NEC Lt75z Micro-portable Projector Users Manual

							E-25 Adjusting the Tilt Foot
1) Lift the front edge of the projector.
2) Press the Tilt button on the top of the projector to extend the
adjustable tilt foot (maximum height).
MENUENTERCANCEL
SELECT
A
U
T
O
 A
D
J
U
S
T
S
T
A
T
U
S P
O
W
E
R
O
N/
S
T
A
N
D
 B
YS
O
U
R
C
E
2
1
1
3) Press and hold the Tilt button.
4) Lower the front of the projector to the desired height and
release the button to lock the Adjustable tilt foot.
There is approximately 5 degrees of up and down adjust-
ment for the front of the projector. The rear foot height can
be changed, but the vertical distance from the bottom to the
desk or floor should be 0.14 ” (3.5mm) to make the projector
horizontal on the flat surface. To fine-adjust the height of the
rear foot, remove the spacer (black rubber) and rotate the
rear foot to the desired height.
* If the projected image does not appear square to the screen
then use keystone correction for proper adjustment.
MENUENTERCANCEL
SELECT
A
U
T
O
 A
D
J
U
S
T
S
T
A
T
U
S P
O
W
E
R
O
N/
S
T
A
N
D
 B
YS
O
U
R
C
E4
3
4
MENUENTERCANCEL
SELECT
A
U
T
O
 A
D
JU
S
T S
O
U
R
C
EVIDEOS-VIDEO
RGB
AUDIO
PC CONTROL
AC  IN 
up down
Adjusting the Image Using Auto Adjust
The Auto Adjust function automatically optimizes the image in
RGB mode.
[Poor picture]
[Normal picture]
Press the Auto Adjust button to adjust Position-H/V and Pixel
Clock/Phase for an optimal picture. Some signals may not be
displayed correctly or take time to switch between sources.
NOTE: When using the Auto Adjust feature for the first time by press-
ing the AUTO ADJUST button or setting any adjustments to horizon-
tal/vertical position, clock, or phase settings, the projectors micro-
processor stores the adjusted data in memory.
The next time the source is selected, the projector will use this new
data that is stored in memory.
Up to 10 presets can be stored in memory in a wraparound fashion.
Once all 10 presets are used and new adjustments need to be stored,
the oldest data will be deleted and the newest data will be stored.
ENTER
CAN
AUTO ADJUST
SOURCE
Do not use the tilt-foot for purposes other than originally in-
tended.
Misuses such as gripping the tilt-foot or hanging on the wall
can cause damage to the projector.
OFFON
VIDEOS-VIDEORGBPOWER
SELECT
EMNU
TENENCEL
AUTO ADJ. 
						

							E-26
Enlarging and Moving a Picture
You can enlarge the area you want up to 400 percent.
To do so:
Adjust the image size up to 400 percent.
While the picture is enlarged, you can move it using the “Se-
lect”  ,  , 
 , or  button.
Using the Menus
1. Press the “Menu” button on the remote control or the projec-
tor cabinet to display the Menu.
2. Press the 
 buttons on the remote control or the projector
cabinet to highlight the menu for the item you want to adjust
or set.
3. Press the 
 button or the “Enter” button on the remote con-
trol or the projector cabinet to select a submenu or item.
4. Adjust the level or turn the selected item on or off by using
“Select” 
 or  buttons on the remote control or the projec-
tor cabinet. The on-screen slide bar will show you the amount
of increase or decrease.
5. The change is stored until you adjust it again.
CANCEL: Return to the previous screen.
6. Repeat steps 2-5 to adjust an additional item, or press “Can-
cel” on the remote control or the projector cabinet to quit the
menu display.
MAGNIFY
MAGNIFY 
						

							E-27 Basic/Advanced Menu
Sub Menu
MENU Tree
NOTE: Some menu items are not availabledepending on the input Source.
Advanced Menu
Source Select
Picture
Volume
Image Options
Color Management
Projector Options
Information
(Toutes)
Basic Menu
Source Select
Picture
Volume
Image Options
Projector Options
Information
Aspect Ratio Normal/Zoom/Wide Zoom/CinemaPosition/Clock Horizontal/Vertical/Clock/PhaseResolution Auto/NativeVideo Filter On/Off
All Data/Current Signal
Normal/Natural1/Natural2
Menu Mode Basic/Advanced
Language English/German/French/Italian/Spanish/
Swedish/JapaneseSource Display On/OffNo Input Display On/OffVolume Bar On/OffKeystone Bar*On/Off
Menu  Display Time Manual/Auto 5 sec/Auto 15 sec/Auto 45 sec
OrientationDesktop Front/Ceiling Rear/DesktopRear/Ceiling FrontCinema Position Top/Center/BottomBackground Blue/Black/LogoSignal Select RGB Auto/RGB/Component
Signal Select Video/ Auto/NTSC3.58/NTSC4.43/PAL/
PAL-M/PAL-N/PAL60/SECAMAuto Adjust On/OffAuto Start On/OffPower Management On/OffPower Off Confirmation On/OffKeystone Save On/OffWhite Segment On/OffDefault Source Select Last/Auto/SelectCommunication Speed 4800/9600/19200Control Panel Key Lock Lock/Unlock
Clear Lamp Hour Meter Source Index
Input Terminal
Horizontal Frequency
Vertical Frequency
Sync Polarity
Signal Type
Video Type
Sync Type
Interlace
Remaining Lamp Time
Lamp Hour Meter
Projector UsageBrightness Red/Brightness Green/Brightness Blue/
Contrast Red/Contrast Green/Contrast Blue
S-Video
RGB
Video
S-Video
Picture
Brightness
Contrast
Color
Hue
Sharpness
0
0
0
0 0
Volume
0
Keystone
Lamp Mode
Advanced Options
Factory Default
Gamma Correction
White Balance
Menu
Setup
Items
*This setting is optional. you need the optional presentation
remote control (PR51KIT). Normal/Eco 
						

							E-28
Picture
Brightness
Contrast
Color
Hue
Sharpness
0
0
0
0 0
Setup
Page1 Page2 Page3 Page4
Orientation Desktop Front
To p
Cinema PositionLogoBackground
Menu Elements
Title barTa b
Highlight
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Menu windows or dialog boxes typically have the following elements:
Title bar: Indicates the menu title.
Highlight: Indicates the selected menu or item.
Solid triangle: Indicates further choices are available. A highlighted triangle indicates the item is active.
Tab: Indicates a group of features in a dialog box. Selecting on any tab brings its page to the front.
Radio button: Use this round button to select an option in a dialog box.
Slide bar: Indicates settings or the direction of adjustment.
Menu
Menu mode
Language
Source Display
No Input Display
Volume Bar
Keystone Bar
Menu Display Time
Basic
English
On
On
On
Auto 45 Sec
Off
Off
Off
On Off
Solid triangleSlide ber
Radio button 
						

							E-29
Keystone
Lamp Mode
Advanced Options
Factory Default
Menu Descriptions & Functions
RGB
Video
S-VideoVolume
0
Source Select
Picture
Brightness
Contrast
Color
Hue
Sharpness
0
0
0
0 0
Enables you to select a video source such as a VCR, DVD
player, laser disc player, computer or document camera de-
pending on what is connected to your inputs. Press the “Se-
lect” button on the projector cabinet or 
 buttons on your
remote control to highlight the menu for the item you want to
adjust.
[RGB]
Selects the computer connected to your RGB or compo-
nent signal.
NOTE: An optional component cable (Component V or ADP-CV1cable) is needed for a component signal.
[Video]
Selects what is connected to your Video input-VCR, laser
disc player, DVD player or document camera.
[S-Video]
Selects what is connected to your S-Video input-VCR, DVD
player, or laser disc player.
NOTE: A frame may freeze for a brief period of time when a video
is played back in fast-forward or fast-rewind with a Video or S-
Video source.
Picture
Provides access to controls for your image. Use the “Select”
button on the projector cabinet or the remote control to high-
light the menu for the item you want to adjust.
[Brightness]
Adjusts the brightness level or the back raster intensity.
[Contrast]
Adjusts the intensity of the image according to the incom-
ing signal.
[Color]
Increases or decreases the color saturation level (not valid
for RGB).
[Hue]
Varies the color level from +/- green to +/-blue. The red level
is used as reference. This adjustment is only valid for Video
and Component inputs (Not RGB).
[Sharpness]
Controls the detail of the image for Video (Not for RGB and
Component).
Keystone
Lamp Mode
Factory Default
Provides optional controls such as Keystone Correction, Lamp
Mode and Factory Default. When you select Advanced Mode,
the following options are available: Aspect Ratio, Position/Clock,
Resolution, and Video Filter.
Keystone
Keystone
0
This feature corrects the keystone (trapezoidal) distortion to
make the top of the screen longer or shorter to be the same as
the bottom.
Use the 
 or  buttons on the slide bar to correct the keystone
(trapezoidal) distortion.
NOTE: The keystone angle can be corrected between 15 degrees up-
ward and 15 degrees downward at a 0 degree-projection angle. De-
pending on the type of graphics being used, the picture may get blurred
or keystone correction may not be possible when excessive keystone
correction is used. The idea is, the closer you are to native resolution,
the better image you will see.
Volume
Adjusts the sound level of the projector.
Image Options
NOTE: You can display the volume bar without opening the menu. SeeVolume Bar (Direct Button) on page E-32 for more details.
Keystone distortion
Normal
Basic Mode
Advanced Mode 
						

							E-30 Lamp Mode
Lamp Mode
Normal Eco
This feature enables you to select two brightness mode of the
lamp:
Normal and Eco modes. The lamp life can be extended up to
1500 hours by using the Eco mode.
Normal Mode .............. This is the default setting.
Eco Mode .................... Select this mode to increase the lamp life.
NOTE: If you have selected the Eco mode, the lamp lights in Normal
mode for one minute after the projector is turned on. After one minute
the lamp will change to Eco mode.
Advanced Options (Advanced mode)
Aspect Ratio
Position/Clock
Resolution
Video Filter
Aspect Ratio:
Aspect Ratio
Normal Zoom CinemaWide Zoom
Aspect Ratio allows you to select the best Aspect mode to
display your source image.
When 4:3 is selected from the source (i.e. DVD player), the
following selections will display:
NOTE: You can select three image positions for Cinema: Top, center,and bottom. See page E-33 for setting Cinema position.
NOTE: Once the Aspect setting has been changed, the “Resolution”setting is automatically changed to “Auto”.
Normal Zoom Wide Zoom Cinema
Standard
4:3 AspectAll 4 sides
stretchedLeft & Right
stretchedLeft and right
stretched
Normal Zoom Wide Zoom Cinema
16:9 image
displayed
 in 4:3 modeAll 4 sides
stretchedLeft & right
stretchedLeft and right
stretched to
display the true
aspect
Allows for adjustments of image position and stability.When you select Advanced Options in Advanced mode, the
following options are available: Aspect Ratio, Position/Clock,
Resolution, and Video Filter.When 16:9 is selected from the source (i.e. DVD player),
the following selections will display: 
						

							E-31
Position/Clock
Horizontal
Vertical
Clock
Phase
100
800
50 50
This allows you to manually adjust the image horizontally
and vertically, and adjust Clock and Phase.
[Horizontal/Vertical Position]
Adjusts the image location horizontally and vertically using
the 
 and  buttons.
This adjustment is made automatically when the Auto Ad-
just is turned on.
[Clock]
Use this item with the “Auto Adjust off” to fine tune the com-
puter image or to remove any vertical banding that might
appear. This function adjusts the clock frequencies that elimi-
nate the horizontal banding in the image. Press the 
 and buttons until the banding disappears. This adjustment
may be necessary when you connect your computer for
the first time. This adjustment is made automatically when
the Auto Adjust is turned on.
[Phase]
Use this item to adjust the clock phase or to reduce video
noise, dot interference or cross talk. (This is evident when
part of your image appears to be shimmering.) Use the 

and  buttons to adjust the image.
Use “Phase” only after the “Clock” is complete.
This adjustment is made automatically when the Auto Ad-
just is turned on.
See “Auto Adjust” on page E-34 for turning on or off the
Auto Adjust feature.
Resolution (when Auto Adjust is off):Video Filter (when Auto Adjust is off): Position/ Clock (when Auto Adjust is off):
This allows you to activate or deactivate the Advanced
AccuBlend feature.
Auto ............. Turns on the Advanced AccuBlend feature. The pro-
jector automatically reduces or enlarges the current
image to fit the full screen.
Native ........... Turns off the Advanced AccuBlend feature. The pro-
jector displays the current image in its true resolu-
tion.
See “Auto Adjust” on page E-34 for turning on or
off the Auto Adjust feature.
NOTE: When an image with a resolution of SVGA, XGA, SXGA or UXGAis displayed, the Resolution is not available.
NOTE: Once the Resolution setting has been changed, the “Aspect”setting is automatically changed to “Normal”.
Changes all adjustments and settings to the factory preset.
[All Data]
Reset  all  the  adjustments  and  settings for all the signals
to the factory preset.
The items can be reset except Language, Communication
Speed, Remaining Lamp Time, Lamp Hour Meter and Pro-
jector Usage. To reset the lamp usage time, see “Clear Lamp
Hour Meter” page E-35. This function reduces video noise.
On ................ The low-pass filter is applied.
Off ................ The low-pass filter is not applied.
Screen adjustments are possible even when the filter is on.
Factory Default
[Current Signal]
Resets the adjustments for the current signal to the factory
preset levels.
The items that can be reset are: Brightness, Contrast, Color,
Hue, Sharpness, Volume, Aspect, Horizontal Position, Ver-
tical Position, Clock, Phase, Resolution, Video Filter,
Gamma Correction, and White Balance.
Resolution
Auto Native
Factry Default
All Data
Current Signal
Video Filter
On Off
All Data Reset
Are you sure ?
Ye s
No
Current Signal Reset
Are you sure ?
Ye s
No 
						

							E-32
Projector Options
Allows you to set preferences for the on-screen menu.
[Menu Mode]
This feature allows you to select two menu modes: one has
basic functionality and the other more advanced function-
ality.
Basic Mode ................. This is the normal mode.
Advanced Mode .......... This mode is used for advanced users.
[Language]
You can choose one of seven languages for on-screen in-
structions. The options are: English, German, French, Ital-
ian, Spanish, Swedish and Japanese.
NOTE: The “Language” setting cannot be reset back to “English”using the Factory Default function.
[Source Display]
You can turn on and off the information for input name such
as VIDEO and RGB.
When this option is on, the current input will be displayed
each time you switch sources or turn on the projector.
[No Input Display]
When this feature is turned on, the “No Input” message will
appear if there is no signal present.
[Volume Bar]
This option turns on or off the volume bar when you adjust
the sound volume using VOL+/-(up and down) button.
On ................ You can increase or decrease the sound volume with
the volume bar on screen.
NOTE: If no adjustments are performed within 3 seconds, the Vol-ume bar will disappear.
Off ................ You can increase or decrease the sound volume
without having to use the volume bar.
Color Management
Gamma Correction
Normal Natural1 Natural2
Gamma Correction (Advanced mode)
Use the 
 or  button to choose Normal when in a lighted
room and Natural 1&2 when in a darkened room. Natural 1
for better flesh tone; Natural 2 for true reproduction of middle
tones.
Each mode is recommended for :
Normal ............... For the regular picture
Natural 1 ............ For true color reproduction of natural tones
Natural 2 ............ For dark portions of a picture
White Balance (Advanced mode)Menu
This allows you to adjust the white balance. Brightness for each
color (RGB) is used to adjust the black level of the screen;
Contrast for each color (RGB) to adjust the white level of the
screen.
First use the 
 or  buttons to select R, G, or B for the bright-
ness and the contrast. Next use the 
 or  buttons to adjust
the level.
White Balance
Brightness Red
Brightness Green
Brightness Blue
Contrast Red
Contrast Green
0
0
0
0 0
Contrast Blue0
Gamma Correction
White BalanceMenu
Setup
Menu
Menu mode
Language
Source Display
No Input Display
Volume Bar
Keystone Bar
Menu Display Time
Basic
English
On
On
On
Auto 45 Sec
Off
Off
Off
On Off 
						

							E-33
Setup
Page1 Page2 Page3 Page4
RGB
Video
S-VideoAuto
Auto
Auto
Signal Select
Signal Select:
[RGB]
Allows you to choose RGB for an RGB source such as a
computer, or Component for a component video source
such as a DVD player. Normally select Auto and the pro-
jector automatically detects a component signal. However
there may be some component signals that the projector is
unable to detect. If this is the case, select Component.
[Video & S-Video System Select]
This feature enables you to select composite video stan-
dards manually. Normally select Auto.
When you select the video standard for Video and S-Video,
select the video standard from the pull-down menu.
This must be done for Video and S-Video respectively.
Setup
Page1 Page2 Page3 Page4
Orientation Desktop Front
To p
Cinema PositionLogoBackground
[Page2] (Advanced mode)
Auto
NTSC 3.58
NTSC 4.43
PAL
PAL-M
PAL-N
PAL 60
SECAM
Setup
Enables you to set operating options.
[Page1]
[Orientation]
This reorients your image for your type of projection.
The options are: desktop front projection, ceiling rear pro-
jection, desktop rear projection, and ceiling front projec-
tion.
[Cinema Position]
This feature selects the vertical position of the image when
viewing video with Cinema aspect ratio selected.
When Cinema aspect ratio is selected on earlier models,
the image is displayed with black borders on the top and
bottom. You can select the vertical position among three
options:
Top ............... Image position is at the top with a black border on
bottom.
Center .......... Image position is at the center with black borders
on top and bottom.
Bottom ......... Image position is at the bottom with a black border
on top.
[Background]
Use this feature to display a black/ blue screen or logo when
no signal is available. [Keystone Bar]
This option is avaiable on the optional presentaion remote
control (PR51KIT) only. This option turns on or off the key-
stone bar when you adjust the keystone using KEYSTONE
+/- button on the optional presentation remote control.
On ................ You can increase or decrease the level with the key-
stone bar on screen.
Off ................ You can increase or decrease the level without hav-
ing to use the keystone bar.
[Menu Display Time]
This option allows you to select how long the projector waits
after the last touch of a button to turn off the menu.
The preset choices are Manual, Auto 5 sec, Auto 15
sec, and Auto 45 sec. The Auto 45 sec is the factory
preset.
Manual ......... The menu can be turned off manually.
Auto 5 sec .... The menu will automatically be turned off in 5 sec-
onds if no buttons are pressed within 5 seconds.
Auto  15  sec .. The menu will automatically be turned off in 15 sec-
onds if no buttons are pressed within 15 seconds.
Auto  45  sec .. The menu will automatically be turned off in 45 sec-
onds if no buttons are pressed within 45 seconds. 
						

							E-34[Page 4] (Advanced mode)
Setup
Page1 Page2 Page3 Page4
Default Source Select
Communication SpeedSelect
19200bps
Control Panel Key LockClear Lamp Hour Meter
Default Source RGB
Unlocked
[Page 3] (Advanced mode)
Setup
Page1 Page2 Page3 Page4
Auto Adjust
Auto Start
Power Management
Keystone SaveWhite Segment
On Off
On Off
On OffPower Off ConfirmationOn OffOn OffOn Off
[Auto Adjust]
When “Auto Adjust” is set to “On”, the  projector automati-
cally 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 geometry and
stability; “Horizontal Position”, “Vertical Position”, “Clock” and
“Phase”.
On ................ Automatically adjusts image “Horizontal Position”,
“Vertical Position”, “Clock” and “Phase”.
Off ................ User can adjust the image display functions (“Hori-
zontal Position”, “Vertical Position”, “Clock” and
“Phase”) manually.
[Auto Start]
Turns the projector on automatically when the power cable
is inserted into an active power outlet and the main power
switch is on. This eliminates the need to always use the
“Pow e r” button on the remote control or projector cabinet.
[Power Management]
When this option is on and there is no RGB input for five
minutes or more, the projector will automatically turn itself
off.
NOTE: This feature does not work with Video or S-Video sources.
[Power Off Confirmation]
This option determines whether a confirmation dialog for
turning off the projector will appear or not.
NOTE: When the confirmation message is displayed, you must be
in the Projector mode to operate your projector using the remote
control. If not, press the PJ button on the remote control to change
your projector to the Projector mode. The button lights to indicate
that you are in the Projector mode.
[Keystone Save]
This option enables you to save your current keystone set-
tings. Saving your change once affects all sources. The
changes are saved when the projector is off.
[White Segment]
You can put emphasis on either brightness or color for a
projected image.
If you prefer putting emphasis on brightness, place a
checkmark in the box to turn the option on. If you prefer an
image in truer color, turn off this option.[Default Source Select]
You can set the projector to default to any one of its inputs
each time the projector is turned on.
Last .............. Sets the projector to default to the previous or last
active input each time the projector is turned on.
Auto ............. Searches for an active source in order of RGB →
Video → S-Video and displays the first found source.
Select ........... Displays the selected source input every time the
projector is started up. Select an input from the pull-
down menu.
[Communication Speed]
This feature sets the baud rate of the PC Control port (Mini
DIN 8 Pin).
it supports data rates from 4800 to 19200 bps.
The default is 19200 bps. Select the appropriate baud rate
for your equipment to be connected.