Panasonic LCD Projector PT-LC50U Operating Instructions

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The function which displays the currently selected input signal 
on the screen can be turned off by the following procedure.
Freeze displays will also be turned off.
The procedure and on-screen display as shown below are
based on RGB as the input signal from a personal computer.
Turning off the input signal display
1Press MENU to
display the menu.
3Press  or   to select
“ On Screen Display ”.
4Press  or  to select
“ ON ” or  “OFF ”.
• Select  “OFF ” to turn
off the input signal 
display function.
• Select  “ON ” to turn
the input signal
display function. The
input signal will be
displayed each time
it is changed. (This
is the factory
setting.)
Picture 
White Balance
Synchronization
Function
Language
Information
• Selecting procedure
RGB/YPBPR
Projection Mode 
Expansion
On Screen Display
Auto Lamp Off
Standard (Push ENTER)
•RGB •YPBPR
•Front •Rear
• ON •OFF
• ON •OFF
• YES •NO
Function
2Press  or  to select
“ Function ”,  and then
ENTER  to display the
screen. 
						

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The power save function operates as follows: If the projector 
continues projecting for 15 minutes or more while there is no
input signal to be projected, the light source will shut off
automatically to save power. And, the projector will enter
standby mode. At the time of shipment from the factory, the
Auto Lamp Off function is set YES, so that if you will not use
this function, you can turn it off by the following procedure.
The procedure and on-screen display as shown below are
based on RGB as the input signal from a personal computer.
Auto Lamp Off
1Press MENU to
display the menu.
3Press  or   to
select  “Auto Lamp
Off ”.
4Press  or  to
select   “YES ” or
“ NO ”.
Picture 
White Balance
Synchronization
Function
Language
Information
• Selecting procedure
RGB/YPBPR
Projection Mode 
Expansion
On Screen Display
Auto Lamp Off
Standard (Push ENTER)
•RGB •YPBPR
•Front •Rear
• ON •OFF
• ON •OFF
• YES •NO
Function
2Press  or  to
select  “Function ”,
and then ENTER 
to display the
screen. 
						

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When a signal less than 800 X 600 dots signals is input, the 
LCD Projector automatically enlarges the image to 800 X 600
dots. This may cause picture quality degration. For better
image, select Expansion: OFF by the following procedure.
The procedure and on-screen display as shown below are
based on RGB as the input signal from a personal computer.
Canceling enlarging (scanning line 
conversion)  function
•Setting procedure
1Press MENU  to
display the menu.
3Press  or   to
select  “Expansion ”.
4Press  or  to select
“ ON ” or  “OFF ”.
• Select  “OFF ” to
cancel enlarge 
(scanning line
conversion)
function.
• Select  “ON ” to use
enlarge (scanning
line conversion)
function. (This is the
factory setting.)
Picture 
White Balance
Synchronization
Function
Language
Information
RGB/YPBPR
Projection Mode 
Expansion
On Screen Display
Auto Lamp Off
Standard (Push ENTER)
• RGB •YPBPR
•Front •Rear
• ON •OFF
• ON •OFF
• YES •NO
Function
2Press  or  to
select  “Function ”,
and then ENTER  to
display the screen. 
						

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Keystone correction function
When the screen and projector are not level, a keystone 
(trapezoid) image may occur. This can be corrected by doing
the following.
3Press  or  to
adjust the Keystone.
•  procedure
1Project a picture onto the screen.
2Press the 
KEYSTONE button
on the projector.
KEYSTONE
(LCD Projector)
Keystone 0
AdjustEscapeMENU
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•When keystone is corrected, the screen becomes smaller.
• The LCD Projector detects whether the Simple Stand is 
down or up and automatically corrects keystone distortion
when the KEYSTONE Button is pressed.
Keystone (top : wide)
Keystone (under : wide)
Keystone Image Corrected Image
Press .. Top becomes 
narrow.
Press 
.. Bottom becomes 
narrow.
Screen
Projected pictures
Screen
Projected pictures
Note
Screen Projected pictures
Screen
Projected pictures
Keystone correction function 
						

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The language of the LCD Projector is set to English as the 
factory setting. To select one of seven different languages for
on-screen display, follow the instructions below. The
procedure below describes the on-screen display when the
S-VIDEO signal or the VIDEO signal is being projected.
Selecting the Language for On-Screen Displays
1Press MENU to
display the menu.
3Press  or   to
select language .
• You can select English, German, 
French, Spanish,
Italian, Japanese
and Chinese.
Picture 
White Balance
Video System
Function
Language
Information
English 
Deutsch
Français
Español
Italiano
Language
• Selecting procedure
2Press  or  to
select “Language” ,
and then ENTER  to
display the screen. 
						

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You can display the input signal type and lamp run time. 
Display items differ depending on the input signal. The
procedure and on-screen display as shown below are based
on RGB as the input signal from a personal computer.
Information Functions
•procedure
1Press MENU  to
display the menu.Picture 
White Balance
Synchronization
Function
Language
Information
No. of Dots 
H Frequency
V Frequency
Lamp Runtime800 x 600
37.88 kHz 60 Hz100 h
Information3Press ENTER  to
display the screen.
2Press  or   to
select  “Information ”.
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No. of Dots 
H Frequency
V Frequency 
Signal 
Lamp 
Runtime
Personal
Computer
Signals
(RGB) only
RemarksDescription
Display Item
Input signal dot number is 
displayed. 
Horizontal frequency number is 
displayed. 
Vertical frequency number is 
displayed. 
Name of the input signal type is 
displayed.
When AUTO is selected in the
Video System screen, the
selected format will be
displayed. 
Number of hours the lamp has 
been used is displayed.
Information Functions
YPBPR
VIDEO/
S-VIDEO only 
						

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You can enlarge and project specific portions of the input 
picture and select the enlargement ratio for this portion using
the D.ZOOM Buttons on the remote control unit.
• Press D.ZOOM  Button
the picture will become 
bigger.
Note
D.ZOOM
You can enlarge the centre portion 
of the image to one of 6
magnifications.
Digital Zoom Functions
X1.0 
X1.5
X2.0
X3.0
X4.0
X5.0
(Remote
Control unit)
D.Zoom
Movex 1.5
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•Use the  and  arrow Buttons  to
move the position up and down.
• Use the 
 and  arrow Buttons  to
move the position to the left and right.
Digital Zoom Functions
VOLUME
(Remote
Control unit)
Note
Position cannot be moved with arrow Buttons on the unit.