Oregon Scientific wmr300 [9/15] Direction calibration
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Oregon Scientific wmr300 [9/15] Direction calibration

Oregon Scientific wmr300 [9/15] Direction calibration
9
EN
NOTE
Heat index is only calculated when temperature is 80° F / 27°C or above.
To view wind chill:
• Press area repeatedly until WIND CHILL displays.
SUNRISE / SUNSET
NOTE
Make sure you input latitude and longitude of your location in area,
which affects the sunrise/sunset time.
NOTE
Excepting the latitude and longitude, daylight saving time setting also affects
sunrise and sunset (See Manually Set Clock).
You can view the sunrise or sunset time in
area.
•
Press SUNRISE/SUNSET area. displays on the top of the time display.
• Press to change the time display between 12hr/24hr format.
WIND
DIRECTION CALIBRATION
Before pairing a wind sensor, make sure the head of the wind vane of that sensor
point to the north while pressing KEY for 2 seconds in the transmitter box to calibrate
the direction. If the calibration is successful, red light flashes once. You can use a
compass to look for an accurate direction of north if necessary.
However, if you are the user in North America, there are already 15°(degree)
variations existing between the true north and a compass reading of north. You
can consult your local observatory about this issue.
If it is difficult to control the wind vane after installation, you can calibrate through
setting on main unit.
1. Make a compass approach to the wind vane.
2. Calculate the angle between the current direction
and the north direction.
3. Press
wind area to activate.
4. Press and hold
, and then
press or to calibrate
the angle value.
5. Press
again to confirm setting.
For example, inputting the angle value that you
want to set as north. If current direction is 25
degree and you want to set it as north, then you
input 25 degree in the calibration mode. Once
you return to the idol mode, the direction reading
displays 0 degree, which is the north.
NOTE
You need to calibrate the wind sensor again if you want to relocate the sensor.
WIND SPEED / DIRECTION
To select wind display mode:
Press wind area to toggle between:
• GUST (Gust)
• AVG (Average)
To select wind speed unit:
Press to switch among:
• Knots (knots)
• Kilometres per hour (km/h)
• Miles per hour (mph)
• Metres per seconds (m/s)
The wind level is shown by a series of text icons:
LIGHT MODERATE STRONG STORM
2-8 mph
(3-13 km/h)
9-25 mph
(14-41 km/h)
26-54 mph
(42-87 km/h)
>55 mph
(>88 km/h)
To read the wind direction:
Status Wind Direction Indicator Meaning
GUST
Real-time wind direction
AVG
Real-time average wind direction
AVG
(Max 6 sets)
Wind direction of last 1 hour
RESET KEY
North
NOTE
The wind chill factor is based on the combined effects of temperature and
wind speed. Displayed wind chill is calculated solely from channel 1 thermometer
and humidity sensor.
BAROMETRIC PRESSURE
The altitude reflects distance from sea level at your position.
To set the altitude level compensation for the barometric readings:
1. Press
area to activate. displays next to the area and the tool bar
displays at the below of the screen.
2. Press the area until ALT displays on the screen. You are in altitude mode.
3. Press and hold
on the tool bar.
4. Press
or to edit. You can press to change the
altitude unit between M (Meter) and FEET (Feet) while editing.
5. Press
to confirm or touch panel area (except tool bar/barometer
area) to confirm.
6. After setting altitude, the new altitude setting will not be effective immediately.
The ALT icon flashes and stops flashing until the next pressure sampling. The
new altitude setting takes effect on the new pressure sampling.
NOTE
When altitude is set to 0 meter, the pressure reading is the local pressure.
If the altitude is set to the current location, the new pressure reading is an offset
pressure to the sea level.
To select the measurement unit for the barometer:
1. Press
barometer area to toggle between altitude and current barometer.
2. Press
to select inHg (inches of mercury) / mmHg (millimetres of
mercury) / mb (millibars per hectopascal) / hPa.
To view pressure trend:
The barometric pressure trend icons are based on recent sensor readings.
The trend lines are shown next to the pressure readings. The trend is shown
as follows:
Rising Steady Falling
RAINFALL
To select rainfall display mode:
Press rain area to toggle between:
• THIS HOUR (Hourly rainfall)
• RATE (Rain rate)
• ACCUM (Accumulated rainfall)
• PAST 24 hrs (Rainfall recorded in the past 24 hours)
To select the measurement unit for the rainfall:
Press to select between mm (millimeter) and in (inch).
To select the measurement unit for the rainfall rate:
Press to select between in/hr (inch per hour) and mm/hr (millimeter
per hour).
ACCUMULATED RAINFALL
To display accumulated rainfall:
Press rain area repeatedly until ACCUM display. (SINCE displays in the
clock area that displays the start date / time of rainfall recording simultaneously).
To reset SINCE time:
Press and hold
MEM to set current time as start of accumulated rainfall records.
The rainfall record is cleared and reset to 0.
BAR CHART
The bar chart simultaneously displays the data while you press on the
corresponding area.
To select chart display mode:
Press on the below areas to toggle among these chart displays.
• IN TEMP (Indoor temperature)
• IN HUM (Indoor humidity)
• OUT TEMP (Outdoor temperature)
• OUT HUM (Outdoor humidity)
• DEWPOINT (Dew point)
• HEAT INDEX (Heat index)

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