La Crosse Technology WS-2306 Operation Manual page 21

Weather forecasting (LCD Section 1)
The three weather icons Sunny, Cloudy and Rainy represent the
weather forecasting. There are also two weather tendency indicators
to show the air pressure tendency either side of the weather icons.
Sunny Cloudy Rainy
Notes to hPa sensitivity setting for weather forecasting:
The hPa (Hectopascal) pressure sensitivity can be set to suit the
user's requirement for weather forecasting from 2 hPa to 4 hPa (see
Basic programming below). For areas that experience frequent
changes in air pressure (which does not necessarily reflect a change
in the weather) requires a higher hPa setting compared to an area
where the air pressure is stagnant. For example if 3 hPa is selected,
then there must be a fall or rise in air pressure of at least 3 hPa
before the weather station will register this as a change in weather.
Air Pressure (LCD Section 1)
The air pressure reading is displayed here. Press the PRESSURE
key to toggle between relative and absolute air pressure displays.
Notes to Absolute and Relative Air Pressure:
Absolute air pressure provides the display of the true measured air
pressure of the current time and location. This is not programmable
and the absolute air pressure range of the weather station is from 760
hPa to 1099 hPa (standard air pressure at an altitude of 2,300 metres
is around 760 hPa).
Relative air pressure is the one value that is calculated back to sea
level from the local absolute air pressure and can thus be taken as a
reference for weather condition and weather development for the
entire country. It can be programmed to represent your local
surroundings. Since the relative air pressure is also the one value
given by various newspapers, TV and radio broadcasting stations in
their daily weather forecasts for their respective locations, users can
set the relative air pressure of the weather station to this value to
represent readings for their area (see Basic Programming Modes
below).
Weather Data (LCD Section 2)
Indoor temperature and humidity are displayed simultaneously in this
section. Use the DISPLAY key to toggle through the displays for other
weather information:
- Outdoor temperature/humidity
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