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Presentation tools
If you select the Option button on the Floating 
menu, the Options window is displayed.
Optimize Performance
The “LiveViewer Lite for USB” captures  
screenshots in JPEG data and sends them to  
the projector. The “LiveViewer Lite for USB” has  
two options that have different compression rate  
of JPEG data. 
Transmission speed
Speed takes priority over Image quality. 
It makes JPEG compression rate higher.
The screen on the projector is rewritten quicker because the transferred 
data is smaller, but the image quality is worse.
Image quality
Image quality takes priority over Speed. 
It makes JPEG compression rate lower.
The screen on the projector is rewritten slower because the transferred 
data is larger, but the image quality is better.
Keep PC resolution
If you remove the check mark from the [Keep PC resolution] box, the screen 
resolution of your computer will be switched as follows, and the display speed 
may be faster. 
CP-CX301WN: 1024 x 768 (XGA)
CP-CW251WN,CP-CW301WN: 1280 x 800 (WXGA)
If your computer does not support the display resolution specied above, a 
smaller resolution that is the largest among the resolutions that are supported by 
the computer will be selected.
Sound 
Turns the sound on/off. The image quality may deteriorate when you play back 
audio data transferred together with the image data. To give priority to the image 
quality, turn off the sound by selecting the checkbox.
Display LiveViewer Lite for USB 
If you want to display the "LiveViewer Lite for USB" application window on the
screen, please check the box.
About 
The version information of the “LiveViewer Lite for USB”.
USB Display(Windows computer) (continued)
Options window
• When the resolution is changed, the arrangement of icons on 
computer desktop screen may be changed.
• If one of the AUDIO IN ports is selected or   is selected for USB TYPE B 
in AUDIO SOURCE of the AUDIO menu (50), audio sound operation in the 
Options window will be disabled.
NOTE