Ambient Weather WH2F Посібник користувача - Сторінка 16

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4.5.5 Storm threshold indicator

The storm threshold (the negative rate of pressure change signifying a storm is expected) can be

adjusted by the user from level 3 to level 9 (the default level 4 mbar/hour).

When negative rate of change of pressure is exceeded for 3 hours, the storm warning indicator will be

activated, and the clouds with rain icon and tendency arrows will flash for 3 hours indicating the storm

warning feature has been activated.

4.5.6 Pressure threshold setting

The pressure threshold (the negative or positive rate of change of pressure signifying a change in the

weather) can be adjusted by the user from level 2 to level 4 (default level 2 mbar/hour).

The lower the level pressure threshold setting, the higher sensitivity for weather forecast changes.

Locations that experience frequent changes in air pressure require a higher setting compared to

locations where the air pressure is typically stagnant.

4.5.7 Pressure Graph

The pressure graph displays the barometric pressure for the last 24 hours. Each bar represents three

hours. The vertical scale of the graph is auto-scaled. There is not fixed pressure level for each bar, and

is intended for visualizing trends only.

4.5.8 Restoring Lost Outdoor Temperature and Humidity Sensor

If the signal is lost between the remote sensor (or transmitter) and the display console (or the receiver),

to resynchronize, while in normal mode, press and hold the + key for 10 seconds. The transmitter

search icon will appear:

Please wait several minutes for the search icon to turn off and the remote sensor reports in. Do not

touch any buttons until synchronization is complete.

If the synchronization fails, reset the console by removing one battery from the display console, wait

10 seconds, and reinsert the battery, as specified in Section 2.4 Display Console Set Up.

5 Glossary of Terms

Term

Absolute Barometric

Pressure

Version 2.1

Relative barometric pressure, corrected to sea-level. To compare

pressure conditions from one location to another, meteorologists correct

pressure to sea-level conditions. Because the air pressure decreases as

you rise in altitude, the sea-level corrected pressure (the pressure your

location would be at if located at sea-level) is generally higher than your

measured pressure.

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Definition