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La Crosse Technology WS-1510-IT Instruction Manual Page 5

La crosse technology professional weather center instruction manual.
Hide thumbs
to set the low outdoor temp alarm value. (Keep holding the key
will allow the value to increase faster.)
6.
Press the ALARM key to confirm the setting. The digit will stop
The Weather Center can be set to alert when a specific weather
flashing. Press the SET key to switch on or off the alarm. (The
condition is reached.
showing of the icon ((( ))) means that the alarm is switched on.)
7.
Press the HISTORY key or wait for about 30 seconds and the
The following Weather Alarm settings can be adjusted in the
display will return to normal display mode automatically.
ALARM setting mode.
High outdoor temperature alarm
In case the temperature value meets the condition for high alarm or low
Low outdoor temperature alarm
alarm, the value will be blinking, along with the corresponding icon ("HI
High outdoor humidity alarm
AL"/ "LO AL").
Low outdoor humidity alarm
And the buzzer will ring for 2 minutes. User then may press any key to
High wind speed alarm
stop the ring.
User may quit the alarm setting and return to the normal display mode
Default alarm values:
by pressing the HISTORY key.
Low
32°F
Temperature
HIGH AND LOW OUTDOOR HUMIDITY ALARM SETTING
High
104°F
Relative
Low
45%
Note:
Humidity
High
70%
The High and Low outdoor humidity alarm can be set On/Off
Wind speed
High
62.0mph
independently according to your needs.
HIGH AND LOW OUTDOOR TEMPERATURE ALARM
Set the Outdoor temperature alarm value (High or Low alarm
SETTING
value):
Note:
1.
In the normal display mode, press the ALARM key 4 times. The
The High and Low outdoor temperature alarm can be set On/Off
High Outdoor Humidity alarm display will be shown.
independently, according to your needs.
Set the Outdoor temperature alarm value (High or Low alarm
value) :
1.
In the normal display mode, press the ALARM key twice. The
High Outdoor Temperature alarm display will be shown.
2.
Press and hold the SET key for about 2 seconds. The humidity
digit will start flashing. Press the + or MIN/MAX key to set the high
High alarm icon
outdoor humidity alarm value.
3.
Press the ALARM key to confirm the setting. The digit will stop
Alarm-On icon
flashing. Press the SET key to switch on or off the alarm. (The
showing of the icon ((( ))) means that the alarm is switched on.)
2.
Press and hold the SET key for about 2 seconds. The
4.
Press the ALARM key once. The Low Outdoor humidity alarm
temperature digit will start flashing. Press the + or MIN/MAX key
display will be shown.
to set the high outdoor temp alarm value. (Keep holding the key
5.
Press and hold the SET key for about 2 seconds. The humidity
will allow the value to increase faster.)
digit will start flashing. Press the + or MIN/MAX key to set the low
3.
Press the ALARM key to confirm the setting. The digit will stop
outdoor humidity alarm value.
flashing. Press the SET key to switch on or off the alarm. (The
6.
Press the ALARM key to confirm the setting. The digit will stop
showing of the icon ((( ))) means that the alarm is switched on.)
flashing. Press the SET key to switch on or off the alarm. (The
4.
Press the ALARM key once. The Low Outdoor Temperature alarm
showing of the icon ((( ))) means that the alarm is switched on.)
display will be shown.
7.
Press the HISTORY key or wait for about 30 seconds and the
5.
Press and hold the SET key for about 2 seconds. The
display will return to normal display mode automatically.
temperature digit will start flashing. Press the + or MIN/MAX key
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In case the humidity value meets the condition for high alarm or low
indicate that the current weather condition is out of the pre-set limit(s)
alarm, the value will be blinking, along with the corresponding icon ("HI
WEATHER FORECAST AND WEATHER TENDENCY
AL"/ "LO AL"). And the buzzer will ring for 2 minutes. User may press
any key to stop the sound.
WEATHER FORECASTING ICONS:
Weather forecasting icons are displayed in any of the following
WIND SPEED ALARM SETTING
combinations at the right bottom part of LCD:
The High wind speed alarm can be set by following the steps below.
TENDENCY
TENDENCY
TENDENCY
1.
In the normal display mode, press the ALARM key six times. The
High wind-speed alarm display will be shown.
Cloudy with sunny
Sunny
Rainy
intervals
For every sudden or significant change in the air pressure, the weather
2.
Press and hold the SET key for about 2 seconds. The wind speed
icons will update accordingly to represent the change in weather.
digit will start flashing. Press the + or MIN/MAX key to set the high
(Every time a new average pressure value has been obtained (once per
wind speed alarm value.
minute), this value is compared with an internal reference value. If the
3.
Press the ALARM key to confirm the setting. The digit will stop
difference between these values is bigger than the selected weather
flashing. Press the SET key to switch on or off the alarm. (The
tendency sensitivity, the weather-icon changes, either for worse or for
showing of the icon ((( ))) means that the alarm is switched on.)
better. In this case, the current pressure value becomes the new
4.
Press the ALARM key once to return to the normal display mode.
weather tendency reference.)
In case the wind speed exceeds the condition for high wind speed
If the icons do not change, either the air pressure has not changed or
alarm, the value will be flashing, along with the corresponding high
the change has been too small for the Weather Center to register. So
alarm icon ("HI AL"). And the buzzer will ring for 2 minutes. User may
you may adjust the "sensitivity" of the pressure change checking in the
press any key to stop the sound.
setting mode –see WEATHER TENDENCY SENSITIVITY VALUE
SETTING above.
HYSTERESIS
However, if the icon displayed is a sun or raining cloud, there will be no
To compensate for fluctuation of the measured data, which may cause
change of icon if the weather gets any better (with sunny icon) or worse
the weather alarm to sound constantly if the measured reading is close
(with rainy icon) since the icons are already at their extremes.
to your set level, a hysteresis function has been implemented for each
The icons displayed forecasts the weather in terms of getting better or
weather alarm. For example, if the high temperature alarm is set to
worse and not necessarily sunny or rainy as each icon indicates. For
+77°F and the current value moves to +77°F, the alarm will be activated
example, if the current weather is cloudy and the rainy icon is displayed,
(if it has been enabled). Now when the temperature drops to +76.8°F or
it does not mean that the product is faulty because it is not raining. It
below and thereafter again increases to beyond +77°F, the data will be
simply means that the air pressure has dropped and the weather is
blinking, but no alarm will be activated. It has to drop to below +75.2°F
expected to get worse but not necessarily rainy.
(with a pre-set hysteresis of 1.8°F) so that the alarm can be produced
again. Hysteresis values for the various weather data types are given in
Note:
the following table:
After setting up, readings for weather forecasts should be disregarded
for the next 48-60 hours. This will allow sufficient time for the Weather
Weather data
Hysteresis
station to collect air pressure data at a constant altitude and therefore
Temperature
1.8°F
result in a more accurate forecast.
Humidity
3% RH
Wind speed
3.1 mph
Common to weather forecasting, absolute accuracy cannot be
guaranteed. The weather forecasting feature is estimated to have an
Note:
accuracy level of about 75% due to the varying areas the Weather
The temperature or humidity data will keep on flashing even after a key
Center has been designed for use. In areas that experience sudden
has been pressed to stop the alarm or buzzer has been switched off, to
changes in weather (for example from sunny to rain), the Weather
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