6.2 Barometer Mode
Changing the Temperature unit from C to F or vice versa, press B2 to go to the
second view first. Once in the second view press and hold B3 until the new unit
stops blinking.
Press &
hold B3
Press &
hold B3
for 2 sec
Press &
hold B3
Press &
hold B3
for 2 sec
Release B3
Release B3