TFA 60.2523 Mode D'emploi page 12

TFA_No. 60.2523_Anleitung
Radio-controlled alarm clock
Radio-controlled time reception
The time base for the radio-controlled time is a caesium atomic
clock operated by the Physikalisch Technische Bundesanstalt
Braunschweig. It has a time deviation of less than one second in
one million years. The time is coded and transmitted from Main-
flingen near Frankfurt via frequency signal DCF-77 (77.5 kHz) and
has a transmitting range of approximately 1,500 km. Your radio-
controlled clock receives this signal and converts it to show the
precise time. Your radio-controlled clock receives this signal and
converts it to show the precise time. Changeover from summer
time or winter time is automatic. In Daylight Saving Time "S" is
shown on the LCD. The quality of the reception depends mainly
on the geographic location. Normally there should be no recep-
tion problems within a 1,500 km radius around Frankfurt.
Please take note of the following:
• The recommended distance to any interfering sources like
computer monitors or TV sets is at least 1.5 - 2 metres.
• Inside ferro-concrete rooms (basements, superstructures), the
received signal is naturally weakened. In extreme cases, please
place the unit close to a window to improve the reception.
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Radio-controlled alarm clock
• During night-time, the atmospheric interference is usually less
severe and reception is possible in most cases. A single daily re-
ception is adequate to keep the accuracy deviation under 1 second.
• After the reception of the radio-controlled time you can set
the alarm time (see: Setting of the alarm time).
7. How to operate
7.1 Manual setting of the clock and calendar
• Slide the lateral switch to the position "Date set".
• The year-, month- and day display will be flashing on the display.
• Press and hold the ▲ or ▼ button.
• First the display runs through the days (forward or reverse), at the
end of two months, the display switches to fast mode and runs
through the months. The year is set automatically.
• Slide the lateral switch to the position "Time set".
• The hour, the minute and the second display will be flashing
on the display.
• Press and hold the ▲ or ▼ button.
• First the display runs through the minutes (forward or reverse),
at the end of two minutes, the display switches to fast speed
and runs through the hours. The seconds are automatically set
to zero.
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