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Alarm Mode
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4. Use the console keys to select a different weather variable.
The console’s time display shows the time of the selected variable’s
high or low.
5. Press DONE to exit the Highs and Lows mode. The console screen
switches to the Current Weather mode.
Alarm Mode
The Vantage Pro2 features more than 30 alarms that can be programmed to
sound whenever a reading exceeds a set value. With the exception of
barometric pressure and time, all alarms sound when a reading reaches the
alarm threshold. For example, if the high outside temperature alarm
threshold is set at 65º F, the alarm will sound when the temperature rises to
65.0º F.
When an alarm condition exists, the audible alarm sounds, the alarm icon
blinks repeatedly, and an alarm description appears in the ticker at the
bottom of the screen. The alarm sounds for a maximum two minutes if the
console is battery-powered, but the icon will continue to blink and the
message will stay in the ticker until you clear the alarm or the condition
clears. If you’re using the AC adapter, the alarm will continue sounding as
long as the condition exists.
The alarm will sound again for each new alarm. If more than one alarm is
active, the description for each active alarm cycles onto the screen every
four seconds. A “+” symbol appears at the end of the alarm text if more
than one alarm is tripped.
Low alarms work the same way. For example, if the wind chill threshold is
set for 30ºF, the alarm condition begins when the wind chill drops to 30º
and will continue until the wind chill rises above 30º.
Four Special Alarms
ET (Evapotranspiration)
ET is updated only once an hour, on the hour. If during a given hour the ET
Value exceeds the alarm threshold, the ET alarm sounds at the end of that
hour. This is true for daily, monthly, and yearly ET alarms. You must have
the optional Solar Radiation Sensor to use this alarm. See “Evapotranspira-
tion (ET)” on page 48 for a description of this variable.
Barometric Pressure
The Vantage Pro2 allows you to set two barometric pressure alarms: a
“rise” alarm and a “fall” alarm. You may select any rate of change per
three hours between 0.00 and 0.25 inches (6.35 mm) Hg, (8.5 mb, hPa); the
alarm will sound if the rate of change (in either direction) exceeds the
threshold you set. This alarm is updated every 15 minutes.