6.4.6 Pressure
) Viewing Absolute vs. Relative Pressure
bsolute and relative pressure, press and hold the
ton for two seconds.
Absolute pressure is the measured atmospheric pressure, and is a
function of altitude, and to a lesser extent, changes in weather
conditions.
ssure graphic is shown to the left of the
between the daily
).
3) Viewing Pressure History
Press the [PRESSURE -] button to view the 12 hour, 24 hour, 48 hour
1
To switch between a
[PRESSURE -] but
Absolute pressure is not corrected to sea-level conditions.
Relative pressure is corrected to sea-level conditions.
2) Rate of Change of Pressure Graph
The rate of change of pre
barometric pressure and signifies the difference
average pressure and the 30 day average (in hPa
19
To Next Page
Loading...