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Note: It is very important that this process is done correctly. The internal and external units must
connect through the wireless communication system and the initial power up routine allows this to
happen. It is very important both units have the batteries installed within 3 minutes of each other.
You can complete the assembly of the outside sensor unit before the batteries are installed or
you can install the batteries before you assemble the sensor unit. The important issue is that the
batteries must be installed in BOTH the internal and external units almost simultaneously.
Note: If you have inserted both sets of batteries within 3 minutes of each other the 2 units will
automatically “sync up”. You know this will have happened when the outside temperature,
humidity and wind speed / direction shows on the main unit.
If this does not happen then press the ALARM button for more than 3 seconds and the units will
re-establish their wireless connection.
If this still fails to connect the units, then remove both sets of batteries and leave for 5 - 10 minutes
so both units have time to reset themselves. Then re-install both sets of batteries as stated above
and wait for the wireless connection to be made.
ALWAYS USE NEW GOOD QUALITY ALKALINE BATTERIES
Slide away the battery compartment lid and insert 2 x AA (Alkaline) Batteries in the correct
orientation.
Remember - After replacing batteries in either of the units to press the ALARM button for more
than 3 seconds to allow the synchronisation process to occur.
Open the battery cover located at the back of the unit and insert 2 x AA (Alkaline) Batteries in the
correct orientation.
2) External Sensor Unit (Thermo Hygro Sensor)
Installing the Batteries
1) Internal Main Display Unit
Powering Up the Weather Station
WS5029 Manual 2020 v4.indd 6
3/9/20 10:17 am
