Humminbird 561 Fish Finder User Manual


 
What’s on the Down Imaging™ Display
13
What’s on the Down Imaging™ Display
Down Imaging™ uses its unique transducer and sonar technology to provide
profiling beams produce the detailed sonar data that you see on the display.
interpret the structure and bottom contour, including the following items:
NOTE: Entries in thisview thatlist (withTemp/Speed) are available if the accessoryis connected
Depth -(water depth) can be set toalarm when
the water becomes too shallow.
Temperature -Water surface temperature.
Speed-IfaTemp/Speedaccessoryisconnected,
the Fishfinder can display the speed of the boat
and can keep a Triplog of nautical or statute
miles traveled.
Topography Changes - The light part of the
display shows where the beam is hitting hard
bottom or rising terrain. The dark part of the
display indicates soft bottom (sand, mud) or
descending terrain.