Humminbird 385ci Combo, Руководство по эксплуатации

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5
Dual Beam Ice Transducer
(optional-purchase XI 9 20 Ice Transducer only)
Your Fishfinder supports the optional-
purchase XI 9 20 Ice Transducer which
provides selectable dual-frequency sonar
with a wide area of coverage. Selectable
dual-frequency gives you the option of two
beams, and both beams will cover the
bottom and provide high definition. The 20
degree center beam provides the highest
definition, while the 60 degree beam
provides wider coverage. Depth capability
is affected by such factors as bottom
hardness and water conditions. Whether
fishing in shallow to very deep water,
selectable dual-frequency is ideal for a
variety of conditions.
Ice transducer
How Sonar Works