Panasonic LCD Projector PT-LB80NTU PT-LB80U PT-LB75NTU PT-LB75U Operating Instructions

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Preparation
Read this first
When you start the projection for the first time or after the projector is initialised, the minimum required setting screen 
for projection will be displayed.
JLANGUAGE
Select the required language setting.
Press F G I H buttons of the remote control or 
control panel on the projector to highlight the 
required language, and press the ENTER button to 
proceed to the next setting.
JOPTION
Select the current projection method and fan speed 
setting. If you need...

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Preparation
About Your Projector
JTop and front view
Projector body
NOTE:
• Do not cover the ventilation openings or place anything within 50 cm (20) of them as this may cause damage or injury.
• While the projector is not in use, keep the lens cover attached to protect the lens.
Zoom-Focus ring cover
Cover the zoom and focus rings to protect 
from dust.
Navigation buttons
Navigate through the menus with FGIH, 
and activate the menu item with ENTER. 
(page 27)
MENU button
Display the main...

Preparation
About Your Projector
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JBack and bottom view
NOTE:
• Do not cover the ventilation openings or place anything within 50 cm (20) 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.
S-VIDEO IN
Connect a S-VIDEO signal cable.
VIDEO IN
Connect an RCA composite video 
cable.
COMPUTER1 IN
Connect a computer or YP
BPR 
signal cable.
COMPUTER2 IN/1 OUT
Connect a computer or YP
BPR 
signal cable. Select...

Preparation
About Your Projector
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Battery compartment
1. Press the tab and lift up the cover.
2. Insert the batteries according to the polarity diagram 
indicated inside.
Top view
(page 23)
Attaching a hand 
strap
You can attach a favorite strap on 
to the remote control.
Remote control
POWER button
Switch between stand-by 
mode and projection mode. 
(page 19/page 20)
INPUT SELECT buttons
Switch the required input 
signal button to select.
 The WIRELESS button is 
only for PT-LB80NTU/...

Getting Started
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Setting up
You can adjust the projection size with 2.0x 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.
 Screen width (SW) and screen height (SH)
SW (m) = SD () x 0.0203 SH (m) = SD () x 0.0152
 Minimum distance (LW) and maximum distance (LT)...

Getting Started
Setting up
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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 35.
You can adjust the projection angle in the vertical direction by pressing the leg adjuster buttons.
See “Positioning the image” on page 22.
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...

Getting Started
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Connections
 Read and follow the operating and connecting instructions of each peripheral device.
 The peripheral devices must be turned off.
 Prepare the connecting cables that match with the projector and peripheral device terminals.
 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 44.
 When you connect more...

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Basic Operation
Switching the projector on/off
JConnecting
1. Make sure the shape of the power plug and the 
AC IN terminal on the back of the projector match, 
then push the plug all the way in.
2. Align the side of the power cord secure lock with 
the side guide rail of the AC IN terminal of the 
projector and slide it in.
3. Place the latch to the latch catcher and press until 
it clicks.
4. Connect the power cord to a wall outlet.
5. The POWER and POWER LOCK indicators light 
in red and...

Basic Operation
Switching the projector on/off
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Before switching on the projector, make sure the power cord and all the other devices are connected correctly.
See “Connections” on page 17 and “Power cord” on page 18.
QBy control panel operation
Make sure CONTROL PANEL in OPTION menu is 
set to VALID. The POWER button is locked to 
prevent malfunction and the POWER LOCK 
indicator lights in red.
1. Press the RELEASE button.
 The POWER LOCK indicator goes off.
 Without any operation in 10...

Basic Operation
Switching the projector on/off
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JBy control panel operation
Make sure the CONTROL PANEL setting in 
OPTION menu is set to VALID.
1. Press the POWER button.
 The confirmation screen will be displayed.
 Without any operation for 10 seconds or press any 
button other than the POWER button, the 
confirmation screen will go off and return to the 
projection.
2. Press the POWER button again in 10 seconds.
3. The POWER indicator will flash in orange.
  The projector is cooling the...