Ask Proxima C175, C185 Projector Users Guide

30
Custom Key (for use with optional remote only): allows you to assign a dif
-
ferent function to the Custom button on the remote to quickly and easily 
use the effect. Only one effect can be enabled at a time. Highlight an effect 
and press Select to choose a different one. The default effect is About.Blank: displays an empty screen.Mute: turns off all sound.Aspect Ratio: toggles among 4:3, 16:9, and Native (see 
page
 25).
Source: cycles through available sources.Auto Image: resets the projector...

31
PIN featureThe PIN (personal identification number) feature allows you to password 
protect your projector. Once you enable the PIN feature, you must enter the 
PIN before you can project an image.To use this feature, you must register your projector at www.infocus.com/
register and follow the instructions there to get a default PIN. The PIN con
-
sists of a sequence of 5 navigation button presses. The navigation buttons 
are menu, select, up arrow and down arrow. Once you have this PIN, select...

32
MaintenanceCleaning the lens1
Apply a non-abrasive camera lens cleaner to a soft, dry cloth.Avoid using an excessive amount of cleaner, and don’t apply the 
cleaner directly to the lens. Abrasive cleaners, solvents or other harsh 
chemicals might scratch the lens.
2
Lightly wipe the cleaning cloth over the lens in a circular motion. If you 
don’t intend to use the projector immediately, replace the lens cap.
Using the security lockThe projector has a security lock for use with a cable lock system....

33
Replacing the projection lampThe lamp hour timer in the Service Info menu counts the number of hours 
the lamp has been in use. Twenty hours before the specified end of the 
lamp’s life, the message “Replace lamp” briefly appears on the screen at 
each startup. When the expected lamp life has been reached, the Lamp indi
-
cator icon lights red (
page
 12). 
NOTE: You can order new lamp housings from www.infocus.com (in select 
areas), your retailer or your dealer. Use only a replacement lamp with the...

34
 Be extremely careful when removing the lamp housing. In the unlikely 
event that the lamp ruptures, small glass fragments may be generated. 
The lamp module is designed to contain most of these fragments, but 
use caution when removing it. Before replacing a ruptured lamp, clean 
the lamp compartment and dispose of cleaning materials. Wash hands 
after lamp replacement. This product has a lamp which contains a very 
small amount of mercury. Dispose of it as required by local, state or fed
-
eral...

35
Cleaning the lamp filter screensIn dirty or dusty environments, the dust filter screens on the lamp module 
and lamp door and in the lamp compartment
 can become clogged, causing 
high temperatures inside the lamp module. These high temperatures can 
impact lamp performance and operating life. Routine maintenance to 
remove dust and dirt from the screens lowers the lamp operating tempera
-
ture and prolongs lamp life. To maximize lamp life you will need to clean 
the screens every 250 hours. Lamp...

36
AppendixProjected image sizeNOTE: Visit our website for an interactive image size calculator.
Ta b l e  2 :  
Image sizes 
Distance 
to screen 
 
(feet/m) 
Minimum 
Diagonal
 
(feet/m)
Maximum 
Diagonal
 
(feet/m)
Minimum 
Horizontal
 
(feet/m)
 Maximum
 
Horizontal 
 
(feet/m)
5/1.5
2.75/0.83
3.4/1.02
2.2/0.66
2.73/0.82
10/3
5.5/1.65
6.8/2.04
4.41/1.32
5.46/1.64
15/4.6
8.25/2.53
10.2/3.13
6.61/2.03
8.2/2.51
20/6.1
11/3.36
13.6/4.15
8.81/2.69
10.93/3.33
30/9.1
16.5/5.01
20.4/6.19
13.22/4.01...

37
INDEXAAdvanced setting 27
Aspect Ratio 25, 30
audio 22
Audio In connector 5, 9
audio volume 11
audio, troubleshooting 22
Auto Power 28
Autosource 28BBlank screen 29
Brightness 8CCeiling 28
cleaning the lamp filter screens 35
cleaning the lens 32
Color 11, 25
Color Control 27
Color Space 27
Color Temperature 27
colors are incorrect 18
computer connections
optional 5
required 5
computer image
optimize 23
troubleshooting 13
connecting
computer 5
external speakers 22
video device 9
connector panel 4...

38
lock, security 32
Low Power 28MMacintosh troubleshooting 15
Main menu 24
menu system 24
Monitor connector 6Nno computer image 14
no startup screen 13Oonly startup screen appears 13
onscreen menus 24
Overscan 27Ppassword-protecting the projector 31
PC Screen Saver 29
personal identification number 31
Picture menu 25
PIN 31
Position 27
power cable 5, 9
Power Save 12, 29
Power-up Source 28
presentation features 23
projected image sizes 36
projector
adjusting the height 8, 10
connector panel 4
customizing...