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Fish ID+
TM
Fish ID+
TM
uses advanced signal processing to interpret
sonar returns, and will display a Fish Symbol when very selective requirements are
met. When a fish is detected, a fish icon and its depth are displayed above the return
that has been classified as being a fish. Three different fish size icons represent the
intensity of the sonar return, and provide an indicator of relative fish size.
Single beam sonar models represent targets as Shaded Fish Symbols.
DualBeam PLUS™ sonar models represent targets detected in the 200 kHz narrow
beam as Shaded Fish Symbols, and represent targets detected in the 83 kHz wide
beam as Hollow Fish Symbols.
QuadraBeam® sonar models represent targets detected in the 200 kHz narrow
beam as Shaded Fish Symbols, and represent targets detected in the 83 kHz wide
beam as Hollow Fish Symbols. In addition, targets detected in the 455 kHz side
beams are represented with Hollow Fish Symbols.
When Fish ID+
TM
is turned off, the Fishing System
shows only the raw sonar returns on the display.
These returns willoftenresultin "arches"forming on
the display, indicating potential targets. Due to the
transducer beam angle, the distance to a fish
decreases as the fish moves into the beam, and then
increases as it moves out again, creating a Fish Arch when this distance change is
shown on the display. Boat speed, chart speed, and the position of the fish within the
sonar beam greatly affect the shape of the arch.
To turn Fish ID+ on or off:
1. Highlight Fish ID+ on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to turn the Fish ID+
TM
setting On or Off. (Off, On, Default = Off)
Transducer Cone and Fish Arches
200 kHz, Narrow Beam Shaded
Fish Symbols
83 kHz, Wide Beam and 455 kHz Side Beam
Hollow Fish Symbols (DualBeam PLUS™
and QuadraBeam® Only)