6. HUMIDITY AND AIR PRESSURE INFORMATION
6.1 Relative Humidity Trend Display
After you insert the batteries, the weather station measures the current relative humidity.
The trend display shows a neutral relative humidity course (horizontal arrow). The further
course of the trend display is determined as follows:
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If, after an hour, the relative humidity is more than 5% higher than the value measured
first, then a positive course is displayed (arrow pointing upwards).
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If, after an hour, the relaive humidity is more than 5% lower than the value measured
first, then a negative course is displayed (arrow pointing downwards).
If the relative humidty does not change within an hour, the the upward or downward
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pointing arrow becomes a horizontal arrow. The measured relative humidity is then
taken as the neutral value from which further prognoses are made.
6.2 Maximum/Minimum Relative Humidity
To toggle indoor/outdoor maximum, minimum humidity data press the 'MEM' button:
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Once to show the maximum humidity data values.
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Twice to show the minimum humidity data values.
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Three times to return to the current humidity data levels.
To reset the maximum and minimum humidity data, press and hold down the 'MEM'
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button for about 2 seconds. This will reset all minimum and maximum data recorded to
the current displayed values.
6.3 Air Pressure Display
The course of the air pressure is displayed on the display in the form of a histogram. You
have the options of displaying the air pressure in mb/hPa or in Hg. To switch between these
displays, briefly press the 'MPA/INHG' button.
6.3 Relative Air Pressure History
The relative air pressure history can be displayed numerically to view the air pressure
changes over the last 0-12 hours.
Press the 'HISTORY' button to display the recorded air pressure changes during the last
0-12 full hours. The numeric recorded air pressure will be displayed
according to the hour.
The relative air pressure is displayed either in hPa or in Hg. Briefly pressing the 'MPA/INHG'
button allows you to switch between the individual modes.
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