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4) Press the [t] or [s] key to set level.
Too high Proper Too low
Figure 3-12 Examples of proper and improper gain
5) Press the [▼] key to select Range.
6) Press the [t] or [s] key to select basic range desired.
7) Press the [▼] key to select Shift.
8) Press the [t] or [s] key to select shift the basic range, if de-
sired.
9) Press the [MENU ESC] key.
3.5 Suppressing Low Level Noise
When medium tone dots appear on a large part of the screen mainly
due to water contamination or unit’s internal noise, adjust CLUT-
TER on the VIDEO SOUNDER SETUP menu to eliminate the
dots.
When the video sounder mode is Auto, the clutter suppression set-
ting is fixed at AUTO.
Figure 3-13 How the clutter function works
1) Press the [MENU ESC] key.
2) Press the [6] key to display the VIDEO SOUNDER SETUP
menu.