Question about Garmin Gpsmap 440s Dual Frequency Combo
Unit flashes depth reading (I swear it is deeper than 2.2 feet!! it was more like 900) while drifting and while running at different speeds, does not always do it but when it does start it seems like it can take up to 10 minutes to clear and start reading correctly again.
You need to visit the garmin site and download a software upgrade its free and should fix any glitches you may be experiencing with your unit.
Posted on Mar 13, 2010
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Posted on Jan 02, 2017
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