A tap on the black MaxSpeed pin shows:
Zooming in clarifies things:
Via the Tracklist subpage, a map of only 'My second track' is opened:
At the first orange eventpin (with the popup), setting full sails and stopping engine actions were recorded. At the last orange eventpin, opposite taking in sails and half ahead engine actions were recorded. These actions are also seen in the Fancy style report body example.
This, together with the assumption switches default settings:
and the Blue sections: selection:
explains the track coloring.
Wind and current observations were done several times - look for the colored arrows. Other observations were done - shown as icons.
Sailor Logbook App manual - © Copyright 2018 CoaSoft ApS Denmark