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Introduction
The Fishfi nder 100 Blue is capable of displaying a variety of useful
information about the underwater environment. Below are a few things
the unit will help you see.
Water Depth
The unit displays water depth and can provide a warning for shallow
or deep-water conditions.
Battery Voltage
The unit can display the battery voltage that is available to the unit.
Speed Over Water*
If equipped with a capable transducer or speed sensor, the unit can
display the boat’s speed over water.
Water Temperature*
If equipped with a capable transducer or temperature sensor, the unit
can display the water temperature.
Fish
The unit displays fi sh as arches or fi sh symbols, and can alert you when
a fi sh is detected.
Thermocline and Structure
With GARMIN’s See-Thru® technology, the Fishfi nder 100 Blue can
display more than just the thermocline and structure. The unit displays
fi sh in and below the thermocline, trees, brush and deadfall like you
have never seen before!
Bottom Shape and Type
Garmin’s unique DCG® (Depth Control Gain) system provides a clear
graphic representation of the bottom type and its shape.
Transducer Frequency*
If equipped with a capable transducer, the unit will display the fre-
quency selected for use; either 200kHz, 50kHz or Dual.
* Requires optional transducer or speed sensor
What can the Fishfi nder 100 Blue
Display?
FF 100 Blue.indd 09/18/01, 2:57 PM6