Humminbird 500 SERIES 596C - Manual (Page 51)

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Fish ID Sensitivity
Fish ID Sensitivity adjusts the threshold of the
Fish ID+™ detection algorithms. Selecting a higher setting allows weaker
returns to be displayed as fish. This is useful for identifying smaller fish species
or baitfish. Selecting a lower setting displays fewer fish from weak sonar
returns. This is helpful when seeking larger species of fish.
Fish ID Sensitivity is used in conjunction with Fish ID+™. Fish ID+™ must be
On for Fish ID Sensitivity to affect the ability of the Fishfinder to identify sonar
returns as fish.
To change the Fish ID Sensitivity setting:
1. Highlight Fish ID Sensitivity on the Sonar main menu.
2. Press the LEFT or RIGHT Cursor keys to change the Fish ID Sensitivity
setting. (Low = 1, High = 10, Default = 5)
Real Time Sonar (RTS™) Window
RTS Window™ sets the RTS Window™ to either
Wide or Narrow, or turns it off in the Sonar View. The RTS Window™ always
updates at the fastest rate possible and only displays returns that are within the
transducer beam. See What’s on the Sonar Display for more information.
To change the RTS Window™ setting:
1. Highlight RTS Window on the Sonar main menu.
2. Press the LEFT or RIGHT Cursor keys to change the RTS Window™
setting. (Wide, Narrow, Off, Default = Narrow)
RTS Window™ (Wide) RTS Window™ (Narrow) RTS Window™ (Off)
Sonar Menu Tab