Hitachi CP-TW2505 User Manual page 134

Presentation tools
USB Display(Mac computer) (continued)
Options window
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-TW2505, CP-TW3005: 1280 x 800 (WXGA)
If your computer does not support the display resolution specified 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.
About
The version information of the "LiveViewer Lite for USB".
NOTE
• 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
in AUDIO SOURCE of the AUDIO menu (61), audio sound operation in the
Options window will be disabled.
134
is selected for USB TYPE B