5.4 BAROMETRISK TENDENS .......................................................................................... 40
KAPITEL 6 KOMPASS ................................................................... 41
6.3 KALIBRERA KOMPASSEN .......................................................................................... 43
7.1 ALLMÄNT ...................................................................................................................... 44
7.2 HJÄRTFREKVENSMÄTARE ........................................................................................ 45
7.3 TID ................................................................................................................................ 46
klockfunktionen? ........................................................................................... 45
7.4 HÖJDMÄTARE .............................................................................................................. 45
4