Understanding The Graph - Garmin GPSMAP 178C Owner's Manual
Color chartplotter & depth-finder
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Also See for GPSMAP 178C:
- Owner's manual (134 pages) ,
- Specifications (2 pages) ,
- Manual (2 pages)
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Thermoclines
Appendix G
One of the unique features offered by Garmin is See-Thru technology. See-Thru technology allows
the GPSMAP 178C to "see" through thermoclines and helps locate fi sh where they live; and fi sh love
Understanding the Graph
thermoclines! A rough defi nition 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
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