NEC LT170 Projector User Manual

							E-21
PROJECTING AN IMAGE (BASIC OPERATION)
Optimizing RGB Picture Automatically
Adjusting the Image Using Auto Adjust
Optimizing RGB image automatically.
Using the cabinet buttons
1. Press the MENU button .
The Basic menu will be displayed. Make sure that “Auto Adjust Ex-
ecuted” is selected.
LAMP
STATUS
POWER
ON/STAND BY
SELECT
MENUSOURCEENTER
OFFCOMPUTER
AUTO ADJ.P0WER ON
VIDEO
AUTO
MENUCANCEL
ASPECT
COMP.S-VIDEO
ENTER
LAMP
STATUS
POWER
ON/STAND BY
SELECT
MENUSOURCEENTER
2. Press the ENTER button to optimize an RGB image automatically.
The Hour Glass icon will appear. It takes some seconds to optimize an
RGB image.
Using the remote control
Press the AUTO ADJ. button
The Hour Glass icon will appear. It takes some
seconds to optimize an RGB image.
This function adjusts the clock frequencies that eliminate the horizontal
banding in the image. This function also adjusts the clock phase to re-
duce video noise, dot interference or cross talk. (This is evident when
part of your image appears to be shimmering.)
This adjustment may be necessary when you connect your computer for
the first time.
NOTE:
•Some signals may not be displayed correctly or take time.
•The Auto Adjust function does not work for component and video signal.
•If the Auto Adjust operation cannot optimize the RGB signal, try to adjust Clock
and Phase manually. See page E-32.
Turning Up or Down Volume
Sound level from the speaker on the projector can be adjusted when the
menu is not displayed.
increase volume decrease volume
OFFCOMPUTER
AUTO ADJ.P0WER ON
VIDEO
AUTO
MENUCANCEL
ASPECT
COMP.S-VIDEO
ENTER
LAMP
STATUS
POWER
ON/STAND BY
SELECT
MENUSOURCEENTERincrease volumedecrease volume 
						

							E-22
Turning off the Projector
To turn off the projector:
First, press the POWER (ON/STAND BY) button on the projector cabinet
or the POWER OFF button on the remote control. The “Power Off / Are
you sure?” message will appear.
Secondly, press the ENTER button or press the POWER (ON/STAND
BY) or the POWER OFF button again.
The power indicator will glow orange. After the projector turns off, the
cooling fans keep operating for 60 seconds (Cooling-off time).
Lastly unplug the power cable. The power indicator will go out.
CAUTION
Do not unplug the power cable from the wall outlet under any one of
the following circumstances. Doing so can cause damage to the
projector:
•While the Hour Glass icon appears.
•While the cooling fans are running. (The cooling fans continue to
work for 60 seconds after the projector is turned off).
OFFCOMPUTER
AUTO ADJ.P0WER ON
VIDEO
AUTO
MENUCANCEL
ASPECT
COMP.S-VIDEO
ENTER
LAMP
STATUS
POWER
ON/STAND BY
SELECT
MENUSOURCEENTER
PROJECTING AN IMAGE (BASIC OPERATION)
After Use
Preparation: Make sure that the projector is not turned on.
1. Unplug the power cable.
2. Disconnect any other cables.
3. Retract adjustable tilt feet if extended.
ZOOMFOCUS
LAMPMENUS
OU
RC
EENTER
STATUS
POWER
ON/STAND BYSELECT
C
O
M
P
U
T
E S
-V
ID
E
O
 I
N A
U
D
IO
 IN
V
ID
E
O
 INPUSH
CLOSE3
1
2

Lift the front part of the projector.
Push and hold the PUSH symbol of the Adjustable Tilt Foot button to
extend the adjustable tilt feet up to a maximum height.
Lower the front of the projector while pressing and holding the
Adjustable Tilt Foot button until retracting the Adjustable Tilt Foot
down to a minimum height.
4. Use the Lens Shutter lever to close the lens shutter.
ZOOMFOCUS
M
E
N
US
O
U
RC
EEN
T
ERSELECT
S-VIDEO IN AUDIO IN
VI
PUS
H
5. Put the projector and its accessories in the soft carrying case.
   See “Using the Soft Carrying Case” on the following page. 
						

							E-23
Using the Soft Carrying Case
The accessory pouch can be attached to the soft carrying case as shown in the drawing.
*Placing the projector and its accessories in the soft carrying case
PROJECTING AN IMAGE (BASIC OPERATION)
Put through and fix it
Work should be done on a flat level surface to prevent overturning.
Put through
ZOOMFOCUSPUSHPUSH
LAMPMENUSOURCEENTER
STATUS
POWER
ON/STAND BYSELECT
O
F
FC
O
M
P
U
T
E
R
A
U
T
O
 
A
D
J
.PC-MUTE
MAGNIFYP
0
W
E
RV
I
D
E
O
A
U
T
OA
S
P
E
C
TC
O
M
P.S
-V
ID
EOE
N
T
E
RM
E
N
UHELP
MUTEPICTUREC
A
N
C
E
LFREEZEO
NRemote control Power cable Projector
RGB signal cable Quick Guide
*The length of the belt is adjustable.
Remove 
						

							E-24
CONVENIENT FEATURES
Turning Off the Image and Sound
Press the PIC-MUTE button to turn off the image and sound for a short
period of time. Press again to restore the image and sound.
Freezing a Picture
Press the FREEZE button to freeze a picture. Press again to resume
motion.
Enlarging and Moving a Picture
You can enlarge the picture up to 400 percent.
To  do so:
1. Press the MAGNIFY (+) button to magnify the picture.
To move the magnified image, use the 
 button.
Getting the Information
You get the information about the signal and projector settings.
Display InformationExit Information
2. Press the MAGNIFY (-) button to return the image to the original size.
PC-MUTE MAGNIFY
MENU
HELP
MUTE
PICTURE
FREEZE
CANCEL
PC-MUTE MAGNIFY
MENU
HELP
MUTE
PICTURE
FREEZE
CANCEL
PC-MUTE MAGNIFY
MENU
HELP
MUTE
PICTURE
FREEZE
CANCEL
PC-MUTE MAGNIFY
MENU
HELP
MUTE
PICTURE
FREEZE
CANCEL
OFFCOMPUTER
AUTO ADJ.P0WER ON
VIDEO
AUTO
MENUCANCEL
ASPECT
COMP.S-VIDEO
ENTER
Security
A keyword can be set for your projector to avoid operation by an unau-
thorized user using the Menu. When a keyword is set, turning on the
projector will display the Keyword input screen. Unless the correct key-
word is entered, the projector cannot project an image.
To set a keyword:
1.Press the MENU button.
The Basic menu will be displayed.
2. Rotate the SELECT +/- dial to select [To Advanced Menu] and press
the ENTER button.
The Advanced menu will be displayed.
PC-MUTE MAGNIFY
MENU
HELP
MUTE
PICTURE
FREEZE
CANCEL
PC-MUTE MAGNIFY
MENU
HELP
MUTE
PICTURE
FREEZE
CANCEL 
						

							E-25
3.Rotate the SELECT +/- dial to select [Setup1] - [Security] and press
the ENTER button.
The Security menu will be displayed.
4. Rotate the SELECT +/- dial to select [Keyword] and press the ENTER
button.
The software keyboard will be displayed.
5.Use the SELECT +/- dial to type a keyword in the Input field.
Selected characters will be displayed in Input field.
*The keyword must be no more than 10 alphanumeric characters.
Typing a keyword
*To select a character, rotate the SELECT+/- dial to highlight the
character you want to select and press the ENTER button.
*To delete a character, rotate the SELECT+/- dial to highlight 
and press the ENTER button. The character at the far right will be
deleted.
*For the selected keyword to take effect, rotate the SELECT+/- dial
to highlight 
 and press the ENTER button.
*To cancel the selected keyword, rotate the SELECT+/- dial to high-
light 
 and press the ENTER button.
6. After finishing typing keyword, rotate the SELECT+/- dial to highlight
[Exit] and press the ENTER button.
The confirmation screen will be displayed.
7.Rotate the SELECT +/- dial to select [Yes] and press the ENTER but-
ton.
The Security function is enabled.
To turn on the projector when Security is enabled:
1. Press and hold the POWER (ON/STAND BY) button for a minimum of
2 seconds.
The projector will turn on and display a message to the effect that the
projector is security-protected.
2. Press the MENU button.
The Keyword input screen will be displayed.
3. Enter your keyword.
For entering your keyword, see Step 5 in “To set a keyword”.
4. Select 
 and press the ENTER button.
The Security is unlocked. You can view a projected image.
The unlock condition is maintained until the main power is turned off by
unplugging the power cable.
CONVENIENT FEATURES 
						

							E-26
CONVENIENT FEATURES
To disable the Security function:
1.Press the MENU button.
The Basic menu will be displayed.
2. Rotate the SELECT +/- dial to select [To Advanced Menu] and press
the ENTER button.
The Advanced menu will be displayed.
3. Rotate the SELECT +/- dial to select [Setup1] - [Security] and press
the ENTER button.
The Keyword input screen will be displayed.
4. Enter your keyword.
For entering your keyword, see Step 5 in “To set a keyword”.
5. Rotate the SELECT +/– dial to select 
 and press the ENTER but-
ton.
The Security is unlocked. The Security menu will be displayed.
6. Rotate the SELECT +/- dial to select [Security] and press the ENTER
button.
7. Rotate the SELECT +/- dial to select [Disable] and press the ENTER
button.
This will disable the Security function and return to the Security menu.
8. Rotate the SELECT +/- dial to select [Exit] and press the ENTER.
9. Press the MENU button to close the menu.
NOTE:
If you forget your keyword, contact your dealer. Your dealer will provide you
with your keyword in exchange for your request code. Your request code is
displayed in the Keyword input screen. In this example “K992-45L8-JNGJ-
4XU9-1YAT-EEA2” is a request code. 
						

							E-27
USING ON-SCREEN MENU
Basic Menu OperationThe Menu consists of Basic and Advanced. While the Basic menu con-
tains minimum essentials of menus and commands, the Advanced menu
contains all the available menus and commands.
The Basic menu is accessed by pressing the MENU button.
Selecting “To Advanced Menu” in Basic menu will go to the Advanced
menu.
Using the Menus
For Basic menu
1. Press the MENU button to display the Basic menu.
2. Rotate the SELECT +/- dial to highlight the menu item you want to
adjust or set.
The example below is for Picture Management.
3.Press the ENTER button.
The Picture Management item will be displayed on its right side.
4. Rotate the SELECT +/- dial to highlight the item you want to adjust or
set.
The example below is for Graphic.
5. Press the ENTER button.
The item is selected. This will return to the Basic menu.
6. Press the MENU button to close the menu.
NOTE:
*The menu will automatically disappear if no operation is made for 45 seconds.
*The menu display time (default 45 seconds) can be changed. See page E-33.
*The on-screen menu may not be displayed correctly while interlaced motion
video image is projected.
For Advanced menu
1. Press the MENU button to display the Basic menu.
2. Rotate the SELECT +/- dial to highlight [To Advanced menu] and press
the ENTER button.
The Advanced menu will be displayed. 
						

							E-28
3. Rotate the SELECT +/- dial clockwise.
Keep rotating the SELECT +/-  dial until the highlight reaches [Noise
Reduction]. When the highlight reaches [Flicker Reduction], [Setup 1]
menu will be displayed.
Keep rotating the SELECT +/- dial clockwise and the menu items will
sequence as follows: [Image] → [Setup 1] → [Setup 2] → [Information] →
[Default] → [Image] → ...
Keep rotating the SELECT +/- dial counterclockwise and the menu items
will sequence as follows:  [Default] → [Information] → [Setup 2] → [Setup
1] → [Image] → [Default] → ...
Adjusting and Setting Items
For Adjusting items
1. Rotate the SELECT +/- dial to highlight the menu item you want to
adjust.
2. Press the ENTER button.
3. Rotate the SELECT +/- dial to adjust the item.
4. Press the ENTER button.
  Changes will take effect.
For Selecting items
1. Rotate the SELECT +/- dial to highlight the menu item you want to set.
USING ON-SCREEN MENU
2. Press the ENTER button.
The selected item will be displayed.
3. Rotate the SELECT +/- dial to highlight the item you want to set.
4.Press the ENTER button.
This will return to the previous menu.
NOTE:
The ENTER/SOURCE button on the cabinet works as:
*Execute menu selection.
*Adjust the slide bar.
*Display the submenu 
						

							E-29
List of Menu Items
USING ON-SCREEN MENU
Basic Menu
Advanced Menu
Menu items Items
Auto Adjust Executed
Aspect Ratio
Picture Management
Brightness
Contrast
Sharpness
Color
Hue
Keystone
To Advanced MenuNormal, Wide, Zoom, Cinema, Native
Presentation, Video, Movie, Graphic, sRGB, User
User Setting
Auto, Manual, Manual (Save)Base Setting (Presentation, Video, Movie, Graphic, sRGB)
Gamma Correction (Dynamic, Black Detail, Natural)
Brightness R
Brightness G
Brightness B
Contrast R
Contrast G
Contrast B
White Peaking
Category Menu items Items
Image
Setup 1
Setup 2
Information
DefaultAuto Adjust
Horizontal
Vertical
Clock
Phase
Noise Reduction
Flicker Reduction
Lamp Mode
Language
Menu Color Select
Menu Display Time
Background
Orientation
Cabinet Button
Security
Portrait
Power Management
Auto Start
Fan Mode
Signal Select
Page 1
Page 2
Page 3
Page 4
Factory Default (Current Signal)
Factory Default (All Data)
Clear Lamp Hour MeterOn, Off
On, Off
On, Off
Normal, Eco
English, Deutsch, Français, Italiano, Español, Svenska,
Nederlands, Suomi,  
Color, Monochrome
Manual, Auto 5 sec, Auto 15 sec, Auto 45 sec
Blue, Black, Logo
Desktop Front, Ceiling Rear, Desktop Rear, Ceiling Front
Lock, Unlock
Security (Enable, Disable)
Keyword
0°, 180°
On, Off
On, Off
High, Auto
RGB/Component, RGB, Component, Scart
Auto, NTSC3.58, NTSC4.43, PAL, PAL-M, PAL-N, PAL60, SECAM
Auto, NTSC3.58, NTSC4.43, PAL, PAL-M, PAL-N, PAL60, SECAM
Source Index, Horizontal Frequency, Vertical Frequency, Sync Polarity
Signal Type, Video Type, Sync Type, Interlace
Remaining Lamp Time, Lamp Hour Meter, Projector Usage
Version (BIOS, Firmware, Data, GUI)
,,
, Türkçe, Cesky, 
, Magyar, Norsk, Polski, , Português,
Computer
Video
S-Video 
						

							E-30
Menu windows or dialog boxes typically have the following elements:
Title ........................... Indicates the menu title.
Highlight .................... Indicates the selected menu or item.
Source ....................... Indicates the currently selected source.
Return key symbol .... Indicates further choices are available.
Radio button .............. Use this round button to select an option in a dialog box.
Check mark ............... Indicates the item is selected.
Slide bar .................... Indicates settings or the direction of adjustment.
Key symbol ................ Indicates the Cabinet Button is locked.
Thermometer symbol.......... Indicates the lamp mode is forcibly set to Eco mode because the internal temperature is too high.
Menu Elements
Slide bar Highlight
Radio button
SourceKey symbol
Thermometer symbol
USING ON-SCREEN MENU
Check mark

Title

Return key symbol