What’s On the Display
The 300 Series™ Fishing System can display a variety of useful information about the area under and adjacent to your boat, including the following items:
Depth - water depth; can be set to alarm when the water becomes too shallow.
Speed - if a Temp/Speed accessory is attached, the 300 Series™ can display the speed of the boat, and can keep a Triplog of nautical or statute miles traveled.
Temperature - water surface temperature.
Timer - elapsed time with Temp/Speed 
Accessory.
Distance - distance traveled with Temp/Speed Accessory.
Average Speed - average speed reading with Temp/Speed Accessory.
Cursor - available in Freeze Frame and can depth of a sonar return and bottom depth
be positioned in the Sonar View to provide | 83 kHz, Wide Beam Hollow Fish Symbol |
below the cursor. |
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| Structure - where fish may be hiding. |
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Fish - fish are
displayed as arches and/or fish icons, and the unit can be set to alarm when a fish of a certain size is detected. When a target is detected and Fish ID+ is on,
200 kHz, Narrow Beam Shaded Fish Symbol
Bait Ball
Hard Bottom
Rocky Bottom
Second Sonar Return - when the sonar signal bounces between the bottom and the surface of the water and back again. Use the appearance of the second return to determine bottom hardness. Hard bottoms will show a strong second return, while soft bottoms will show a very weak one or none at all.
Cursor Dialog Box - indicates cursor depth directly below the cursor.
Thermoclines - layers of water with different temperatures that appear at different depths and different times of the year. A thermocline typically appears as a continuous band of many gray levels moving across the display at the same depth.
Soft Bottom
RTS® (Real Time Sonar) Window
Battery Voltage - the voltage of the boat’s
on the display and the depth of the bottom battery; can be set to alarm if the voltage falls below a certain point.
NOTE: Entries in this view that list (with Temp/Speed) are available if this device is | connected to the 300 Series™ Fishing System. |
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