Ask Proxima C175, C185 Projector Users Guide

10
Displaying a video imageRemove the lens cap. 
 
  Press the Pow e r button on the top of the projector or the remote.
 
The Power light on the Status Indicator Panel (
page
 12) blinks green and the 
fans start to run. When the lamp comes on, the start up screen displays and 
the Power light is steady green. It can take a minute for the image to achieve 
full brightness. . 
? No startup screen? Get help on 
page
 12.
Plug in and turn on the video device.The video device’s image should appear on the...

11
 Adjust the zoom or focus rings by rotating them until the desired image size 
and focus are produced.
 
 If the image is not square, adjust the vertical keystone using the buttons on 
the keypad. 
 
Press the upper Key s t o n e  button to reduce the upper part of the image, and 
press the lower Key s t o n e  button to reduce the lower part.
 
You can also adjust the keystone via the menus. See 
page
 25.
 Adjust the volume on the keypad.
 
      Adjust the Contrast, Brightness, Color, or Tint in...

12
Shutting down the projectorThe projector automatically blanks the screen after no active source is 
detected for 30 minutes. This blank screen helps preserve the life of the pro
-
jector. The image returns when an active source is detected or a remote or 
keypad button is pressed. Screen SaveYou can make the blank screen appear after five minutes by turning on 
Screen Save in the Settings>System menu. See 
page
 29. There are six time 
options for the Screen Save feature. They range from five minutes...

13
Source TroubleshootingProblem 
Solution
Result
No startup screen
Plug power cable in, press Power button. Remove lens cap.
Correct image
Only startup screen appears
Press the Source button 
 
Activate laptop’s external port
Computer image projected
A
or restart
laptop
A
A 

14
No computer image, just the words “Signal out of 
range” 
Adjust computer refresh rate in Control Panel>Display>Settings>Advanced>
 
Adapter (location varies by operating 
system)
Computer image projected
For PC: Image fuzzy or cropped 
Set your computer’s display resolution to the native resolution of the projector 
(Start>Settings>Control 
Panel>Display>Settings tab, select 
1024x768) 
Image clear and not cropped
A
Signal out of
range
You may also need to set a different 
resolution on your...

15
For Macintosh: Image fuzzy or cropped
Set your computer’s display resolution to 
the native resolution of the projector 
(Apple menu>System 
Preferences>Displays, choose 1024x768) 
Image clear and not cropped
Only my laptop’s background appears, not the 
Desktop icons 
Disable “Extend my Windows Desktop” in Control Panel>Display>Settings>Display 2 
(location varies by operating system)
Background and Desktop projected
A
A
A
A
A
 
Uncheck this
option, then
click Apply
A
A 

16
Projector troubleshootingThe video embedded in my PowerPoint 
presentation does not play on the screen
Turn off the internal LCD display on your 
laptop
Embedded video plays correctly
A
AB
A
B
Problem 
Solution
Result
Image not square
Adjust keystone on keypad or Picture menu
Square image
Image not sharp
Adjust the focus lens or Sharpness in the Picture>Advanced menu
Correct image
ABAB
AB 

17
Image does not fit 16:9 screen
Change aspect ratio to 16:9 in Picture>Aspect ratio menu
Correct image
Image upside down
Turn off Ceiling in Settings>System menu
Correct image
Image reversed left to right
Turn off Rear in Settings>System menu
Correct image 
A
B
AB
A
AB 

18
Projected colors don’t match source
Adjust color, tint, color temperature, brightness, contrast in the menus
Correct image
Image not centered on screen
Move projector, adjust zoom, adjust height
Correct image
COLOR
COLOR
Adjust horizontal or vertical position in 
Picture>Advanced menuzoom 

19
Still having problems?If you need assistance, visit the Service and Support section of our website 
or call us. 
This product is backed by a limited warranty. An extended warranty plan 
may be purchased from your dealer. When sending the projector in for 
repair, we recommend shipping the unit in its original packing material, or 
having a professional packaging company pack the unit. Please insure your 
shipment for its full value.
Lamp won’t turn on, Temperature light is on
Make sure vents aren’t...