ADE CK 2022 Instrucciones De Operación página 46

‚ Temporary shutoffs of the transmitter
can sometimes happen, e.g. because of
maintenance work.
About the time signal transmitter
DCF77
This radio-controlled alarm clock receives its
radio signals from the time signal transmitter
DCF77. This broadcasts the precise and official
time of the Federal Republic of Germany on
the long-wave frequency of 77.5 kHz. The
transmitter is located in Mainflingen near
Frankfurt am Main and, with its range of up
to 2000 km, supplies the majority of radio-
controlled clocks in western Europe with
the necessary radio signals. Once the radio-
controlled alarm clock is powered by the battery,
it switches to receiving mode and searches for
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