NEC Lt380 Portable Projector Users Manual

11
D
B
Cα
2. Installation and Connections
Throw Distance and Screen Size
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and screen bottom (top of screen for ceiling application)
α = Throw angle
NOTE: Distances may vary +/-5%.
α
Wide – Tele
degree
––9.2
11.2 – 9.2
11.1 – 9.0
10.8...

12
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 104˚F (40˚C)....

13
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
PHONE
COMPUTER 1 IN
COMPUTER 2 IN
AUDIO IN
2. Installation and Connections
 Making Connections
Connecting Your PC or Macintosh Computer
NOTE: When using with a notebook PC, be sure to connect the projector and notebook PC while the projector is in standby mode and
before turning on the power to the notebook PC.
In most cases the output...

14
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
COMPUTER 3 IN
PHONE
AUDIO IN
2. Installation and Connections
When Viewing a DVI Digital Signal (LT380 only)
To project a DVI digital signal, be sure to connect the PC and the projector using a DVI-D signal cable (not supplied)
before turning on your PC or projector. Turn on the projector first and select DVI (DIGITAL) from the source menu...

15
2. Installation and Connections
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
COMPUTER 1 IN
Before connections: An exclusive SCART adapter (ADP-SC1) and a commercially available SCART cable are re-
quired for this connection.
From the menu, select [Setup] → [Options] → [Signal Select] → [Computer 1] → [Scart].
SCART is a standard European audio-visual connector for TVs, VCRs and DVD...

16
AUDIO
IN
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
AUDIO OUT
PHONE
MONITOR 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.
NOTE:
•The MONITOR OUT connector will output no sound when the projector is in standby mode.
•The MONITOR...

17
AUDIO INLRAUDIO OUT
LR
Component
YCbCr
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
COMPONENT IN
AUDIO IN 
2. Installation and Connections
You can connect a video cable to the Y connector of the COMPONENT connectors to display a VCR source. To do
so, from the menu, select [Setup] → [Options] → [Signal Select] → [Component] → [Video].
NOTE: Refer to your DVD players owners manual for...

18
AUDIO INLRAUDIO OUTLRVIDEO OUTS-VIDEO VIDEO
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
S-VIDEO IN
VIDEO IN
AUDIO 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)
NOTE: Refer to your VCR or laser disc player owners manual for more...

19
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 INPC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
LAN
Connecting to a Network
The LT380/LT280 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...

20
(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] →
[Mode] → [Infrastructure].
(C) Example of wireless LAN connection (Network Type → Mode: 802.11 Ad Hoc)
To enable direct communication (i.e., peer-to-peer) between...