Humminbird 300 SERIES 345C DI - Manual (Page 16)

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) are available if the device is connected to
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.
Distance - Distance traveled with Temp/Speed
Accessory.
Average Speed - Average speed reading with
Temp/Speed Accessory.
Cursor Dialog Box - Indicates cursor depth on
the display and the depth of the bottom directly
below the cursor.
Speed - If a Temp/Speed accessory is attached,
the Fishfinder can display the speed of the boat
and can keep a Triplog of nautical or statute
miles traveled.
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.
7