NEC Projector Np4001 User Manual

							
 
49 
4. Convenient Features 
n Turning Off the Image and Sound 
The projected image and sound can be turned off for short periods of time with the remote 
control. This feature is useful for breaking up  presentations or for other brief interruptions in 
projections. To turn off the picture and image, refer to the following guide. 
1. Press the  PIC-MUTE button on the remote control once  
(see 
s  Part Names of the Remote Control on page  12). 
2.  To resume projection, press the  PIC-MUTE button once more. 
Note: 
For extended periods of time it is reco mmended that the projector be powered off. 
o Freezing a Picture 
The projected image can be frozen for short period s of time via the remote control. This fea-
ture is useful for capturing  still images from movies or freez ing an animation at a particular 
point. To freeze the projected image, refer to the following guide. 
1. Press the  Freeze button on the remote control once  
(see 
s  Part Names of the Remote Control on page 12 ). 
2.  The screen freezes. 
3.  To resume, press the  Freeze button once more. 
Note: 
For extended periods of time it is reco mmended that the projector be powered off.  
						

							
4. Convenient Features 
50
p Adjusting the Focus/Zoom Manually 
The focus and zoom can be adjusted manually from the projector focus/zoom panel or from 
the remote control unit. Refer to the following guides to adjust the focus and zoom manually. 
Adjusting by Using the OSD Control Panel 
1.  Press the  Focus or Zoom  
button on the projector 
panel to display the  
appropriate window. 
 
2.   Adjust the focus/zoom 
using the increase and 
decrease buttons as  
required. 
3.  Press  Exit to return to the 
projected image. 
 
 
  
						

							
4. Convenient Features 
51 
q Changing Lamp Mode 
The projector has two lamp modes available,  Normal and Eco. The  Normal  mode is used for 
everyday standard projection, whereas the  Eco mode is used for saving power and lamp life. 
To change the Lamp Mode, refer to the following guides.  
Changing Lamp Mode by Using the Projectors OSD Control Panel 
1.   Press  Menu  on the projectors 
OSD control panel to display the 
Main Menu . Scroll to the  Setup 
menu using  ▲or▼  and press 
Enter . 
 
2.  Select the  General tab using 
◄ or►  and select  Lamp Mode  
using  ▲or▼ . Press  Enter. 
 
3.  From the  Lamp Mode  window, 
select  Normal  or Eco  using 
▲ or▼ . Select  OK and press 
Enter . 
  
						

							
4. Convenient Features 
52
Changing Lamp Mode by Using the Remote Control 
1.  Press the  Lamp Mode  button on 
the remote control to access the 
Lamp Mode menu. 
 
2.   From the  Lamp Mode  window, 
select  Normal  or Eco  using 
▲ or▼ . Move the cursor to  OK 
and press  Enter.  
 
Note: 
When the projector is in Eco m ode, brightness may be affected. 
Normal Mode: 100% Brightness 
Eco Mode: approx. 85% Brightness  
						

							
4. Convenient Features 
53 
r Getting Information 
Press the  HELP button on the remote control to display the Information screen. Use  ◄ or 
►  to select a tab. 
 
 
 
  
						

							
4. Convenient Features 
54
s Adjusting Position/Clock 
The Position/Clock/Phase and Keystone Correction can be adjusted manually from the pro-
jectors control panel or from the remote control unit. Refer to the following guides to adjust 
the Keystone Distortion manually. 
Adjusting Position/Clock/Phase by Using the OSD Control Panel 
1.  Press the Menu button to 
display the Main menu. 
Select the Adjust menu 
using  ▲or▼  and press 
Enter  to display the  
Adjust menu. 
 
2.   From the Adjust menu, 
press  ◄or►  to select Im-
age Options and scroll 
using  ▲or▼  to  
Horizontal , Vertical, 
Clock , or Phase . 
 
3.  Adjust the  Horizontal , 
Vertical , Clock , or Phase  
sliding bars using the se-
lect  ▲▼◄►  buttons. 
4.  Press  Exit to return to the 
projected image. 
  
						

							
4. Convenient Features 
55 
Correcting Keystone by Using the Remote Control 
 
 IMPORTANT:
 
When adjusting the keystone, set the lens shift position to the following. 
•   Horizontal: the lens center 
•   Vertical: the bottom of the projected image is aligned with the lens 
center line in height. 
 
1.  Press the  Keystone  button 
to display the Keystone 
window. 
2.   Adjust the  Horizontal  and 
Vertical  sliding bars us-
ing the select  ▲▼◄► 
buttons. 
 
3.   Adjust the slide bars until 
the screen trapezoid is a 
regular shape (see  
diagram). 
4.  Press  Exit to return to the 
projected image. 
 
 
Note: 
Holding down the  Keystone button 2 seconds resets  the default keystone values.  
						

							
4. Convenient Features 
56
 
ADJUSTMENT HORIZONTAL VERTICAL 
Keystone  Max. +/– 35° approx.  Max. +/– 40° approx. 
 
The following are conditions under which the maximum angle is achieved: 
ƒ  When the NP08ZL lens is used 
When the lens shift position is set to the following. 
ƒ   Horizontal: the lens center 
ƒ   Vertical: the bottom of the projected image  is aligned with the lens center line in 
height. 
If you adjust the lens shift: 
ƒ   Image is projected in Wide mode 
ƒ   Resolution is XGA (NP4000) / WXGA (NP4001) 
Note:  
Higher resolution than XGA (NP4000) / WXGA (NP4001) narrows the ad-
justable range. 
ƒ  Aspect Ratio ........... 4: 3 (NP4000) / 15:9 (NP4001) 
ƒ   Horizontal and Vertical are adjusted separately. 
A combination of both adjustments  narrows the adjustable range.  
						

							
4. Convenient Features 
57 
t Preventing the Unauthorized Use of the Projector 
The projector has an inbuilt security featur e to lock the OSD control panels and deny remote 
control operation. The security feature has no  default keyword; in the first instance of ena-
bling the security feature, t he user must define a keyword. 
Locking the Projector  
To setup the security keyword, refer to the following guide. 
1.  Press  Menu  on the OSD control 
panel on the projector or remote  
control to display the  Main 
Menu . Scroll to the  Setup menu 
using  ▲or▼  and press  Enter. 
 
2.  The  Setup  menu is displayed. 
Select the  Installation  tab using 
◄ or►  and select  Security using 
▲ or▼ . Press  Enter. 
  
						

							
4. Convenient Features 
58
3.  You are prompted to enable the 
Security Function. Select  OK 
and press  Enter. 
Select  On using the  ▼ button. 
 
4.  The keyword window is dis-
played. Enter a keyword between 
4 and 10 characters using 
▲▼◄► . Press Enter. 
 
5.  Once a successful keyword is 
entered, a confirmation screen is 
displayed. Enter the same  
password as the previous step 
and write it down for later  
reference. Press  Enter. A  
security activation message is 
displayed. Select  Cancel to re-
turn to the  Setup menu or select 
OK  to enable security.