Zum eTrex 20/30 gibt es das Update 3.80

Es wird weiter fleißig an der Höhenmessung gearbeitet:

Changes made from version 3.70 to 3.80:
Fixed issue with barometer when auto calibration is turned off.
Fixed missing ascent, descent, and elevation statistics when reviewing certain tracks.

Changes made from version 3.60 to 3.70:
Improved total ascent and total descent calculations
Improved average ascent, average descent, and vertical speed data fields