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How to set the sensitivity
AUTO GAIN mode is NOT recommendable when the transducer was installed inside of the hull.
<To decrease the sensitivity>
Each time when you press GAIN
key, sensitivity decreases
and number indicating sensitivity decreases.
<To increase the sensitivity>
Each time when you press GAIN
key, sensitivity increases and
number indicating sensitivity increases.
To set GAIN level in dual frequency mode, press menu key shortly for selecting the frequency.
(Numbers in YELLOW is in action)
<Poor sensitivity>
<Too much sensitivity>
<Good>
Bottom is shown in green or
white.
As second reflection is shown,
it is easy to distinct the fish
school.
As plankton, stains in water,
and etc.
GAIN
key
GAIN
key