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TFA_No. 60.2557_Anleitung_04_23
Radio-controlled clock with indoor climate
6.2 Note on radio-controlled time
The time base for the radio-controlled time is a caesium atomic clock operated by the Physikalisch Technische
Bundesanstalt based in Braunschweig (Brunswick), Germany. It has a time deviation of less than one second
in one million years. The time is coded and transmitted from Mainflingen near Frankfurt via the frequency sig-
nal DCF-77 (77.5 kHz) and has a transmitting range of approximately 1,500 km. Your radio clock receives the
signal, converts it and always shows the exact time. The adjustment to Daylight Saving Time (summer/winter
time) is automatic. In Daylight Saving Time DST is shown on the display. The reception quality depends main-
ly on geographic location. Normally there should be no reception problems within a 1,500 km radius around
Frankfurt.
Therefore, please note the following steps:
• The recommended distance to any interfering sources like computer screens or TV sets is at least 1.5 - 2
meters.
• Within concrete walls (reinforced with steel) such as basements, the received signal is naturally weak-
ened. In extreme cases, please place the unit close to a window to improve reception.
• During night-time, the atmospheric interference is usually less severe and reception is possible in most
cases. A single daily reception is adequate to keep the accuracy deviation under 1 second.
7. Operation
• Press and hold the ▲ or ▼ button in the respective setting mode for quick setting.
• The device will automatically quit the setting mode if no button is pressed for 20 seconds.
• Important: The device cannot be operated during the DCF time-signal reception.
7.1 Manual settings
7.1.1 DCF reception
• By default, the DCF reception is activated and after successful reception of the DCF signal no manual
time setting is necessary.
• Press and hold the
button if you want to deactivate the DCF reception. RCC OFF appears and the DCF
reception symbol disappears.
• Would you like to activate the DCF reception again, press and hold the
and the DCF reception symbol flashes.
• Once the DCF time reception is deactivated (RCC OFF) the clock must be manually set.
7.1.2 Manual setting of the clock and calendar
• Press and hold the
button in normal mode to enter the setting mode.
• BEEP (ON=default) flashes on the display. Press the ▲ or ▼ button to deactivate the button tone (OFF).
Press the
button again to make the settings in the following sequence: The time zone (00 - default),
the hours, the minutes, the year, the month, the date and the language of the day of the week (DEUTSCH
- default). Press the ▲ or ▼ button to adjust it.
• Confirm the settings with the
button.
• Once the DCF time signal is successfully received and the DCF reception is activated (RCC ON), the man-
ually set time is overwritten.
7.1.2.1 Time zone setting
• You can make the time zone correction (+2/-2) in setting mode.
• The time zone correction is needed for countries where the DCF signal can be received but the time zone
is different from the DCF time (e.g. +1=one hour plus).
7.1.2.2 Day-of-the week language
• In the setting mode you can choose the day-of-the-week language. In the display appears:
German – DEUTSCH, French – FRANCAIS, Italian – ITALIANO, Spanish – ESPANOL, Dutch – NEDER-
LANDS, Danish – DANSK and English – ENGLISH.
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14:22 Uhr
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button again. RCC ON appears
Radio-controlled clock with indoor climate
7.1.3 12 or 24 hour system
• Press the ▼ button in normal mode to choose 12 HR or 24 HR system. In the 12 HR system AM or PM
(after 12 o'clock) appears on the display.
7.2 Alarm clock function
7.2.1 Alarm time setting
• Press and hold the
button in normal mode to enter the alarm setting mode.
• AL 1 HOUR appears on the display and the hour digit will be flashing.
• Press the ▲ or ▼ button to adjust the hours.
• Confirm the setting with the
button.
• AL 1 MINUTE appears on the display and the minutes digit will be flashing.
• Press the ▲ or ▼ button to set the minutes.
• Confirm the setting with the
button.
• AL1 REPEAT appears on the display and M-F will be flashing.
• Press the ▲ or ▼ button to choose between the three set alarms below:
Monday until Friday (M-F appear on the display)
Saturday and Sunday (S-S appear on the display)
Monday until Sunday (M-S appear on the display)
• Confirm the setting with the
button.
• AL1 SNOOZE appears on the display and 5 min. (default) or the last adjusted snooze interval will be
flashing.
• Press the ▲ or ▼ button to adjust the snooze interval (5-60 minutes) or turn off the function (OFF).
• Confirm the setting with the
button.
• AL 2 OFF and 8:00 (default) or the last adjusted alarm time appear on the display.
• If necessary adjust the second alarm time in the same way.
7.2.2 Activate and deactivate the alarm
• Choose with the
button ALARM 1 or 2 in normal mode.
• OFF and the last adjusted alarm time appear on the display.
• Press the ▲ button to activate (ON) or deactivate (OFF) the alarm function.
• The alarm symbol
and/or
and the set alarm frequency will appear on the display, if the alarm is
activated.
• When the adjusted alarm time is reached, the alarm rings. The backlight turns on for a short period.
• Press any button or press and hold the
• If the snooze function is deactivated in the alarm setting mode, press the
stop the alarm.
• If the alarm is not stopped manually, the ascending alarm tone automatically turns off after two minutes
and it will be reactivated at the same set time on the following day.
7.2.3 Snooze function
• Note: If the snooze function is switched off in the alarm setting mode (OFF), the function cannot be acti-
vated.
• When the alarm rings, press the
sensor button and the snooze function is activated.
• The snooze symbol
flashes on the display.
• The alarm will be interrupted for the set time.
• Press any button or press and hold the
stop.
7.3 Temperature unit setting
• Press the °C/°F button in the normal mode to change between °C (Celsius) or °F (Fahrenheit) as temper-
ature unit.
sensor button for 2 seconds and the alarm will stop.
sensor button briefly to
sensor button for 2 seconds and the snooze function will
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