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• Under the best conditions, receiving a strong signal with no interference, the
clock will take at least 5 minutes to receive and decode the signal and display
the correct month, date, day, and time. If you live in an area of poor reception
and high interference it could take several hours, or even overnight, for the
clock to set itself correctly. This is completely normal and not an indication of
any problems with your unit. If you live in one of the difficult reception areas,
please read all of the instructions very carefully, and please be patient.
• The best time for reception of the WWVB signal is the period between midnight
and dawn, because interference from other sources tends to be lower during
these hours.
• Reception of the Atomic Clock time signal may also be difficult in buildings with
steel frames, such as high rise apartment or office buildings, which usually also
have windows with steel frames, and buildings with steel roofs. Large amounts
of steel may block reception of the signal.
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