Panasonic LCD Projector PT-L785U Operating Instructions

ENGLISH-11
Preparation
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...

12-ENGLISH
Location and function of each part
Projector 
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#Projector control panel(page 14)
$Speaker
%Connector panel (page 16)
&MAIN POWER switch (pages 24 and 26)
'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.
(Air inlet ports
Do not cover these ports.
)Air filter (page 56)
*Front adjustable legs(L /R) (page 25)
+Leg adjuster buttons(L /R) (page 25)
These buttons are...

ENGLISH-13
Preparation
#Remote control signal receptor (page 22)
$Lamp unit holder (page 57)
%Air outlet port
Do not cover this port.
&Carrying handle
'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.
WARNING
Do not place your hands or other objects close to the air outlet port.
BHeated air comes out of the air outlet port. Do not place your...

14-ENGLISH
Remote control unit
RGB VIDEO AUTO SETUP
ON(G) STANDBY(R)
ENTER MENU POWERSHUTTER INPUT
TEMP
LAMP RGB INPUT
–  FOCUS  +
–
   ZOOM   +
VIDEORGB
ALL SET
A
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#Power indicator (pages 24, 26 and 27)
This indicator illuminates red when the MAIN POWER switch is turned on,
and illuminates green when the power is turned on and a picture starts to
be projected.
When the projector is in “WEB STANDBY” mode, this indicator flashes slowly
in...

ENGLISH-15
Preparation
*When in computer operating mode, this button on the remote control unit
functions differently. (page 33)
*Arrow (FGI
and H
) buttons (page 37)
These buttons are used to select and adjust items in the on-screen menus.
*When in computer operating mode, these buttons on the remote control
unit function differently. (page 33)
+MENU button (pages 34 and 37)
This button is used to display the menu screens. When a menu screen is
being displayed, this button can be used to return to a...

16-ENGLISH
Connector panel
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#Wired LAN connector
This connector is used to connect a personal computer to the projector in
order to externally control the projector. (10 Base-T/100 Base-TX)
Refer to the “Network Function Edition” operating instructions for details.
$SERIAL connector (pages 20, 21 and 72)
This connector is used to connect a personal computer to the projector in
order to externally control the projector. (RS-232C compatible)
%RGB1 IN connector (pages 20 and 21)
This...

ENGLISH-17
Preparation
&RGB2 IN/RGB OUT connector (pages 20, 21 and 47)
This connector is used to input or output RGB signals and YP
BPRsignals.
Adjust “RGB2 SELECT” in the “OPTION” menu to select whether you want
input or output with this connector.
'DVI-D IN connector (page 21)
This connector is used to input DVI-D signals.
(AUDIO OUT connector (pages 20 and 21)
This connector is used to output the audio signals which are input to the
projector. If audio equipment is connected to this connector, no...

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 page 48 for details.)
BFront-desk projectionBFront-ceiling projection
BRear-desk projection
(Using a translucent screen)BRear-ceiling projection
(Using a translucent screen)
Menu items Setting
FRONT
DESK FRONT/REAR
DESK/CEILINGMenu items...

ENGLISH-19
Getting started
L
L
SH
SW
25 mm
(-31/32˝)
L: Projection distance
SH: Image height
SW: Image width Top edge of screen
Screen
Bottom edge of screen
Screen
NOTE:
BThe dimensions in the table above are approximate.
BIf 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 75.
Projector position
1.01 m(40˝) 0.61 m(2´) 0.81 m(2´8˝) 1.6 m(5´2˝) 2.0 m(6´6˝)
1.27 m(50˝) 0.76...

20-ENGLISH
Connections
Notes on connections
BRead the instruction manual for each peripheral device carefully before connecting it.
BTurn off the power supply for all peripheral devices before making any connections.
BIf the cables necessary for connection are not included with the peripheral device or
available as an option, you may need to prepare a proper cable for the device concerned.
BIf there is a lot of jitter in the video signal, the projected image may flicker. In such
cases, it will be...