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What’s on the Sonar Display
What’s on the Sonar Display
The 300 Series™ Fishfinder can display a variety of useful information about
NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if either
the information from the GPS receiver will be displayed on the view.
Depth - Water depth; can be set to alarm when
the water becomes too shallow.
Temperature - Water surface temperature.
Timer - Elapsed time with Temp/Speed
Accessory or GPS Receiver.
Distance - Distance traveled with Temp/Speed
Accessory or GPS Receiver.
Average Speed - Average speed reading with
Temp/Speed Accessory or GPS Receiver.
Second Sonar Return - When the sonar signal
bouncesbetweenthebottom andthe surfaceofthe
water and back again. Use the appearance of the
second return to determine bottom hardness. Hard
bottoms willshowa strongsecondreturn,whilesoft
bottoms will show averyweak one or noneat all.
Cursor Dialog Box - Indicates cursor depth on
the display and the depth of the bottom directly
below the cursor. The Latitude and Longitude of
the cursor position, the distance to travel to the
cursor position, and the bearing to the cursor
position are shown with a GPS receiver. A
waypoint can be marked at the cursor position
for later retrieval and use with a GPS receiver.
Speed - If a Temp/Speed accessory or GPS
Receiver is attached, the Fishfinder can display
the speed of the boat and can keep a Triplog of
nautical or statute miles traveled.