Mind Peak WaveRider Manuel d'instructions télécharger pdf (Page 43)

WaveRider Operating Manual

Bar Graph Options

The Bar Graph Options dialog box allows you to change the appearance and characteristics of

the Fast Bars and Slow Bars windows.

Channels

Choose among the WaveRider channels (or among the saved channels, if an archive file is

being read); the chosen channels will be displayed in this bars window. Some of the channel

checkboxes may be grayed, indicating channels that have a different use category.

If multiple channels are displayed in one window, those channels become Linked; the ranges

of linked channels are always kept the same.

Timebase

The Slow Bars display differs from Fast Bars in that the Slow Bars display averages the

frequencies of the brain signals over a selected number of seconds.

A longer timebase renders the Slow Bars display more stable and hence easier to read, while

a shorter timebase makes events such as a momentary burst of a certain frequency more

visible.

umbered Frequencies

If this box is checked, the Bars display includes a post which shows the frequencies

represented by the bars, numbered from 1 to 40 Hz.

Style

The arrangement of the bar graphs within the window may be selected, by clicking on the

picture that represents your preference. This allows you to arrange the window so that the

display reflects the positions of the electrodes on the scalp. The channels are always

displayed in order, from the top left across the window.

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Mind Peak WaveRider Manuel d'instructions Page 43