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NEC Lt170 Portable Projector Users Manual

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Page 31

E-31
USING ON-SCREEN MENU
Menu Descriptions & Functions
Basic Menu
[Auto Adjust Executed]
Optimizing RGB image automatically. (See page E-21)
Selecting Aspect Ratio [Aspect Ratio]
Aspect Ratio allows you to select the best Aspect mode to display your
source image. You can also display the Aspect Ratio window by pressing
the “ASPECT” button on the remote control. (See page E-8).
Normal Wide Zoom Cinema Native
Standard
4:3 AspectLeft and right
stretchedLeft and right
stretched
When 16:9 is selected from...

Page 32

E-32
USING ON-SCREEN MENU
Advanced Menu
[Image]
Enabling Auto Adjust [Auto Adjust]
When “Auto Adjust” is set to “On”, the projector automatically determines
the best resolution for the current RGB input signal to project an image
using NEC’s Advanced AccuBlend Intelligent Pixel Blending Technology.
The image can be automatically adjusted for position and stability;
“Horizontal Position”, “Vertical Position”, “Clock” and “Phase”.
On.................. Automatically adjusts image “Horizontal Position”,...

Page 33

E-33
USING ON-SCREEN MENU
[Setup1]
Selecting Lamp Mode [Lamp Mode]
This feature enables you to select two brightness modes of the lamp:
Normal and Eco modes. The lamp life can be extended by using the
Eco mode.
Normal Mode ...This is the default setting (100% Brightness).
Eco  Mode ...... Select this mode to increase the lamp life (80% Bright-
ness).
NOTE: Thermometer symbol  indicates the lamp mode is forcibly set to Ecomode because the internal temperature is too high.
Selecting Menu Language...

Page 34

E-34
USING ON-SCREEN MENU
Displays the status of the current signal and lamp usage. This item has
four pages. The information included is as follows:
InformationDefault
Returning to Factory Default [Factory Default]
The Factory Default feature allows you to change adjustments and set-
ting to the factory preset for source except the following:

Resets the adjustments for the current signal to the factory preset levels.
The items that can be reset are: Brightness, Contrast, Color, Hue, Sharp-
ness, Aspect...

Page 35

E-35
LAMPMENU
STATUS
POWER
ON/STAND BYL
A
M
PM
E
N
U
S
T
A
T
U
S
P
O
W
E
R
O
N
/S
T
A
N
D
 B
Y
MAINTENANCE
This section describes the simple maintenance procedures you should
follow to replace the lamp and clean the filter.
Replacing the LampAfter your lamp has been operating for 1500 hours (up to 2000 hours in
Eco mode) or longer, the LAMP indicator in the cabinet will blink red and
the message will appear. Even though the lamp may still be working,
replace it at 1500 (up to 2000 hours in Eco mode)...

Page 36

E-36
MAINTENANCE
1. Turn off the projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled, use
a mild detergent. Never use strong detergents or solvents such as
alcohol or thinner.
3. Use a blower or lens paper to clean the lens, and be careful not to
scratch or mar the lens.
Cleaning the Cabinet and the Lens
Z
O
O
MFO
C
U
SPUSH
LAMPMENU
S
O
U
R
C
EENTER
STATUS
POWER
ON/STAND BYSELECT
COMPUTER S-VIDEO IN
AUDIO INVIDEO IN
Z
O
O
MF
O
C
U
S
L
A
M
PM
E
N
USOURCEE
N
T...

Page 37

E-37
TROUBLESHOOTING
This section helps you resolve problems you may encounter while setting up or using the projector.
Power Indicator (POWER)
Indicator Condition
Projector Condition Note
Off
Blinking light
Steady lightGreen
Orange0.5 sec ON,
0.5 sec OFF
0.5 sec ON,
0.5 sec OFFThe main power is not supplied
The projector is getting ready
to turn on.
The projector is cooling down.
The projector is turned on.
The projector is in Standby. Green
Orange–
Wait for a moment.
Wait for a moment.
–
–
Indicator...

Page 38

E-38
TROUBLESHOOTING
Does not turn on
No picture
Image isn’t square to the
screen
Picture is blurred
Image is scrolling verti-
cally, horizontally or
both
Remote control does
not work
Indicator is lit or blink-
ing
Cross color in RGB
mode•Check that the power cable is plugged in and that the power button on the projector cabinet or the remote
control is on. See page E- 17.
•Check to see if the Cabinet Button Lock function is enabled.If this function is enabled, cancel it by pressing and
holding the MENU...

Page 39

E-39
SPECIFICATIONS
This section provides technical information about the LT170 Projectors performance
Model Number LT170
Optical
DMD Single Chip Digital Micromirror Device (DMD)
Resolution 1024768 pixels native*, up to UXGA with Advanced AccuBlend
Lens Manual zoom and focus: F=2.0 (Wide)-2.13 (Tele), f=25.7 - 28.3mm
Lamp 145W
Image Size 30 - 200 inches (0.8 - 5.1 m) diagonal
Projection Distance 3.51 - 26.67 ft / 1.07 (Wide) - 8.13 m (Tele)
Projection Angle Tele : 8.6°/ Wide : 9.5°
Keystone Correction...

Page 40

E-40
APPENDIX
Cabinet Dimensions
Unit = mm (inch)
Mini D-Sub 15 Pin Connector
Pin Assignments of D-Sub COMPUTER Input Connector
Pin No. RGB Signal (Analog) YCbCr Signal
1Red Cr2Green or Sync on Green Y
3Blue Cb4Ground5Ground
6Red Ground Cr Ground7Green Ground Y Ground8Blue Ground Cb Ground
9No Connection10 Sync Signal Ground11 Scart Sync
12 Bi-directional DATA (SDA)13 Horizontal Sync or Composite Sync14 Vertical Sync
15 Data Clock
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level...
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