What’s On the Sonar Display
The 1100 Series™ can display a variety of useful information about the area under and adjacent to your
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Depth -
water depth; can be set to alarm when the
water becomes too shallow.
Temperature -
water surface temperature
Speed -
if a Speed accessory or GPS Receiver is
attached, the 1100 Series™ can display the speed
of the boat, and can keep a triplog of nautical or
statute miles traveled.
Course -
the current direction the boat is traveling
measured in degrees from North.
Voltage
Sonar Color Bar -
color spectrum indicating low to
high sonar intensity returns, where red indicates high
intensity and white indicates low intensity.
RTS® (Real Time Sonar) Window
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.
Bait Ball
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.
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