User`s guide

3
Dual beam sonar (NAKI 610 / 620 only)
NAKI 610 / 610 Fishfinder adopts a 200 / 83(50) kHz Dual Beam sonar
system, with which the sonar coverage has a different area of 20°/60°
(12°/ 35°)correspondingly, which enable you get the best bottom infor-
mation.
By the Dual beam sonar setting, you can use the narrow 20°
(12°) beam to penetrate the deep bottom while you are still being able
to
use the wide 60° ( 35° ) beam for a wide detection.
With the Dual beam sonar system, NAKI610 / 620 provide you an
excellent
detecting performance from shallow to very deep water in
both fresh and salt water.
83khz
R
R
200khz
20
R
60
50khz
R
12
R
35
200khz