Oregon Scientific WMR100NA User manual

1
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Advanced Weather Station with Wireless
Sensor Set & Mounting Package
Model: WMR100N / WMR100NA
USER MANUAL
CONTENTS
Introduction ............................................................... 1
Packaging Contents ................................................. 1
Base station ........................................................... 1
Wind Sensor / Temperature & Humidity Sensor ..... 1
Rain Gauge ............................................................ 2
Assembly Parts ...................................................... 2
Accessories - Sensors ............................................. 2
Overview .................................................................... 2
Front View .............................................................. 2
Back View .............................................................. 3
LCD Display ........................................................... 3
Wind Sensor ........................................................... 4
Rain Gauge ............................................................ 4
Outdoor Temperature / Humidity Sensor ................ 5
Getting Started .......................................................... 5
Set Up Remote Wind Sensor ................................. 5
Set Up Remote Temperature / Humidity Sensor .... 5
Remote Unit Assembly ............................................. 5
Alternative Set Up: Remote Wind Sensor on
Existing Pole .......................................................... 6
Alternative Set Up: Temperature / Humidity
Sensor Mounted Separately ................................... 7
Set Up Rain Gauge ................................................ 7
Set Up Base Station ................................................. 8
Base Station .............................................................. 8
Change Display / Setting ........................................ 8
Clock Reception ....................................................... 8
Clock / Calendar ....................................................... 9
Clock Alarm ............................................................... 9
Moon Phase .............................................................. 9
Auto Scanning Function .......................................... 9
Weather Forecast ..................................................... 9
Temperature and Humidity .................................... 10
Temperature and Humidity Trend ......................... 10
Comfort Level ....................................................... 10
Wind Direction / Speed .......................................... 10
UVI / Barometer / Rainfall ....................................... 11
UV Index .............................................................. 11
Barometer ............................................................ 12
Rainfall ................................................................. 12
Weather Alarms ...................................................... 12
Set Up Software (First time use) ........................... 12
Additional step for Windows Vista users only ...... 12
Install software ..................................................... 13
Disable Sleep Mode ................................................ 13
To disable sleep mode on computer .................... 13
(Windows XP)
To disable sleep mode on computer .................... 13
(Windows Vista)
Upload data to PC software ................................... 13
Software updates .................................................... 14
Backlight ................................................................. 14
Reset ........................................................................ 14
Specifications ......................................................... 14
Precautions ............................................................. 15
About Oregon Scientific ........................................ 15
EU Declaration of Conformity ............................... 15
FCC Statement ........................................................ 16
INTRODUCTION
Thank you for selecting the Oregon Scientific™ Weather
Station (WMR100N / WMR100NA).
The base station is compatible with other sensors. To
purchase additional sensors, please contact your local
retailer.
Sensors with this logo are compatible with this
unit.
NOTE Please keep this manual handy as you use
your new product. It contains practical step-by-step
instructions, as well as technical specifications and
warnings you should know about.
PACKAGING CONTENTS
BASE STATION
1 x Base Station
1 x USB cable
1 x 6V adapter
4 x AA UM-3 1.5V
batteries
WIND SENSOR / TEMPERATURE & HUMIDITY
SENSOR
1 x Wind
Sensor
(1 x Wind
Vane Above
and 1 x
Anemometer
Below)
1 x Aluminium
pole
2 x AA UM-3
1.5V batteries
2 x AAA UM-4
1.5V batteries

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1 x
Temperature
/ Humidity
Sensor casing
1 x Temperature
/ Humidity
Sensor
4 x Screws
(Type A)
1 x sensor
connector
RAIN GAUGE
1 x Rain
Collector
1 x Filter
4 x Screws
(Type C)
2 x AA UM-3
1.5V batteries 6 x Washers
ASSEMBLY PARTS
1x Vertical
Attachment
Bracket
1 x Cone-
Shaped End
1 x Horizontal
Attachment
Bracket
1 x Bottom
Pole 1 x Mid Pole 1x Top Pole
2 x Round
U- bolts
2 x Rectangular
Base Legs
3 x Eye pins
1 x Versatile Base (Wall or Ground Fixable)
ACCESSORIES - SENSORS
This product can work with up to 10 sensors at any one
time to capture outdoor temperature, relative humidity or
UV readings in various locations.
Optional wireless remote sensors such as those
listed below can be purchased separately. For more
information, please contact your local retailer.*
• Solar Panel STC800 connectable to Wind Sensor and
Temperature / humidity sensor
• Thermo-hygro THGR800 (3-Ch)
• Thermo-hygro THGR810 (10-Ch)
• UV UVN800
* Features and accessories will not be available in
all countries.
OVERVIEW
FRONT VIEW
1
2
3
4
5
1. MEMORY / ON / OFF: Read the max / min memory
record; Activate / deactivate alarms
2. ALARM: View and set alarms for barometer,
temperature, humidity, rainfall and wind speed
3. MODE: Switch between the different display modes
/ settings
4. Rotating dial: Rotate left or right to increase or
decrease the values of the selected reading
5. SELECT: Switch between the different areas

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BACK VIEW
1
3
2
4
5
6
7
1. AC adapter socket
2. RESET: Returns unit to default settings
3. SEARCH: Searches for sensors or for the radio-
controlled clock signal
4. UNIT: Selects unit of measurement
5. Battery compartment
6. WMR100N only – EU / UK radio signal
7. USB connector
LCD DISPLAY
1
2
3
4
5
6
7
8
1. Weather Forecast Area
2. Temperature / Heat Index / Wind Chill Area
3. Wind Speed / Wind Direction Area
4. UVI / Barometer / Rainfall Area
5. Clock / Alarm / Calendar / Moon Phase Area
6. AC adapter icon - displays when unplugged
7. Low battery icon for base station
8. Humidity / Dew Point Area
Temperature / Heat Index / Wind Chill Area
1
2
3
4
5
6
7
8
9
1. Temperature trend
2. Wind Chill level - temperature is showing
3. Heat Index level - temperature is showing
4. HI / LO temperature, HI Heat Index and LO Wind Chill
alarms are set
5. Selected area icon
6. Indoor / Outdoor channel temperature and humidity
is displayed
7. MAX / MIN temperature
8. Outdoor sensor battery is low
9. Temperature (°C / °F)
Wind Speed / Wind Direction Area
1
2
3
4
5
6
7
1. Wind speed levels: AVERAGE / MAX / GUST
2. Wind speed level indicator
3. Outdoor wind sensor battery is low
4. Wind speed level description
5. Gust wind or wind speed reading (m / s, kph, mph or
knots)
6. HI gust wind alarm is set
7. Wind direction display
UVI / Barometer / Rainfall Area
1
2
3
4
7
8
9
5
6
10
1. UVI / barometer / rainfall readings is showing
2. Outdoor UV / rain sensor battery is low
3. UV / barometer / rainfall alarm is set

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4. Rain rate is showing
5. UVI / barometric pressure (mmHg, inHg or mb / hPa)/
rainfall readings (in / hr or mm / hr)
6. UVI level indicator
7. Accumulated rainfall is showing
8. Past 24hrs rainfall is showing
9. Altitude is showing
10. UVI / barometric pressure / rainfall historical bar chart
display
Clock / Alarm / Calendar / Moon Phase Area
1
2
3
4
5
6
1. Clock radio reception
2. Alarm 1 and 2 are displayed and set
3. Timestamp is displayed
4. Offset time zone
5. Moon phase
6. Time / date / calendar
Humidity / Dew Point Area
1
2
3
4
5
6
1. Dew point level - Temperature is showing
2. HI / LO humidity and Dew Point alarms are set
3. Comfort levels
4. Humidity trend
5. MAX / MIN humidity
6. Humidity reading
WIND SENSOR
2
3
4
1
1. Wind direction
2. Wind vane casing
3. Anemometer
4. Solar power socket
RAIN GAUGE
Base and funnel:
1
2
3
1. Rain gauge
2. Battery compartment
3. RESET button
1
2
1. Funnel
2. Indicator

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OUTDOOR TEMPERATURE / HUMIDITY SENSOR
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4
1. Temperature / humidity sensor casing
2. Solar power socket
3. RESET button
4. Battery compartment
GETTING STARTED
SET UP REMOTE WIND SENSOR
The wind sensor takes wind speed and direction
readings.
The sensor is battery operated. It is capable of
transmitting data to the base station wirelessly within an
approximate operating range of 100 meters (328 feet).
IMPORTANT Ensure that the wind sensor is pointing
North to enable it to record accurate readings.
NOTE The sensor should be positioned in an open area
away from trees or other obstructions.
To insert batteries:
1
2
1. Unscrew the anemometer from the wind sensor
carefully.
2. Insert batteries matching the polarities (+ / -) and
replace the anemometer. Press RESET after each
battery change.
3
3. Slide wind vane onto the end of the plastic attachment
located on the aluminium pole.
NOTE Use alkaline batteries for longer usage and
consumer grade lithium batteries in temperatures below
freezing.
SET UP REMOTE TEMPERATURE / HUMIDITY
SENSOR
1
2
3
1. Holding sensor, twist and click to the left.
2. Pull sensor away from casing.
3. Insert batteries matching the polarities (+ / -). Press
RESET after each battery change.
4
5
4. Insert sensor into the casing, twist and click to the
right to secure.
5. Slide temperature and humidity sensor onto the
smaller end of the sensor connector.
REMOTE UNIT ASSEMBLY
1
3
4
2
1. Insert the cone-shaped end into the pole.
2. Using 2 screws, fix it firmly into place.

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3. Insert the versatile plastic base into the pole. Align the
holes of the pole with the holes of the plastic base.
4. Secure the plastic base by inserting the screw and
screwing it tightly into the holes of the plastic base
and pole.
IMPORTANT The
sensor should be
positioned in an open
area away from trees or
other obstructions.
5. Hammer pole (cone end down) into the ground at the
desired spot until versatile plastic base is level with
the ground.
TIP Place a block of wood between the pole and the
hammer to prevent damage to the pole.
6
7
8
9
6. Assemble middle pole on top of the bottom one.
7. Using two screws, fix it firmly into place.
8. Assemble top pole on top of the middle one.
9. Using two screws, fix it firmly into place.
11
10
10. Slide the vertical attachment bracket on top of the top
pole.
11. Using two screws, fix it firmly into place.
To mount the temperature / humidity sensor:
12
12. Slide outdoor sensor onto vertical attachment
bracket.
To mount the wind sensor:
13
14
13. Insert the wind vane into the attachment bracket.
14. Screw aluminium pole firmly into place.
IMPORTANT For best results, point the wind vane North.
Securing the assembled remote unit:
16
15
15. Insert the 2 rectangular base legs through the holes
of the versatile base and hammer down.
16. Using the string, tie a knot on the eye pins. Hammer
each eye pin into the ground at a 90° angle.
IMPORTANT Using
the fasteners, tighten
the string. To tighten,
pull fastener down.
To loosen, thread the
string up through the
fastener eyelets.
ALTERNATIVE SET UP: REMOTE WIND
SENSOR ON EXISTING POLE
1
2
3
1. Secure the plastic base onto existing pole with U-
bolts, washers and bolts.
2. Insert the horizontal attachment bracket into the
base.
3. Using a screw, fix firmly into place.

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16
4
5
6
4. Insert wind sensor into the top of the bracket.
5. Using screws, fix aluminium pole firmly into place.
6. Slide outdoor sensor onto bracket.
IMPORTANT For best results, point the wind vane
North.
ALTERNATIVE SET UP: TEMPERATURE /
HUMIDITY SENSOR MOUNTED SEPARATELY
1. Insert 4 type A screws into the holes of the sensor
connector. Screw firmly into place, i.e., fence.
SET UP RAIN GAUGE
The rain gauge collects rain and takes readings of rainfall
rate and the total rainfall over a period of time. The sensor
can remotely transmit data to the base station.
The base station and rain gauge should be positioned
within an effective range: about 100 meters (328 feet)
in an open area.
The rain gauge should be mounted horizontally about 1
meter (3 feet) from the ground in an open area away from
trees or other obstructions to allow rain to fall naturally
for an accurate reading.
To set up the Rain Gauge:
2
1
1. Remove screws and slide the cover off in an upwards
motion.
2. Insert the batteries (2 x UM-3 / AA), matching the
polarities (+ / -). Press RESET after each battery
change.
3
3. Remove the fibre tape.
To ensure a level plane:
Put a few drops of water on the cross at the base of the
funnel to check the horizontal level.
1
23
4
Water will pool to the center of the cross when the rain
gauge is level.
If water remains on 1-4, the gauge is not horizontal.
If necessary, adjust the level using the screw.
NOTE For best results, ensure the base is horizontal to
allow maximum drainage of any collected rain.

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SET UP BASE STATION
NOTE Install batteries in the remote sensor before the
base station matching the polarities (+ and -).
For continuous use, please install the AC adapter. The
batteries are for back-up use only.
NOTE Make sure the adapter is not obstructed and is
easily accessible to the unit.
NOTE The base station and adapter should not be
exposed to wet conditions. No objects filled with liquid,
such as vases, should be placed on the base station
and adapter.
Install the base station batteries (4 x UM-3 / AA) matching
the polarity + and -. Press RESET after each battery
change.
NOTE Do not use rechargeable batteries. It is
recommended that you use alkaline batteries with this
product for longer performance.
NOTE Batteries should not be exposed to excessive
heat such as sunshine or fire.
The battery icon indicator may appear in the
following areas:
AREA MEANING
Weather Forecast Area
Battery in the base station is
low. will show when AC
adapter is disconnected.
Temperature / Heat
Index / Wind Chill Area
The displayed channel
indicates the outdoor
sensor for which battery
is low.
Wind Speed / Wind
Direction Area
Battery in the wind
sensor is low.
UVI / Barometer /
Rainfall Area
Battery in the UV / Rain
sensor is low.
BASE STATION
CHANGE DISPLAY / SETTING
To change the display and settings, use the following
buttons on the rotating dial: SELECT, MEMORY /
ON / OFF, MODE and ALARM.
In addition, the UNIT
and SEARCH buttons
located at the bottom
of the base station
allows pre-setting of
the remote sensor
channels and the
measurement units for
display.
TIP To exit from the setting mode, push any button.
Alternatively, the base station will automatically exit after
30 seconds.
CLOCK RECEPTION
This product is designed to synchronize its calendar
clock automatically once it is brought within range of a
radio signal:
WMR100N:
• EU: DCF-77 signal: within 1500 km (932 miles) of
Frankfurt, Germany.
• UK: MSF-60 signal: within 1500 km (932 miles) of
Anthorn, England.
WMR100NA:
• WWVB-60 signal: within 3200km (2000 miles) of Fort
Collins Colorado.
WMR100N only - slide the EU / UK switch to the
appropriate setting based on your location. Press RESET
whenever you change the selected setting.
The reception icon will blink when it is searching for a
signal. If the radio signal is weak it can take up to 24
hours to get a valid signal reception.
indicates the status of the clock reception signal.
ICON MEANING
Time is synchronized. Receiving signal is
strong
Time is not synchronized. Receiving signal
is weak
To enable (and force a signal search) / disable the
clock radio reception (clock synchronization):
1. Press SELECT to navigate to the Clock / Calendar /
Alarm Area. will show next to the Area.
2. Press and hold SEARCH.
appears when it is enabled.

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NOTE For best reception, the base station should be
placed on a flat, non-metallic surface near a window in an
upper floor of your home. The antenna should be placed
away from electrical appliances and not be moved around
when searching for a signal.
CLOCK / CALENDAR
To manually set the clock:
(You only need to set the clock and calendar if you have
disabled the clock radio reception).
1. Press SELECT to navigate to the Clock Area. will
show next to the Area.
2. Press and hold MODE to change the clock setting.
The setting will blink.
3. Rotate the dial left or right to decrease or increase
the setting value.
4. Press MODE to confirm.
5. Repeat steps 1 to 5 to set the time zone offset hour
(+ / -23 hours), 12 / 24 hour format, hour, minute,
year, date / month format, month, date and weekday
language.
NOTE If you enter +1 in the time zone setting, this will
give you your regional time plus 1 hour.
If you are in the US (WMR100NA only) set the clock to:
0 for Pacific time +1 for Mountain time
+2 for Central time +3 for Eastern time.
NOTE The weekday is available in English, German,
French, Italian or Spanish.
To change the clock display:
1. Press SELECT to navigate to the Clock Area. will
show next to the Area.
2. Press MODE to toggle between:
• Clock with Seconds
• Clock with Weekday
• Calendar
CLOCK ALARM
The clock has 2 alarms that can be set to sound with
a beep.
ICON MEANING
Alarm 1 or 2 is displayed
Alarm 1 or 2 is activated
No icons No alarm is set
To set an alarm:
1. Press SELECT to navigate to the Clock Area. will
show next to the Area.
2. Press ALARM to toggle between alarm 1 and
alarm 2 display.
3. When you’ve selected the alarm you wish to change,
press and hold ALARM. The alarm setting will blink.
4. Rotate the dial left or right to change the setting.
5. Press ALARM to confirm.
To activate / deactivate an alarm:
1. Press SELECT to navigate to the Clock Area. will
show next to the Area.
2. Press ALARM to toggle between alarm 1 and
alarm 2 .
3. Press MEMORY / ON / OFF to activate or
deactivate the alarm. or appears when the
alarm is activated.
MOON PHASE
The Calendar must be set for this feature to work (see
Clock / Calendar section).
New Moon Full Moon
Waxing
Crescent
Waning
Gibbous
First quarter Third
quarter
Waxing
Gibbous
Waning
Crescent
AUTO SCANNING FUNCTION
To activate the outdoor temperature and humidity
auto-scan function:
1. Press SELECT to navigate to the Temperature or
Humidity Area. will show next to the Area.
2. Press and hold MODE to activate auto-scan. The
temperature and humidity display will scroll from
indoor to ch1 through to ch10.
3. Press MEMORY / ON / OFF or MODE or ALARM
to stop the auto-scan.
NOTE Channel 1 is used for the outdoor temperature
and humidity sensor. Additional temperature and humidity
sensors can use other channels.
WEATHER FORECAST
This product forecasts the next 12 to 24 hours of weather
within a 30-50 km (19-31 mile) radius.
Weather Forecast Area
ICON DESCRIPTION
Sunny
Partly cloudy
Cloudy
Rainy
Snowy

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TEMPERATURE AND HUMIDITY
The weather station displays indoor and outdoor
readings for:
1. Current, minimum and maximum temperatures and
relative humidity.
2. Comfort level indicator and trend line.
3. Heat index, wind chill and dew point level.
The weather station can connect up to 10 remote sensors.
NOTE Channel 1 is dedicated for outdoor temperature
and humidity.
shows which remote sensor’s data you are viewing.
appears when indoor data is displayed.
The timestamp records the date and time when storing the
temperature and humidity readings in memory.
To select the temperature measurement unit:
Press UNIT (at the bottom of the base station) to select
°C / °F.
NOTE The unit of all temperature related displays will
be changed simultaneously.
To view temperature (Current temperature, Heat Index
and Wind Chill):
1. Press SELECT to navigate to the Temperature Area.
will show next to the Area.
2. Rotate the dial left or right to select the channel.
3. Press MODE repeatedly to toggle between the
different displays.
4. Press MEMORY / ON / OFF to select MAX / MIN
display.
NOTE To view wind chill, ensure channel 1 is selected.
To view humidity (Humidity, Dew point):
1. Press SELECT to navigate to the Humidity Area.
will show next to the Area.
2. Rotate the dial left or right to select the channel.
3. Press MODE repeatedly to toggle between the
different displays.
4. Press MEMORY / ON / OFF to select MAX / MIN
display.
Data
required
Area
located
Channels
supported
Type of
memory
Current
Temperature Temperature
Indoor
and 1-10
outdoor
MAX
MIN
Heat Index MAX
Wind Chill 1 only MIN
Humidity
Humidity
Indoor
and 1-10
outdoor
MAX
MIN
Dew Point MAX
MIN
The timestamp is displayed accordingly in the Clock Area.
To clear the memories and timestamp for the
temperature, heat index, wind chill, humidity and
dew point readings:
In the Temperature or Humidity Area, press and hold
MEMORY / ON / OFF to clear the readings.
To change the high / low temperature, heat index,
wind chill, humidity and dew point alarms:
1. In the Temperature or Humidity Area, press ALARM
repeatedly to toggle between high / low alarms for
temperature, heat index, wind chill, humidity and dew
point readings.
2. Press and hold ALARM to enter the alarm setting.
3. Rotate the dial left or right to set the desired values.
4. Press ALARM to confirm the setting.
To activate / deactivate the high / low temperature,
heat index, wind chill, humidity and dew point
alarms:
1. In the Temperature or Humidity Area, press ALARM
repeatedly to select the desired alarm.
2. Press MEMORY / ON / OFF to activate or
deactivate the alarm.
NOTE The dew point advises at what temperature
condensation will form. The wind chill factor is based on
the combined effects of temperature and wind speed.
TEMPERATURE AND HUMIDITY TREND
The trend lines are shown next to the temperature and
humidity readings. The trend is shown as follows:
RISING STEADY FALLING
COMFORT LEVEL
The Comfort Zone icon indicates how comfortable the
climate is based on current temperature and humidity
measurements:
COMFORTABLE NEUTRAL UNCOMFORTABLE
WIND DIRECTION / SPEED
The base station
provides wind speed
and wind direction
information.
To read the wind
direction find the
compass point the
is pointing to.
The timestamp records the date and time when storing
the wind speed readings.

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To select the wind speed unit:
Press UNIT (at the bottom of the base station) to switch
between:
• Metres per second (m / s)
• Kilometers per hour (kph)
• Miles per hour (mph)
• Knots (knots)
The wind level is shown by a series of icons:
ICON LEVEL DESCRIPTION
N/A <2 mph (<4km/h)
Light 2-8 mph (3~13 km/h)
Moderate 9-25 mph (~14-41 km/h)
Strong 26-54 mph (~42-87 km/h)
Storm >55 mph (>88 km/h)
To display the AVERAGE and GUST wind:
1. Press SELECT to navigate to the Wind Speed and
Wind Direction Area. will show next to the Area.
2. Press MODE to toggle between AVERAGE and GUST
wind readings.
To display the maximum speed and direction for
gust wind:
In the Wind Speed and Wind Direction Area, press
MEMORY / ON / OFF to toggle between wind speed
/ MAX GUST wind readings. The timestamp is displayed
accordingly in the Clock Area.
To clear the memories and timestamp for the wind
readings:
In the Wind Speed and Wind Direction Area, press and
hold MEMORY / ON / OFF to clear the readings.
To change the high gust wind speed alarm:
1. In the Wind Speed and Wind Direction Area, press
and hold ALARM to enter the high gust wind alarm
setting.
2. Rotate the dial left or right to set the desired values.
3. Press ALARM to confirm the settings.
To activate / deactivate the high gust wind speed alarm:
1. In the Wind Speed and Wind Direction Area, press
ALARM repeatedly to select the desired alarm.
2. Press MEMORY / ON / OFF to activate or
deactivate the alarm.
UVI / BAROMETER / RAINFALL
The weather station works with one UV sensor and
one rain gauge. The station is capable of storing and
displaying the hourly history data for the last 10 hours
of UV index, and 24 hours of rainfall and barometric
pressure readings.
UVI BAROMETER RAINFALL
The bar chart display shows the current and historical
data for the UV index, barometric pressure and rainfall
readings.
To view the UV / Barometer / Rainfall readings:
1. Press SELECT to navigate to the UV / Barometer /
Rainfall Area. will show next to the Area.
2. Press MODE to toggle between UVI / Barometer /
Rainfall readings. The corresponding icon will appear:
UVI BAROMETER RAINFALL
3. Rotate the dial left or right to view the historical data
for the selected area. The corresponding historical
readings are showing.
NOTE The number shown in the HR icon indicates how
long ago each measurement was taken (e.g. 2 hours ago,
3 hours ago, etc.).
To select the measurement unit for the barometer or
rainfall readings:
In the UV / Barometer / Rainfall Area, press UNIT (at the
bottom of the base station) to switch between:
• Barometer: Millimeters of mercury (mmHg), inches
of mercury (inHg), millibars per hectopascal (mb /
hpa).
• Rainfall: Millimeters (mm), inches (in), inches per
hour (in / hr) or millimeters per hour (mm / hr).
UV INDEX
The UV index levels are as follows:
UV INDEX DANGER LEVEL ICON
0-2 Low
3-5 Moderate
6-7 High
8-10 Very high
11 and above Extremely high
To change the high UV alarm:
1. In the UV / Barometer / Rainfall Area and UVI reading
display. Press and hold ALARM to enter the high UV
alarm setting.

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2. Rotate the dial left or right to set the desired values.
3. Press ALARM to confirm the settings.
To activate / deactivate the high UV alarm:
1. In the UV / Barometer / Rainfall Area and UVI reading
display, press ALARM repeatedly to select the
desired alarm.
2. Press MEMORY / ON / OFF to activate or
deactivate the alarm.
BAROMETER
To change the barometer alarm:
1. In the UV / Barometer / Rainfall Area and Barometer
reading display, press and hold ALARM to enter the
Barometer alarm setting.
2. Rotate the dial left or right to set the desired values.
3. Press ALARM to confirm the settings.
To activate / deactivate the barometer alarm:
1. In the UV / Barometer / Rainfall Area and Barometer
reading display, press ALARM repeatedly to select
the desired alarm.
2. Press MEMORY / ON / OFF to activate or
deactivate the alarm.
To set the altitude level compensation for the
Barometer readings:
1. In the UV / Barometer / Rainfall Area and Barometer
reading display. Press and hold MODE to enter the
altitude setting.
2. Rotate the dial left or right to set the desired values.
3. Press MODE to confirm the setting.
RAINFALL
To view the current hour, accumulated or last 24
hours rainfall history:
In the UV / Barometer / Rainfall Area and Rainfall reading
display, press MEMORY / ON / OFF repeatedly to
toggle between current, past 24 hours or accumulated
rainfall. The clock line will change to display the start
time when the accumulated rainfall is displayed. The icon
appears and the start date is showing.
To toggle between rainfall & rain rate display:
In the UV / Barometer / Rainfall Area and Rainfall reading
display, press and hold MODE.
To reset the accumulated rainfall and timestamp:
In the UV / Barometer / Rainfall Area and Rainfall reading
display. Press and hold MEMORY / ON / OFF to reset
the accumulated rainfall to ‘0’ and to set the timestamp
to current date and time.
To change the HI rainfall rate alarm:
1. In the UV / Barometer / Rainfall Area and Rainfall
reading display, press and hold ALARM to enter the
Rainfall alarm setting.
2. Rotate the dial left or right to set the desired values.
3. Press ALARM to confirm the settings.
To activate / deactivate the HI rainfall rate alarm:
1. In the UV / Barometer / Rainfall Area and Rainfall
reading display, press ALARM repeatedly to select
the desired alarm.
2. Press MEMORY / ON / OFF to activate or
deactivate the alarm.
WEATHER ALARMS
Weather alarms are used to alert you of certain weather
conditions. Once activated, the alarm will go off when a
certain criterion is met.
Alarms can be set for:
• Indoor and outdoor high / low temperatures, dew point
and High / Low humidity
• High Heat Index
• High Gust Wind
• Low wind chill
• High UV
• Pressure drop
• High rain rate
See the relevant section for how to set the alarm.
To silence any alarm: Press any button or rotate the
dial.
SET UP SOFTWARE (FIRST TIME USE)
The base station is capable of connecting to a PC
computer using the USB connection. The software can
read the latest weather data collected from the base
station.
PC system requirements
The minimum system requirements for use of the
software is:
• Operating system: Microsoft Windows XP SP2 or
Vista
• Processor: Pentium 4 or above
• RAM: Min. 512MB
• Hard disk free space: Min. 512MB
• Screen Display Area:1024 x 768 pixels
(recommended)
ADDITIONAL STEP FOR WINDOWS VISTA
USERS ONLY
* For Windows XP users, please go straight to Install
Software section.
IMPORTANT You must follow the below instructions
before installing software.
Determine status of UAC (User Account Control):
1. Click on
ˇ
Start.
2. In context menu, scroll to Settings and select Control
Panel.
3. Double click the User Account (and Family
Safety).

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4. Double click on Change your Windows password.
(If you chose the Control Panel classic link from left
hand column in step 2, skip this step).
5. In Turn User Account On or Off screen, identify if
UAC option is enabled / on (ticked) or disabled / off
(un-ticked).
NOTE We highly recommend disabling this option for
seamless operation of the Weather OS software.
To Turn User Account Off:
6. Deselect the UAC option by un-ticking the box (click
once).
7. Click OK.
8. In You must restart your computer dialogue box,
click Restart now.
INSTALL SOFTWARE
1. Insert provided CD into disk drive.
2. Run CD software.
3. Setup Wizard dialogue box will appear and guide you
through the installation process.
If you have Windows Vista and User Account Control
is ON (ticked),
i. In Select Installation Folder dialogue box, next
to Folder text box (C:\Program Files\Oregon
Scientific\Weather OS), click Browse.
ii. To select a new location to save the program,
select C:\Users\admin. {Or click C: Drive,
subfolder Users, subfolder admin.}
iii. Click on (Create New Folder) icon.
iv. Type OS Weather and click OK.
v. In User Account Control dialogue box, click
Allow.
vi. Continue with installation process.
4. During installation, Microsoft Visual C++
Redistributable Setup dialogue box may appear.
Select Repair and click Next.
5. Once Setup has been successfully completed, click
Finish, then Close.
6. After successful installation, double click on
desktop shortcut.
7. Click Display in Oregon Weather Station dialogue
box.
DISABLE SLEEP MODE
To allow for continuous data updates, ensure Sleep Mode
on computer is disabled.
TO DISABLE SLEEP MODE ON COMPUTER
(WINDOWS XP)
1. Right click on Desktop.
2. In context menu, click on Properties.
3. Click on Screen Saver tab in the Display Properties
dialogue box.
4. Click on Power located at the bottom half of dialogue
box.
5. In new dialogue box Power Options Properties, click
on Power Schemes tab.
6. In Settings for Timers off (Presentation) power
scheme section, under System Standby option,
choose Never in drop-down list.
7. Click Apply and then click OK.
8. Previous window will return. Click OK to confirm and
exit.
TO DISABLE SLEEP MODE ON COMPUTER
(WINDOWS VISTA)
1. Right click on Desktop.
2. In context menu, click on Personalize.
3. Click on Screen Saver link in the Personalize
appearance and sounds dialogue box.
4. Click on Change Power Settings located at the
bottom half of window.
5. Select High Performance and click Change plan
settings link.
6. Click Change advanced power settings link.
7. Click on next to Sleep, in sub menu, click on
next to Hibernate after.
8. Click Setting link and select Never in drop-down
list.
9. Click Apply and then OK.
UPLOAD DATA TO PC SOFTWARE
NOTE The USB is only used for uploading weather data.
It cannot be used for charging battery power.
1. After successful installation, double click on
desktop shortcut.
2. Click Display in Oregon Weather Station dialogue
box.
3. You will be prompted to select model number. Please
select your model in the drop-down list and refer to
the image next to your selection to confirm it is the
correct model.
4. Plug one end of the USB cable into the base station’s
USB port and the other end into the PC’s USB port.
5. Uploading will start immediately.
NOTE This product should be supplied by an identical
USB port complying with the requirements of Limited
Power Source.
To learn more about how to utilize the functions available
on the software, please refer to PC Software Manual,

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downloadable from the software webpage.
IMPORTANT You must first successfully install software
to access the PC Software Manual.
1. In the PC software homepage, click on MENU
located at the top right hand corner of software main
webpage.
2. Select HELP from drop-down list. This will redirect
you to a new webpage. Click on PC Software
Manual.
SOFTWARE UPDATES
As we continually strive for improvement, the software
will be updated from time to time.
If there is a new version, the moment PC is connected
to the internet, a dialogue box informing of available
software will appear.
1. Click OK.
2. After a few moments, File Download - Security
Warning dialogue box will appear. Click Run.
3. In the Internet Explorer - Security Warning, click
Run.
4. Follow steps 3 - 7 from Install Software section.
BACKLIGHT
Press any button or rotate the dial to activate the
backlight.
RESET
Press RESET to return to the default settings.
SPECIFICATIONS
BASE STATION
Dimensions 143 x 89 x 165 mm
(L x W x H) (5.6 x 3.5 x 6.5 inches)
Weight 300 g (10.58 oz) without
battery
INDOOR BAROMETER
Barometer unit mb/hPa, inHg and mmHg
Measuring range 700 – 1050mb/hPa
Accuracy +/- 10 mb/hPa
Resolution 1mb (0.0 inHg)
Altitude setting Sea level
User setting for compensation
Weather display Sunny, Partly Cloudy, Cloudy,
Rainy and Snowy
Memory Historical data and bar chart
for last 24hrs
INDOOR TEMPERATURE
Temp. unit °C / °F
Displayed range 0°C to 50°C (32°F to 122°F)
Operating range -30°C to 60°C (-4°F to 140°F)
Accuracy 0°C - 40°C: +/- 1°C (+/- 2.0°F)
40°C - 50°C: +/- 2°C (+/- 4.0°F)
Comfort 20°C to 25°C (68°F to 77°F)
Memory Current, Min and Max temp.
Dew Point w/ Min and Max
Alarm Hi / Lo
INDOOR RELATIVE HUMIDITY
Displayed range 2% to 98%
Operating range 25% to 90%
Resolution 1%
Accuracy 25% - 40%: +/- 7%
40% - 80%: +/- 5%
80% - 90%: +/- 7%
Comfort 40% to 70%
Memory Current, Min and Max
Alarm Hi / Lo
RADIO-CONTROLLED / ATOMIC CLOCK
Synchronization Auto or disabled
Clock display HH:MM:SS
Hour format 12hr AM/PM or24hr
Calendar DD/MM or MM/DD
Weekday in 5 (E, G, F, I, S)
languages
Battery 4 x UM-3 (AA) 1.5V batteries
AC adapter 6V
REMOTE WIND SENSOR UNIT
Dimensions 178 x 76 x 214 mm
(L x W x H) (7 x 3 x 8.4 inches)
Weight 100 g (3.53 oz) without battery
Wind speed unit m/s, kph, mph, knots
Speed accuracy 2 m/s ~ 10 m/s (+/- 3 m/s)
10 m/s ~ 56 m/s (+/- 10%)
Direction accuracy 16 positions
Transmission of Approx. every 14 seconds
wind speed signal
Memory Max speed gust
Battery 2 x UM-3 (AA) 1.5V batteries
OUTDOOR TEMPERATURE / HUMIDITY UNIT
• RELATIVE TEMPERATURE
Dimensions 115 x 87 x 118 mm
(L x W x H) (4.5 x 3.4 x 4.6 inches)
Weight 130 g (4.59 oz) without battery
Temp. unit °C / °F
Displayed range -50°C to 70°C (-58°F to 158°F)

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Operating range -30°C to 60°C (-4°F to 140°F)
Accuracy -20°C – 0°C: +/- 2°C (+/- 4.0°F)
0°C - 40°C: +/- 1°C (+/- 2.0°F)
40°C - 50°C: +/- 2°C (+/- 4.0°F)
50°C - 60°C: +/- 3°C (+/- 6.0°F)
Comfort 20°C to 25°C (68°F to 77°F)
Memory Current, Min and Max temp.
Dew Point w/ Max and Min
Wind chill temp. and min
• RELATIVE HUMIDITY
Displayed range 2% to 98%
Operating range 25% to 90%
Resolution 1%
Accuracy 25% - 40%: +/- 7%
40% - 80%: +/- 5%
80% - 90%: +/- 7%
Comfort 40% to 70%
Memory Current, Min and Max
Battery 2 x UM-4 (AAA) 1.5V batteries
RF TRANSMISSION
RF frequency 433MHz
Range Up to 100 meters (328 feet) with
no obstructions
Transmission Approx. every 60 seconds
No. of Channel 1 for Wind/ Rain/ UV and 10 for
Temp. / Humidity
REMOTE RAIN GAUGE
Dimensions 114 x 114 x 145 mm
(L x W x H) 4.5 x 4.5 x 5.7 inches
Weight 241 g (8.50 oz lbs) without
battery
Rainfall unit Mm/hr and in/hr
Range 0 mm/hr – 9999 mm/hr
Resolution 1 mm/hr
Accuracy < 15 mm/hr: +/- 1 mm
15 mm to 9999 mm: +/- 7%
Memory Past 24hrs, hourly and
accumulated
from last memory reset
Battery 2 x UM-3 (AA) 1.5V
PRECAUTIONS
• Do not subject the unit to excessive force, shock,
dust, temperature or humidity.
• Do not cover the ventilation holes with any items such
as newspapers, curtains etc.
• Do not immerse the unit in water. If you spill liquid
over it, dry it immediately with a soft, lint-free cloth.
• Do not clean the unit with abrasive or corrosive
materials.
• Do not tamper with the unit’s internal components.
This invalidates the warranty.
• Only use fresh batteries. Do not mix new and old
batteries.
• Images shown in this manual may differ from the
actual display.
• When disposing of this product, ensure it is collected
separately for special treatment and not as household
waste.
• Placement of this product on certain types of wood
may result in damage to its finish for which Oregon
Scientific will not be responsible. Consult the furniture
manufacturer's care instructions for information.
• The contents of this manual may not be reproduced
without the permission of the manufacturer.
• Do not dispose old batteries as unsorted municipal
waste. Collection of such waste separately for special
treatment is necessary.
• Please note that some units are equipped with a
battery safety strip. Remove the strip from the battery
compartment before first use.
NOTE The technical specifications for this product and
the contents of the user manual are subject to change
without notice.
NOTE Features and accessories will not be available
in all countries. For more information, please contact
your local retailer.
ABOUT OREGON SCIENTIFIC
Visit our website (www.oregonscientific.com) to learn
more about Oregon Scientific products. If you're in
the US and would like to contact our Customer Care
department directly, please visit: www2.oregonscientific.
com/service/support.asp
For international inquiries, please visit: www2.
oregonscientific.com/about/international.asp
EU DECLARATION OF CONFORMITY
Hereby, Oregon Scientific, declares that this Advanced
Weather Station with Wireless Sensor Set & Mounting
Package (models: WMR100N / WMR100NA) is in
compliance with the essential requirements and other
relevant provisions of Directive 1999/5/EC. A copy of the
signed and dated Declaration of Conformity is available
on request via our Oregon Scientific Customer Service.
COUNTRIES RTTE APPROVAL COMPLIED
All EU countries, Switzerland
and Norway
CH
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FCC STATEMENT
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) This
device must accept any interference received, including
interference that may cause undesired operation.
WARNING Changes or modifications not expressly
approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
NOTE This equipment has been tested and found
to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against
harmful interference in a residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is
no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful
interference to radio or television reception, which can
be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a
circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio / TV
technician for help.
DECLARATION OF CONFORMITY
The following information is not to be used as contact
for support or sales. Please visit our website at www2.
oregonscientific.com/service for all enquiries.
We
Name: Oregon Scientific, Inc.
Address: 19861 SW 95th Ave.,Tualatin,
Oregon 97062 USA
Telephone No.: 1-800-853-8883
declare that the product
Product No.: WMR100N / WMR100NA
Product Name: Advanced Weather Station
with Wireless Sensor Set &
Mounting Package
Manufacturer: IDT Technology Limited
Address: Block C, 9/F, Kaiser Estate,
Phase 1, 41 Man Yue St.,
Hung Hom, Kowloon,
Hong Kong
is in conformity with Part 15 of the FCC Rules. Operation
is subject to the following two conditions: 1) This device
may not cause harmful interference. 2) This device must
accept any interference received, including interference
that may cause undesired operation.