What’s On the Display
The 300 Series™ Fishing System can display a variety of useful information about the area
Depth - water depth; can be set to alarm when the water becomes too shallow.
Cursor - available in Freeze Frame and can be positioned in the Sonar View to provide depth of a sonar return and bottom depth below the cursor.
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.
Speed - if a Temp/Speed accessory is attached, 
the FishFinder can display the speed of the boat.
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 bottomswillshowastrongsecondreturn,whilesoft bottoms will show a very weak one or none at all.
Cursor Dialog Box - indicates cursor depth on the display and the depth of the bottom directly below 
the cursor.
under and adjacent to your boat, including the following items:
High Sonar Intensity Return
Bait Ball
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 colors moving across the display at the same depth.
83 kHz Blue Fish Symbol
Fish - the FishFinder displays fish as arches and/or fish icons, and can be set to alarm when a fish of a certain size is detected. When a target is detected, a Fish ID+TM symbol appears on the display with the depth displayed above it. The size of the symbol indicates the intensity 
of the sonar return. The unit will clearly show schools of Bait Fish as "clouds" of different shapes and sizes, depending on the number of fish and boat speed.
200 kHz Orange Fish Symbol
Structure - where fish may be hiding.
RTS® (Real Time Sonar) Window
Low Sonar Intensity Return
NOTE: Entries in this view that list (with Temp/Speed) are available only if the device is connected | to the 300 Series™ Fishing System. |
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