Panasonic LCD Projector PT-LB51NTU PT-LB51U PT-LB51SU Operating Instructions

PICTURE menu
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Settings
You can keep the projected image bright and vivid even 
in well-lit rooms where the ambient light sources cannot 
be controlled, such as when a door opens or when 
window coverings fail to block out sunlight.
 AUTO: Automatic adjustment
 OFF:Deactive
The lamp is controlled according to the input signals to 
project images with the best quality.
 ON: Active
 OFF:Deactive
You can perform more detailed image adjustment 
manually.
JFor RGB signals
QWHITE BALANCE
You can...

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Settings
POSITION menu
This projector detects its own degree of tilt and corrects 
the keystone distortion automatically.
 OFF: Deactive
 ON: Active
This projector detects its own degree of tilt and corrects 
the keystone distortion automatically (“REALTIME 
KEYSTONE”). However, keystone distortion may still 
affect the images in some cases (e.g. when the projector 
is tilted slightly and the tilt is corrected slowly by hand or 
when the screen itself is tilted). In such cases, set...

LANGUAGE menu
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Settings
Q4:3
The input signal will be projected without any 
change.
Q16:9
The squeezed signal will be projected in 16:9 ratio.
QS4:3
The input signal will be sized down 75 % and 
projected. S4:3 mode is effective when projecting 
4:3 image on to a 16:9 screen.
QAUTO
The S1 signal which contains an identifying signal 
will be detected and automatically project the 
image in proper ratio.(S-VIDEO/VIDEO/COMPUTER/COMPONENT signals 
only)
When the input signal resolution is lower...

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Settings
OPTION menu
When the input signal is changed, the input signal 
information will be displayed in the upper right corner of 
the projected images. You can select the level of the 
input signal information.
You can switch the logo on/off that is displayed when 
starting up the projector. Press I H to select the 
required option.
 ONActive
 OFFDeactive
You can assign frequently-used operations to the 
FUNCTION button on the projector and use it as a 
convenient shortcut button. The...

OPTION menu
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Settings
You can check how long the lamp has been used.
You can set the off timer to switch off the POWER of the 
projector after a certain period of time automatically 
when no signal is detected. Press I H to select the 
required period from 15 to 60 minutes at intervals of 
5 minutes.
You can switch the projector start up status for when the 
Power cord is connected. Press I H to select the 
required option.
 OFFThe projector will start from the 
standby mode or the projecting...

Settings
OPTION menu
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If you use the projector at high elevation, the HIGHLAND 
setting need to be ON to set the fan speed high. Press 
I H to select the required option.
 OFFThe fan speed is low.
 ONThe fan speed is high.
(480i, 576i, 480p, 576p, 1 080/60i, 1 080/50i, 720/60p 
and VGA480 signals only)
This sets the signal that is input to the COMPUTER1 IN 
and COMPUTER2 IN/1 OUT connector.
Normally “AUTO” should be selected. RGB or YP
BPR is 
selected automatically depending on the...

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Settings
SECURITY menu
JEntering the SECURITY
Every time when you apply to the SECURITY 
menu, you will be asked to perform the password 
operation.
When you apply to the SECURITY menu before you 
change the password to your original, perform to input 
the following factory default password operation.
 Press F H G I F H G I and ENTER.
QAfter you change the password
When you apply to the SECURITY menu after you 
change the password to your original in the 
PASSWORD CHANGE menu, input the...

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Settings
WIRELESS menu (PT-LB51NTU only)
In WIRELESS menu, the following items are available.
 NETWORK
Select the network setting you want to use.
 NAME CHANGE
The name for this projector can be set.
 INPUT PASSWORD
Set to “ON” if you want password confirmation to be 
used when controlling the projector with a personal 
computer by means of the wireless network.
 PASSWORD CHANGE
Passwords can be changed.
 WEB CONTROL
To control the projector with a personal computer by 
means of the wireless...

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Maintenance
TEMP, LAMP Indicators
If a problem should occur with the projector, the TEMP, LAMP indicators will inform you. Manage the indicated 
problems as follow.
1. Confirm the status of all indicators and projector, and switch off the projector in proper way.
2. Find out the cause of the problem by status of the TEMP, LAMP indicators.
3. Follow the instruction for each indication below and solve the problem.
4. Turn on the projector in the correct way and confirm the indicator is not...

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Maintenance
Care and Replacement
JBefore cleaning the projector
 Disconnect the power cord plug from the wall outlet.
 Unplug all the cables from the projector.
JCleaning the outer surface of the projector
Wipe off dirt and dust gently with a soft cloth.
 If it is difficult to remove the dirt, soak a cloth in a neutral detergent diluted with water, wring the cloth well 
and then wipe the projector. Dry off the projector with dry cloth.
 If you use a chemical treated wipe, follow the...