Humminbird 531427-1_D - Manual (Page 64)

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Fish ID Sensitivity
Fish ID Sensitivity adjusts the threshold of the Fish ID+ TM
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+
TM . Fish ID+ TM must be On for Fish ID Sensitivity to
affect the ability of the 700 Series™ Fishing System to identify sonar returns as fish.
To change the Fish ID Sensitivity setting:
1. Highlight Fish ID Sensitivity on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control 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 Real Time Sonar
(RTS®) Window for more information.)
To change the RTS® Window setting:
1. Highlight RTS Window on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the RTS® Window setting.
(Wide, Narrow, Off, Default = Wide)
RTS® Window (Narrow) RTS® Window (Off) RTS® Window (Wide)