Index to be measured accurately
- Avoid placing the transmitter close to any electromagnetic radiation sources such as electricity tower or
electrical equipments as the lightning detection will be greatly affected.
- Ensure that the wind vane and the wind wheel are not blocked to guarantee accurate measurements.
- The transmitter should be mounted in an open area where sunlight can shine directly on the UV sensor of
the transmitter any time of the day and is not blocked by tree or wall.
- Do not position under trees or next to walls. The rain must be able to fall on the transmitter without
obstructions to achieve an accurate rainfall measurement.
- Ensure that rain water does not accumulate under the transmitter. It must be able to flow off freely.
Testing the effective transmission range
1) Place the transmitter to your selected outdoor location in horizontal position (see above section) and the
transmitter must be at least 1 meter above ground. (This is not the final assembly and do not permanently
mount the transmitter on a mask or roof at this stage until the effective transmission range is verified)
2) Open the battery door of the transmitter and insert 4 pieces of AA batteries according to the battery polarity
indicated. Close the battery door and tighten the screws.
3) Place the main unit to your selected indoor location. Connect power adapter to the back of the main unit or
insert 3 pieces of AA batteries in the battery compartment.
4) Press [clock/set] button once to skip the initial weather setting
5) The main display will flash indicating it is in the searching mode
(If the main display stops flashing, you may hold the [Search] button for 3 seconds on the main unit to
enforce RF searching)
6) While the main unit is in searching mode, press the [Transmit] button on the bottom of the transmitter to
transmit RF signal to the main unit
7) If they are within the effective transmission range, all the readings including outdoor temperature, humidity,
wind speed, wind direction, rainfall & UVI will display on the main unit.
8) To ensure good RF reception signal, try turning the wind wheel & change the direction of the wind vane on
the transmitter and you should notice the wind speed & direction update within 2 minutes.
If the display reading does not update every minute, the RF reception signal is still poor. Shorten the
transmitter and repeat above transmission range test until you have the display reading updated every 1
minute to ensure good RF reception signal.
9) After testing the effective transmission range, remove all batteries from the transmitter. Remove all batteries
and disconnect the power adapter from the main unit.
Installation and Calibration
1) After verifying the effective transmission range, mount the transmitter on your selected location.
A mast is required with a diameter of approx. 25-3mm (not included) which stands stable and vertical.
Mount the transmitter as shown below with nylon strap provided and it should be at least 1 meter above ground.
After assembly, ensure that the transmitter must be positioned horizontally to guarantee accurate measurements
for wind speed wind direction, rainfall & UV Index measurements.
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