Freestyle Nomad Manual page 14

Sea level pressure (trend):
A graphical presentation of sea level pressure development
during the last 23 hours in 1-hour intervals. The flashing
point on the right of the display is the point of the newest
measurement. The vertical axis represents sea level pres-
sure value and one step on the horizontal axis represents
1 hour. By monitoring these changes you can predict the
weather with reasonable accuracy.
SEA-Lv:
Sea-Lv means that you have to key in a sea level pressure.
The sea level pressure of your location can be found through
information from weather station.
If you don't know the correct sea level pressure, you can
just set the sea level pressure (1013mbar/29.913inHg) at
sea level.
dP/dt:
It displays the ascent / descent rate of the sea level air
pressure in the selected unit or sea level pressure change
per hour, it will update the value 1 time per hour.
LOGDATE:
It displays the time and date at last time Barometer Data
was cleared.
MAX:
It displays the maximum absolute air pressure during the
period measured, time and date.
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