BEARWARE 303715 Manuel page 25

10. Definition of terms
"Dew Point"
The "Dew Point" is the temperature at which dew forms at a certain humidity.
The more water vapour in the air, the higher is the dew point temperature.
Pressure threshold
The pressure threshold (the negative or positive rate of pressure change that
indicates a change in the weather) can be set from 2 mbar / hour to 4 mbar /
hour (Default = 2 mbar / hour).
The lower the setting of the pressure threshold, the higher is the sensitivity for
weather forecast changes. Places where the air pressure changes frequently
require a higher setting than places where the air pressure is typically constant.
Storm threshold
The storm threshold (the negative rate of pressure change at which a storm may
be expected) can be set from 3 mbar / hour to 9 mbar / hour (Default = 4 mbar /
hour). The lower the setting of the pressure threshold, the higher is the sensitivity
for changes in the weather forecast. Places at which the air pressure changes
frequently require a higher setting than places where the air pressure is typically
constant.
When the negative rate of pressure change is exceeded for three hours, the storm
warning display is activated and the clouds with rain symbol flash for three hours
in the display. This means that the storm warning is active.
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