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
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