Ask Proxima C445 Users Guide

20 Still having problems?
If you need assistance, visit our website or call us. See the inside of the back cover for a list of all relevant web addresses.
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.Image not centered on screenMove...

21
Using the keypad buttonspower–turns the projector on (page 9) and off (page 14).
menu–opens the on-screen menus (page 25).
up/down arrows–navigates to and adjusts settings in the menus (page 25).
select–confirms choices made in the menus (page 25).
source–switches among active sourcesUsing the remote control The remote uses two (2) AA batteries. They are easily installed by sliding 
the cover off the remotes back, aligning the + and - ends of the batteries, 
sliding them into place, and then replacing...

22
Using the audio To play sound from the projector, connect your source to the Audio In con-
nector on the projector.
To adjust the volume, mute, or loudness, use the Audio menu (see page 29).Troubleshooting audioIf there is no sound, check the following:
 Make sure the audio cable is connected.
 Make sure mute isn’t active. 
 Make sure the volume is turned up enough.
 Make sure you are connected to the corresponding audio in for your 
source. Audio 1 corresponds to Computer 1, Audio 2 corresponds...

23
Optimizing computer imagesAfter your computer is connected properly and the computer ’s image is on 
the screen, you can optimize the image using the onscreen menus. For gen-
eral information on using the menus, see page 25.
 Adjust the Keystone, Contrast, or Brightness in the Picture menu. 
 Change the Aspect Ratio. Aspect Ratio is the ratio of the image width to 
image height. TV screens are usually 1.33:1, also known as 4:3. HDTV 
and most DVDs are 1.78:1, or 16:9. Choose the option that best...

24
Optimizing video imagesAfter the video device is connected properly and the image is on the screen, 
you can optimize the image using the onscreen menus. For general informa-
tion on using the menus, see page 25.
 Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Picture 
menu. See page 26. 
 Change the Aspect ratio. Aspect ratio is the ratio of the image width to 
image height. TV screens are usually 1.33:1, also known as 4:3. HDTV 
and most DVDs are 1.78:1, or 16:9. Choose the...

25
Using the menusTo open the menus, press the menu button on the keypad or remote. (The 
menus automatically close after 60 seconds if no buttons are pressed.) The 
Main menu appears. Use the arrow buttons to move up and down to high-
light the desired submenu, then press the Select button. 
To change a menu setting, highlight it, press Select, then use the up and 
down arrow buttons to adjust the value, select an option using radio but-
tons, or turn the feature on or off using check boxes. Press...

26
Picture menuTo adjust the following six settings, highlight the setting, press Select, use 
the up and down arrows to adjust the values, then press select to confirm 
the changes.
Ke y s t o n e  Ve r t i c a l: adjusts the image vertically and makes a squarer image 
by using an adjustable scale band. 
Ke y s t o n e  H o r i zo n t a l: adjusts the image horizontally and makes a squarer 
image by using an adjustable scale band.
Contrast: controls the degree of difference between the lightest and...

27
Presets: The provided Presets optimize the projector for displaying com-
puter presentations, photographs, film images, and video images. (Film 
input is material originally captured on a film camera, like a movie; video 
input is material originally captured on a video camera, like a TV show or 
sporting event.) 
There are also user-definable presets. To set a preset for the current source, 
adjust the image, select Save Settings in the Presets menu, then select Save 
User Presets 1 (or 2 or 3). You...

28 Advanced settings
Sharpness: changes the clarity of the edges of a video image. Select a sharp-
ness setting.
Color Space: This option applies to computer and component video 
sources (except 480i/576i). It allows you to select a color space that has been 
specifically tuned for the input signal. When Auto is selected, the projector 
automatically determines the standard. To choose a different setting, turn 
off Auto, then choose RGB for computer sources, choose either SMPTE240, 
REC709 or REC601 for...

29
Settings menuAudio: allows adjustments to the Volume. Also allows you to turn on and 
off the Internal speakers, and projector startup Chime.
Sources
: allows you to assign a particular input to a specific source key 
when using the Integrator remote. Also allows selection of a default Startup 
Source and enables or disables Autosource. 
Sources>Power-up Source: this determines which source the projector 
checks first for active signal during power-up. 
Sources>Autosource: When Autosource is not...