Shallow Water (SW)
The SW mode is designed to work at shallow depths (2 meters or less). In
this mode, the power of acoustic signals is significantly reduced, which helps
to avoid reflected signals and obtain more reliable and understandable
information on the display. Sensitivity adjustment will also work.
The device can measure depth at depths greater than 2 meters, but in this
case, high sensitivity cannot be achieved.
!
ATTENTION! In SW mode, there is no fish identification! The sonar works
as in Pro mode. By default, in SW mode, deaf zone is set to 0.5 m.
Demo
The Demo mode designed to test the performance of sonar in the air,
without immersing it in a water reservoir.
1. Turn on the sonar, go to the MENU, select Demo in the Modes section,
and activate it.
2. Hold it be the cable (!) above the battery compartment for 20-30 cm so
that the sensor is strictly vertical to the floor. Then raise the sensor at a
distance of 0.5-1.0 m from the solid surface (floor). When it stops swinging, an
even strip of “bottom” will be drawn on the screen; the indicator will show the
exact distance from the sensor to the floor in centimeters. When slowly
lowering or raising the sensor, the “depth” will change.
In Demo mode, the fish identification mechanism does not work, and there
are no fish symbols on the screen.
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