The more radio waves shown on the
display, the better is the reception.
As soon as the time signal has been received in
sufficient strength, the display also shows
the time,
the day of the week, and
the date.
The radio-controlled alarm clock automatically
switches to reception several times every
night. During this process, the displayed time
is compared with that received from the time
signal transmitter and, if necessary, corrected.
If a sufficiently strong signal has not been
received, the radio-controlled alarm clock will
cancel the receiving process after a few minutes
and the radio tower symbol goes out. The
receiving process is started again at a later point
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