NEC Lt245 Portable Projector Users Manual

14
This section describes how to set up your projector and how to connect PCs, video and audio sources.
2. Installation and Connections

 Setting Up the Screen and the Projector
Selecting a Location
The further your projector is from the screen or wall, the larger the image. The minimum size the image can be is
approximately 30 inches (0.8 m) measured diagonally when the projector is roughly 51.2 inches (1.3 m) from the wall
or screen. The largest the image can be is 500 inches (12.7 m) when the...

15
2. Installation and Connections
Throw Distance and Screen Size
The following shows the proper relative positions of the pro-
jector and screen. Refer to the table to determine the posi-
tion of installation.
Distance Chart
B  = Vertical distance between lens center and screen cen-
ter
C = Throw distance
D = Vertical distance between lens center and bottom of
screen (top of screen for ceiling application)
α = Throw angle
NOTE: Distances may vary +/-5%.
α
Wide – Tele
degree
15.4 – 12.7
15.3 – 12.6
15.1...

16
2. Installation and Connections
WARNING
*Installing your projector on the ceiling must be done
by a qualified technician. Contact your NEC dealer for
more information.
*Do not attempt to install the projector yourself.
•Only use your projector on a solid, level surface. If the
projector falls to the ground, you can be injured and
the projector severely damaged.
•Do not use the projector where temperatures vary
greatly. The projector must be used at temperatures
between 41˚F (5˚C) and 95˚F (35˚C).
•Do...

17
PC CARD
R  AUDIO IN  L
AC INVIDEO INAUDIO OUT
S-VIDEO INPC CONTROLCOMPUTER 1 IN  COMPUTER 2 IN MONITOR OUT AUDIO INUSB LAN
PHONE
COMPUTER 1 IN
COMPUTER 2 INAUDIO IN
PHONE
2. Installation and Connections
 Making Connections
NOTE: When using with a notebook PC, be sure to connect between the projector and the notebook PC before turning on the
power to the notebook PC. In most cases signal cannot be output from RGB output unless the notebook PC is turned on after
connecting with the projector.
*If the...

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NOTE: The LT265/LT245 is not compatible with video decoded outputs of either the NEC ISS-6020 and ISS-6010 switchers.
NOTE: An image may not be displayed correctly when a Video or S-Video source is played back via a commercially available scan
converter.
This is because the projector will process a video signal as a computer signal at the default setting. In that case, do the following.
*When an image is displayed with the lower and upper black portion of the screen or a dark image is not displayed...

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AUDIO
IN
PC CARD
R  AUDIO IN  L
AC INVIDEO INAUDIO OUT
S-VIDEO INPC CONTROLMONITOR OUTCOMPUTER 1 IN  COMPUTER 2 IN AUDIO INUSB LAN
MONITOR OUT
AUDIO OUT
2. Installation and Connections
Connecting an External Monitor
You can connect a separate, external monitor to your projector to simultaneously view on a monitor the RGB analog
image youre projecting.
To  do so:
1. Turn off the power to your projector, monitor and computer.
2. Use an RGB/VGA signal cable to connect your monitor to the MONITOR OUT...

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PC CARD
R  AUDIO IN  L
AC INVIDEO INAUDIO OUT
S-VIDEO INPC CONTROLCOMPUTER 1 IN  COMPUTER 2 IN MONITOR OUT AUDIO INUSB LAN
AUDIO INLR
AUDIO OUT
LR
Component
YCbCr
COMPUTER 1 IN
2. Installation and Connections
You can connect your projector to a DVD player with component output or Video output. To do so, simply:
1. Turn off the power to your projector and DVD player.
2. If your DVD player has a component video (Y,Cb,Cr) output, use a commercially available component video cable
(RCA
3) and the optional...

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AUDIO INLRAUDIO OUTLRVIDEO OUTS-VIDEO VIDEO
PC CARD
AC INAUDIO OUTPC CONTROLR  AUDIO IN  L VIDEO INMONITOR OUTCOMPUTER 1 IN  COMPUTER 2 IN AUDIO INUSB LAN
S-VIDEO INS-VIDEO INVIDEO IN
2. Installation and Connections
Connecting Your VCR or Laser Disc Player
S-Video cable (not supplied)
Video cable (not supplied)
VCR/ Laser disc player
Audio equipment
Audio cable (not supplied)
Use an RCA or S-Video cable (not provided) to connect the video and use RCA cables (not provided) to connect
the audio from...

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PC CARD
R  AUDIO IN  L
AC INVIDEO INAUDIO OUT
S-VIDEO INPC CONTROLMONITOR OUTCOMPUTER 1 IN  COMPUTER 2 IN AUDIO INUSB LAN
LAN
Connecting to a Network
The LT265/LT245 comes standard with a LAN port (RJ-45) which provides a LAN connection using a LAN cable.
Placing the optional wireless LAN card (NWL-100*) in the PC card slot of the projector also provides a wireless LAN
connection. To use a LAN connection, you are required to assign an IP address to the projector. For setting the LAN
mode, see page 99...

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(B) Example of wireless LAN connection
(Network Type → Mode: Infrastructure)
2. Installation and Connections
Access Point
Wired LAN
To make connection with a wired LAN via an access point, you need to select the Infrastructure mode.
From the menu, select [Setup] → [Installation] → [LAN Mode] → [PC Card] → [Advanced] → [Network Type] →
[Infrastructure].
(C) Example of wireless LAN connection (Network Type → Mode: 802.11 Ad Hoc)
To enable direct communication (i.e., peer-to-peer) between personal...