Hitachi CP-X2021WN Manuel d'utilisateur télécharger pdf (Page 92)

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-X2021WN, CP-X2521WN, CP-X3021WN: 1024 x 768 (XGA)

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”.

USB Display (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

(46)

, audio sound operation in the

Options window will be disabled.

NOTE

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Hitachi CP-X2021WN Manuel d'utilisateur Page 92

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