InFocus Projector Lp425 Quickstart Manual

17
Display Menu Functions
 
FIGURE 13
Display menu
Brightness
Adjusting the brightness changes the intensity of the image.
•Press the left mouse button to darken the image.
•Press the right mouse button to lighten the image.
Contrast
The contrast controls the degree of difference between the lightest 
and darkest parts of the picture. Adjusting the contrast changes 
the amount of black and white in the image.
•Press the left mouse button to decrease the contrast.
•Press the right mouse button to increase...

18
Using the Projector
•
Press the left mouse button to increase the amount of green in 
the image.
•Press the right mouse button to increase the amount of red in 
the image.
Color
The Color setting adjusts a video image from black and white to 
fully saturated color.
•Press the left mouse button to decrease the amount of color in 
the image.
•Press the right mouse button to increase the amount of color in 
the image.
Blank Screen
Blank Screen determines what color (blue or black) is displayed 
when...

19
Audio Menu Functions
FIGURE 14
Audio menu
Vo l u m e
NOTE: Changing the volume 
from the menu is the same as 
changing it using the keypad. •
Press the left mouse button to decrease the volume. 
•Press the right mouse button to increase the volume.
Volume adjustments you make are saved for each source.
Tr e b l e
The Tr e b l e setting controls the higher frequencies of your audio 
source. 
•Press the left mouse button to decrease the treble. 
•Press the right mouse button to increase the treble....

20
Using the Projector
Image Menu Functions
FIGURE 15
Image menu
Auto Image
NOTE: Some screen savers
interfere with the operation of
Auto Image. If you’re experiencing
problems, try turning your screen
saver off, then turning Auto Image
off and back on.
The projector automatically adjusts tracking, signal synchroniza-
tion and vertical and horizontal position for most computers. If 
you want to adjust these features manually, you must turn off 
Auto Image first by clicking it. Remember, to generate the...

21
Manual Sync
The projector adjusts signal synchronization automatically for 
most computers. But if the projected computer image looks fuzzy 
or streaked, try turning 
Auto Image off then back on again. If the 
image is still unacceptable, try adjusting the signal synchroniza-
tion manually:
1Click the 
Auto Image button to turn Auto Image off.
2Press the left or right mouse buttons repeatedly until the 
image is sharp and free of streaks.
NOTE: The Manual Sync, 
Manual Tracking, Horiz. Posi-
tion and...

22
Using the Projector
Controls Menu Functions
 
FIGURE 16
Controls menu
Video Standard
NOTE: If you already know the
video standard used in your
geographical area, it’s often best to
manually select it.
When Auto is on, the projector attempts to pick the video stan-
dard (NTSC, NTSC 4.43, PAL, PAL-M, PAL-N, or SECAM) auto-
matically based on the input signal it receives. (The video 
standard options may vary depending on your region of the 
world.) The input signals for SECAM, PAL-M, and PAL-N video...

23
Language
You can display the on-screen menus in English, French, German, 
and Spanish. The default is English. 
•Click the button for the language you want. The menus redraw 
immediately.
Ceiling
When you select Ceiling, the projector turns the image upside 
down for ceiling-mounted projection.
Rear Projection
When you select Rear Projection, the projector reverses the image 
so you can project from behind a translucent screen.
Default Source
Default Source toggles between Computer and Video. This...

25
MAINTENANCE & TROUBLESHOOTING
This section describes how to:
•clean the lens
•replace the projection lamp 
•use the Kensington lock feature
•troubleshoot the projector
Cleaning the Lens
Follow these steps to clean the projection lens:
1Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
•Avoid using an excessive amount of cleaner.
•Abrasive cleaners, solvents or other harsh chemicals might 
scratch the lens.
2Lightly wipe the cleaning cloth over the lens.
3If you don’t intend to use the...

26
Maintenance & Troubleshooting
4Pull the lamp door up and remove it.
FIGURE 17
Removing the lamp door
CAUTION: Never operate the
projector with the lamp door open
or removed. This disrupts the air
flow and causes the projector to
overheat.
5Loosen the two non-removable screws on the outside of the 
module.
FIGURE 18
Loosening the screws on the lamp module 

27
6Slide the lamp connector to the right to disconnect it from the 
projector (Figure 19).
FIGURE 19
Sliding the lamp connector
7Remove the module (Figure 20).
WARNING: Do not drop the 
lamp module or touch the glass 
bulb! The glass may shatter and 
cause injury.
F
IGURE 20
Removing the lamp module