The Barometric Pressure Field - Auriol IAN 91679 Operation And Safety Notes

The barometric pressure field

Barometric pressure display:
(inch of mercury). Please refer to section Basic settings.
The bar graph shows a graphic of the barometric pressure 0, 1, 2, 3, 6
and 12 hours ago.
The barometric pressure trend:
even without any further change.
The weather forecast:
The weather station calculates a weather forecast for about the next
12 hours based on the barometric pressure trend. Of course this forecast
can't compare to that of professional weather services supported by
satellites and high performance computers, but merely provides an ap-
proximate indication of current developments.
Available graphic forecasts are:
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At the top right is the barometric pressure
at the time shown in the HIST field (history).
If LLL (or LL.LL when setting the unit inHg),
the display range is below 850 hPa
(25.1 inHg), if HHH (or HH.HH), it is above.
By default the current barometric pressure
(HIST = 0) is shown in the unit mb (millibar)
or hPa (hectopascal). However, the display
can also be set to the uncommon unit inHg
The trend will appear as rising (or dropping), when the baro-
metric pressure changes by 2 hPa (= 0.06 inHg) or more
within an hour and will maintain the direction for one hour
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