Warn
Warning:
ing: Although the unit is designed waterproof, it is
strongly warned not immerge it into in water
,
whcih may
cause damage of inner electronic part.
Under
Understanding s
standing sonar
onar
If you are familiar with how sonar works, skip ahead to the
next segment. But, if you have never owned sonar Fishfinder
before, this segment will tell you the basic working theory
about sonar.
Based on the sonar techno-
logy, the Fishfinder could
detect the underwater
condition, including fish,
structure, or bottom. After
you finished the installation
of transducer and sonar unit,
connect the sonar unit to the
transducer. The transducer
sends a sound wave signal
into the water in a cone shape. At the source, the wave is
narrow; however as it penetrates deeper, the sound wave
Summary of Contents for NAKI8850B
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