8 adjusting the gain, Caution – Furuno FCV-30 User Manual
Page 26
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1. OPERATIONAL OVERVIEW
1-16
1.8
Adjusting the Gain
Adjust the gain according to signal strength. Adjust so noise just disappears from the
screen.
Use the proper gain setting.
Incorrect gain may produce wrong depth
indication, possibly resulting in a
dangerous situation.
CAUTION
1. Click Setting.
2. Click Echo image.
3. Click ◄ or ► in the Gain box to choose the gain setting desired.
Gain too high Gain proper Gain too low
Examples of gain settings and resulting pictures
4. Click the OK button.
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