal computer. (PT-LB51NTE only)
Computers
DIN 8-pin
(male) Computer for 
controlling
RGB signal cable 
(Commercial)
RGB signal cable 
(Commercial)
Computers Serial adapter
(ET-ADSER :
sold separately)
MonitorAudio system 
						

							Getting Started
Connections
ENGLISH - 19
JConnecting with VIDEO IN/S-VIDEO IN
JConnecting with COMPONENT IN
Connecting with AV equipment
NOTE:
• If you connect the BNC cables, use with a commercial BNC-RCA adaptor.
DVD player
Audio system To S-VIDEO output
Video player To video output or 
audio output
DVD player
(with component video 
connectors) D-sub15-pin (male) - BNCx5 (male) adapter cable
Red (connect to P
R signal connector)
Blue (connect to P
B signal connector)
Green (connect to Y signal connector)
Audio systemTo audio output BNC/RCA adapter 
						

							ENGLISH - 20
Basic Operation
Switching the projector on/off
JConnecting
1. Make sure the shape of the mains plug and the AC IN connector on the back of 
the projector match, then push the plug all the way in.
2. Connect the Mains lead to a mains socket.
JDisconnecting
1. Check that the POWER indicator of the POWER button is lit red, and then unplug the Mains lead from the 
mains socket.
2. Hold the plug and unplug the Mains lead from the AC IN connector on the back of the projector.
JDirect power off function
You can disconnect the Mains lead during projection or immediately after use and move the projector. The 
cooling fan will operate by the internal power supply to cool down the lamp.
 When this function is used, it may take more time for the lamp to turn back on again compared to when the lamp cools 
down with the Mains lead connected.
 Do not put the projector in a bag while the POWER button on the projector is illuminated.
JDirect power on function
If you activate the DIRECT POWER ON, you can start the projection only with connecting the Mains lead. See 
“DIRECT POWER ON” on page 37.
Mains lead
NOTE:
• Do not use other than a provided Mains lead.
• Ensure all the input devices are connected and turned off before connecting the Mains lead.
• Do not force the connector as this may damage the projector and/or the Mains lead.
• Dirt or dust build-up around plugs may cause fire or electrical hazards.
• Switch off the power to the projector when not in use.