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General WS831DL User Manual page 5

Wireless data logging weather station

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VIEWING THE PRESSURE, TEMPERATURE AND HUMIDITY BAR CHARTS
The pressure bar graph shows barometric pressure variations over the past 24 hours. This is very
useful for understanding the Barometric trends that are used in weather forecasting. Each bar icon
represents 0.06 inHg.
Alternatively, the bar chart can be used to display 24 hour trend data for Sea Level Pressure, CH 1
Remote temperature or Ch1 Remote humidity.
Select the Pressure and Weather Forecast window, press and hold ALARM/CHART button to toggle the
bar chart title at the right bottom corner of the chart. Alternate between "PRESSURE" "CH1"
temperature (thermometer icon) and "CH1" relative humidity.
VIEWING THE MOON PHASE HISTORY
The unit indicates the current moon phase and using the MEMORY control, will permit viewing of past
of future days. Previous moon phases are selected with the minus sign selected: -1 day, -2 days, etc. or
future moon phase are selected based on the days ahead: +1 day, + 2 days, etc up to 39 days.
• After selecting the Pressure and Weather Forecast, press MEMORY, so "+ 0 days" is flashing.
• Press UP▲ or DOWN▼ selecting from today's date a future (+) or past (-) days and the
corresponding moon phase will be displayed. Press and hold either button for a quick advance.
• To exit, press MEMORY button.
THE MOON PHASE DIAGRAM
WEATHER FORECAST DISPLAYS
Display
Rain Statistic
Rain Icon
NOTE: The weather forecast accuracy is approximately 70%. Display shows 12 to 24 hour forecast, not
Sensor Battery Status
current conditions. The SUNNY icon indicates clear weather, even when displayed during the
night-time.
TEMPERATURE AND HUMIDITY WINDOW
The weather station supports Indoor temperature & humidity & up to three remote temperature and
humidity sensors (only 2 remotes are provided).
Temperature can be displayed in either Celsius (ºC) or Fahrenheit (ºF). The main unit calculates indoor
comfort level - Wet, Comfort or Dry or Dew Point based on temperature & humidity readings.
A temperature alert level is available for each channel. The main unit can be programmed to alarm if
the temperature exceeds or falls below the pre-set upper and lower limits. Thermo-Hygrometer remote
battery status is monitored on the main unit.
Display:
SELECTING TEMPERATURE AND HUMIDITY WINDOW
Press main unit UP▲ or DOWN▼ until the IN icon
VIEWING TEMPERATURE AND HUMIDITY FOR EACH CHANNEL
At any time simply press the CHANNEL button to recall a different remote thermo hygrometer channel.
CHANNEL AUTO-SCAN DISPLAY:
To enable automatic scan of the different channels, press and hold CHANNEL, until the
displayed. Channels will be alternately displayed with a 5-second delay.
NOTE: The temperature alerts have a 0.5 ºC deviation to prevent false alarms due to small temperature
fluctuations. Temperature has to fall below (or above) the programmed level(s) to activate the
alert.
Weather Forecast
Sunny
Partly Cloudy
Cloudy
Light Rain
Heavy Rain
Unstable Weather
Snow
Rain Alert
Rainfall
Rain Rate Display
on the upper right will flash.
TEMPERATURE AND DEW POINT DISPLAYS
With Temperature and Humidity icon flashing, press the SET button to alternate between "temperature
and relative humidity" or "dew point and relative humidity."
Wind Icon
TEMPERATURE IN CELSIUS OR FAHRENHEIT
Wind Chill Temperture/
With Temperature and Humidity icon flashing, press and hold the SET button to alternate between
Temp. at Wind Sensor
temperature: Celsius (ºC) or Fahrenheit (ºF).
Sensor Battery
Status
Wind Speed/Guest/
ACTIVATING/DEACTIVATING THE TEMPERATURE ALERTS
Max. Wind speed/
Max. Guest/
With Temperature and Humidity icon flashing, press the ALARM/CHART button to recall a current
Wind Alert/ Gust Alert
temperature for the corresponding channel, the upper temperature alert with
temperature alert with
(if disabled, displays OFF). Once the above alerts have been set, press UP▲ or DOWN▼ until to enable
or disable the corresponding alert.
PROGRAMMING CH1 – CH3 TEMPERATURE ALARMS
• In the Temperature and Humidity Mode, press ALARM/CHART selecting the desired alarm.
• Press and hold ALARM/CHART button until the remote temperature and
flashing.
• Adjust the temperature digits for the Temperature Alert using the UP▲ or DOWN▼. Press and hold
either button for fast digits advance.
• Press the ALARM/CHART to confirm selection and return to the temperature alert selection
screen.
DISABLING TEMPERATURE ALARM(S)
With the Temperature & Humidity icon flashing, press the ALARM/CHART button to disable the alarm(s).
VIEWING THE MAX/MIN CHANNEL TEMPERATURE AND HUMIDITY
With the Temperature & Humidity icon flashing, press the MEMORY button to recall a current
temperature and humidity, minimum temperature and humidity or maximum temperature and humidity
at the remote location.
To clear the temperature and humidity's memories, press and hold the MEMORY button.
RAIN WINDOW
The main unit records the total amount of the rainfall for the last hour, 24 hours, past day, past week
and the past month. The rainfall can be displayed in mm or inches. There is a daily rainfall alert that
can be programmed in the unit if the daily rainfall exceeds a pre-programmed limit.
SELECTING RAIN WINDOW
Press main unit UP▲ or DOWN▼ until the RAIN icon
Display:
VIEWING RAIN STATISTICS
With the rain icon flashing Press either SET or MEMORY button to recall a rain statistics for the past
hour, past
24 hours, yesterday, past week or past month.
NOTE: Last Hour rainfall value is displayed as a rate of rain in either "inch/hr" or "mm/hr".
RAINFALL MEMORY RESET
With the icon flashing, press and hold the MEMORY button to reset all rainfall statistics.
SETTING RAIN DISPLAY; INCHES OR MM
With the icon flashing, press and hold the SET button to toggle rainfall data units between mm and
inches.
ENABLING OR DISABLING DAILY RAINFALL ALERT
• With the icon flashing, press the ALARM/CHART button to display either the current rainfall
statistics or the daily rainfall alert with "ALARM HI" displayed.
• If the alert is disabled, the "OFF" will be displayed; otherwise the rainfall alert value will be
shown.
• When the rainfall alert is displayed, press the UP▲ or DOWN▼ to enable or disable it.
SETTING UP DAILY RAINFALL ALERT
• With the icon flashing, press ALARM/CHART to display the rainfall alert.
• Press and hold ALARM/CHART until the rainfall alert "ALARM HI" will flash.
• Set the desired value for the Rainfall Alert by using UP▲ or DOWN▼. Press and hold either button
for fast digits advance.
• Press ALARM/CHART to confirm selection and the unit will return to the rainfall alert display.
DISABLING THE DAILY RAINFALL ALERT
In the Daily Rainfall Alert Mode press the ALARM/CHART button to disable the alert.
icon is
WIND WINDOW
Wind direction is shown by compass points (i.e. NW) or in bearings starting from north (i.e. 22.5º). The
unit displays anemometer temperature or wind chill, average wind speed (over the past 10 minutes),
gust, and wind other information. It records the maximum wind speed and gusts collected during the
day. Wind speed and gust alerts can be programmed based on pre-configured limits. Wind speed is
displayed in km/h, mph, m/s or knots.
icon
on the display starts flashing.
Wind Direction Animate
Compass Display
Wind Direction in Compass
Points/Bearings
icon, or lower
or
icon starts

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