National Geographic 278NE Manual De Instrucciones página 3

1 Description
A. Time
B. Alarm icon
C. Date
D. Indoor temperature
E. Radio Controlled Clock icon (RCC)
F. Wave OK icon
2 Getting started
1. Open the battery compartment cover on the bottom of the unit.
2. Install 3 AA (1,5 V - LR03) batteries following the polarity indicated in the compartment.
3. Open the cover on top of the unit and press the RESET button (2) once.
Important
• Never throw batteries in fire as they may explode.
• Keep batteries away from small children.
• Remove the batteries if the device is not going to be used for a long period.
• Handle damaged or leaking batteries very carefully.
3 Radio Controlled Clock (RCC)
The RCC has the most accurate time within the continent.
This unit receives the time signal transmitted by
Physikalisch-Technische Bundesanstalt (PTB) of
Germany, which is regulated by 4 atomic clocks and in
average deviates less than 1 second in 2 million years.
PTB transmits the time signal (DCF77, 77.5kHz)
continuously from Mainflingen, 25 km southeast of
Frankfurt (am Main). It is expected that the signal can
cover a distance of 2,000 km from the transmitter.
However, some environmental effects may affect the
transmitting distance.
For more information please see www.ptb.de
1. Snooze / Light button SNOOZE/LIGHT
2. Reset button RESET
3. + button
4. Wave / Set button WAVE/SET
5. - button
6. Color select button COLOR SELECT
7. Alarm switch
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