GSSI UtilityScan, Быстрый старт

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UtilityScan Quick Start Guide Page 28
The second type of gain is Variable Display Gain
(VDG). VDG works in conjunction with automatic
gain and provides you with greater personal control
over the entire file’s gain and the top and bottom
sections of the file’s depth scale. It is available while
collecting data (when the backup cursor is onscreen)
and during Playback.
Tap Gain from the Menu Carousel to bring up the
VDG gain control pane on the right. By cl/-
you can change the gain by increments of 3 dB.
Adding gain will make the contrast brighter,
subtracting will make it weaker. Gain Level will
affect the entire vertical scale while Shallow and
Deep will affect the top and bottom half
respectively.
Note that you must have the backup cursor onscreen to access VDG while you are collecting a file.
Variable Display Gain