NEC Projector LT35 LT30 LT25 User Manual

3
About this users manual
The fastest way to get started is to take your time and do everything right the first time. Take a few minutes now to
review the users manual. This may save you time later on. At the beginning of each section of the manual youll find an
overview. If the section doesnt apply, you can skip it.
1. Introduction 

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1. Introduction
 Part Names of the Projector
LAMP
STATUS
POWERSOURCE
AUTO ADJ.
FOCUS ON/STAND BY
S
E
L
E
C
T
COMPUTER IN
AUDIO IN
S-VIDEO IN
VIDEO IN
LAMP
STATUS
POWER
S
O
U
R
C
EA
U
T
O
 A
D
J
.
F
O
C
U
S
O
N
/S
T
A
N
D
 B
YSELECT
PC CONTROL
Zoom Lever
(→ page 22)Controls
(→ page 6)
Lens
Lens Cap
Built-in Security Slot (  )*
Adjustable Tilt Foot Button
(→ page 21)
Adjustable Tilt  Foot
(
→ page 21)
Remote sensor
(→ page 8)
Ventilation (inlet)
Front/Top
AC Input
Connect the supplied power cables...

5
1. Introduction
Bottom
Lamp Cover
(→ page 47)
Rear foot
(
→ page 21)
Rear foot
(→ page 21) 

6
1. Introduction
Top Features
LAMP
STATUS
POWER
SOURCE AUTO ADJ. FOCUS
ON/STAND BY
SELECT
10
2 41
589
367
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1. POWER Button (ON / STAND BY) () (→ page 17,
27)
2. POWER Indicator (→ page 16, 17, 27, 50)
3. STATUS Indicator (→ page 50)
4. LAMP Indicator (→ page 47, 50)
5. SOURCE Button (→ page 19)
6. AUTO ADJ. Button (→ page 26)7. FOCUS Button (→ page 24)
8. MENU Button
9. SELECT 
/ Volume / Keystone 
 But-
tons
10. ENTER Button
11. EXIT Button
Terminal Panel Features
COMPUTER IN PC CONTROLAUDIO IN...

7
1. Introduction

 Part Names of the Remote Control
1. Infrared Transmitter (→ page 8)
2. POWER ON Button (→ page 17)
3. POWER OFF Button (→ page 27)
4. FOCUS (+) (–) Button (→ page 24)
5. PIC-MUTE Button (→ page 28)
6. PAGE (UP) / (DOWN) Button* (→ page 31)
7. MENU Button
8. SELECT Buttons
9. ENTER Button
10. EXIT Button
11. L-CLICK MOUSE Button* (→ page 31)
LAMP MODE
VOLUMES-VIDEOVIDEO L-CLICK
MOUSE
R-CLICK
AUTO ADJ. COMPUTER
ASPECT HELP
FREEZE PICTURE
ENTEREXIT MENUUP FOCUS PAGEOFF
POWERON
PIC-MUTE...

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1. Introduction
30˚
30˚
Remote Control Precautions
•Handle the remote control carefully.
•If the remote control gets wet, wipe it dry immediately.
•Avoid excessive heat and humidity.
•Do not heat, take apart, or throw batteries into fire.
•If you will not be using the remote control for a long time, remove the batteries.
•Ensure that you have the batteries polarity (+/–) aligned correctly.
•Do not use new and old batteries together, or use different types of batteries together.
•Dispose of used...

9
This section describes how to set up your projector and how to connect 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 (0.76 m) measured diagonally when the projector is roughly 47 inches (1.2 m) from the wall or
screen. The largest the image can be is 300 (7.6 m) when the projector is about 480 inches...

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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
α = Throw angle
NOTE: Distances may vary +/-5%.
α
Wide – Tele
degree
12.1 - 10.0
11.9 - 9.9
11.8 - 9.9
11.8 - 9.9
11.7 - 9.8
11.8 - 9.8
11.7 - 9.8
11.7 - 9.8
11.7 - 9.8
11.7 - 9.8
11.7 - 9.8
11.7 - 9.8
11.6 -...

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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)....

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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 signal from the notebook PC is not turned on unless connected to the projector before being powered up.
*If the screen goes blank while using your remote control, it may be the result of the computers...