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3-106
[Wide Dynamic Range]
Its gradation granularity is high, so that it suits observation of subtle
differences of tissues. This mode, however, tends to capture unnecessary
echoes and artifacts (virtual images created by inflections and reflections of
ultrasound beams). This mode mainly suits the observation of opacity and
bleed in a corpus vitreum.
[User settings]
The utility allows up to three user settings to be registered. (Refer to 3.12.2
f) Image quality settings.)
Selecting an image setting sets the total gain, dynamic range, near gain,
and far gain according to the selected image setting. These settings are
shown in the upper left of the screen (2).
Use knobs (3) to make adjustment as necessary. The selection is canceled
when the setting value is changed by the adjustment.
(3)
(Fig. 2)
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