Humminbird 561 Fish Finder User Manual


 
What’s on the Sonar Display
The 500 Series™ Fishfinder can display a variety of useful information about
NOTE: Entriesinthisviewthatlist(with Temp/Speed)are availableiftheaccessory isconnected
Depth -(water depth) can be set toalarm 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/SpeedAccessory.
Second Sonar Return - When the sonar signal
bouncesbetweenthebottomandthesurfaceofthe
water and back again. Use the appearance of the
secondreturn to determine bottom hardness.Hard
bottomswillshowastrongsecondreturn,whilesoft
bottomswillshowaveryweakoneornoneatall.
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.
What’s on the Sonar Display
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