EURO-WARE 178 - Manual (Page 125)

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Appendix G
Understanding the Graph
Thermoclines
One of the unique features offered by Garmin is See-Thru technology. See-Thru technology allows
the GPSMAP 178/178C to “see” through thermoclines and helps locate fish where they live; and fish
love thermoclines! A rough definition of a thermocline is a break in water where the water temperature
changes faster than the water above it. Thermoclines are shown as the weakest colors (see pg. 14).
Thermocline