Humminbird Matrix 20 - Manual (Page 8)

3
What’s On the Display
The Matrix Fishing System can display a variety of useful information about the area
NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if either
information from the GPS receiver will be displayed on the view.
Timer - elapsed time with Temp/Speed
Accessory or GPS Receiver.
Average Speed - average speed reading with
Temp/Speed Accessory or GPS Receiver.
Depth - water depth; can be set to alarm
when the water becomes too shallow.
Speed - if a Temp/Speed accessory or GPS
Receiver is attached, the Matrix 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.
Cursor Dialog Box - indicates cursor depth
directly below the cursor.
Bait Ball
Hard Bottom
Rocky Bottom
Cursor - available in Freeze Frame and can
depth of a sonar return and bottom depth
Distance - distance traveled with Temp/Speed
Accessory or GPS Receiver.
Temperature - water surface temperature.