La Crosse Technology WS- 1910TWC-IT Instruction Manual page 18

WEATHER TENDENCY THRESHOLD VALUE SETTING
You may select a definite switching sensitivity value, .06, .09, or .12 inHg (2-4 hPa) for the
change in the display of weather icons. This represents the "sensitivity" of the weather
forecast (the smaller the value selected, the more sensitive the weather forecast). The
default value is 0.09 inHg (3 hPa).
1. The threshold value will start flashing
2. Use the + or MIN/MAX key to select the value.
3. Confirm with the SET key and enter the STORM WARNING THRESHOLD VALUE
SETTING.
STORM WARNING THRESHOLD VALUE SETTING
You may also define a switching sensitivity value for the Storm warning display at a
decrease of air pressure from .09 inHg to .27 inHg (3-9 hPa) over 6 hours (Default 0.15
inHg (5 hPa)).
1. The threshold value will start flashing.
2. Use the + or MIN/MAX key to select the value.
3. Confirm with the SET key and enter the STORM ALARM ON/ OFF SETTING.
Flashing
Flashing
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