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10. Information on DCF Reception
The DCF signal is sent by a station in Mainflingen (near Frankfurt am
Main). Its range is up to 1500 km, and under perfect reception conditions even up to 2000 km.
The DCF signal contains, among others, the precise time (deviation theoretically 1 second in one million years!) and the date.
This means you do not have to switch manually between daylight savings time and normal time; the time is adjusted automatically.
The first DCF reception attempt is always performed at initial commissioning (insertion of the alkaline batteries in the temperature/humidity sensor); see chapter 8.
The DCF receiver is integrated in the temperature/humidity sensor housing. This leads to much less interference in DCF reception than in other weather stations.
A DCF reception attempt is performed several times per day.
If you want to manually start a DCF reception attempt, you need to remove the alkaline batteries from the temperature/humidity sensor for a few seconds. Also cover the solar module. Then insert the alkaline batteries again.
Alternatively, you may briefly push the reset button recessed at the bottom of the solar module.
Search for the DCF signal and its evaluation will take at least 5 minutes.
If you still do not see the outdoor sensor data or correct time/date on the display after 10 minutes, remove the batteries from the weather station and the alkaline batteries from the outdoor sensor. Wait for at least
10 seconds and then proceed as described in chapters 8. e) and g).
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