Ask Proxima C440/c450 Users Guide

30
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 31.
 Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Picture 
menu. See page 32. 
 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...

31
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...

32
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.
Zoom: allows you to adjust a lens to zoom in and out. Highlight Zoom, 
then press the up or down arrows on the keypad or remote. 
Focus: allows you to adjust the lens focus for an image. Highlight Focus, 
then press the up or down arrows on the keypad or remote.
Lens Shift: allows you to mechanically shift the lens....

33
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.) You can use the preset as a starting point, then further cus-
tomize the settings for each source. The settings you customize are saved in 
the preset for each source. To restore the factory...

34 Advanced settings
Sharpness: (video sources only) changes the clarity of the edges of a video 
image. Select a sharpness setting.
Color Space: This option applies to computer and component video 
sources. 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...

35
Settings menuAudio: allows adjustments to the Balance and 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...

36
Screen Save: automatically blanks the screen after no signals are 
detected for five minutes. The image returns when an active source is 
detected or a remote or keypad button is pressed. Screen Save is disabled 
when Power Save is enabled.
Startup Logo: allows you to display a blank Black, White, or Blue screen 
instead of the default screen at startup and when no source is detected. It 
also allows you to capture and display a custom startup screen. 
To capture a custom logo, display the image you...

37
PiP: (Picture in Picture) allows you to overlay a smaller window showing 
the video source on top of the larger computer source window. Only video 
sources 2 and 3 (composite and S-video) support PiP. You must have both a 
computer and video source connected to use PiP. You can’t show a com-
puter image in the smaller PiP window, only a video image. You can select a 
small, medium, or large window. You can also move the PiP window on the 
screen using the PiP Position X and Y options, or the Upper...

38
Network: The projector has an RJ45 Ethernet connector that supports net-
work connections and TCP/IP protocols. This will allow for the control and 
management of the projector over a corporate network. The following fields 
are accessible when DHCP is not checked and available for manual entry of 
data.
IP Address: Identifies the projector on the network.
Subnet mask: Separates the network address part of the IP address.
Default gateway: The IP address of the local router.
DHCP: Select this to...

39
MaintenanceNOTE: When you are performing maintenance activities on your projector, 
keep in mind that you should only remove screws that are single-slot, or 
flathead, screws. Any other type of screw, such as a phillips or star should 
not be removed. These types of screws should only be removed by technical 
support experts.Cleaning 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....