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12. Indicators and meanings
a) Temperature and air humidity indicators
The current temperatures and the air humidity are shown on the LC display (10).
Temperature and air humidity trend indicators
1
The temperature and air humidity indicators are re-measured/refreshed within a few minutes. The displayed trend is
valid for a few minutes until the next refresh.
Trend arrow
Trend
Selecting the temperature unit °C/°F
2
The °C/°F slider (19) for the temperature unit of the display is located on the rear of the weather station. This allows
you to switch the temperature unit for the display between °C (degrees Celsius) and °F (degrees Fahrenheit).
b) Air pressure unit and air pressure display
Atmospheric pressure is the pressure at any point on the earth caused by the weight of the air column above it. An
atmospheric pressure refers to the average pressure and gradually decreases as the altitude increases. Meteorolo-
gists measure the air pressure with barometers. As the change in air pressure is heavily dependent on the weather, it
is possible to predict the weather by measuring the changes in pressure.
Setting the air pressure unit
1
In normal mode, press the BARO UNIT toggle button (20) to change the barometer unit in the following sequence:
hPa → inHg → mmHg
2
Toggling between absolute and relative air pressure
3
In normal mode, press the Air pressure button
ment. 'ABSOLUTE' or 'RELATIVE' is displayed.
c) Weather index display of FEELS LIKE → HEAT INDEX → WIND CHILL →
DEW POINT
• Press the Index button
LIKE', 'HEAT INDEX', 'WIND CHILL' AND 'DEW POINT'. Pressing the same button again switches back to the
main display.
64
Rising
(8) to switch between absolute and relative air pressure measure-
(7) to display the built-in weather indices outdoors in the following sequence: 'FEELS
Constant
Falling
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