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To change the display:
1. Press and release the + key. The display should now show the seconds, indoor temperature
and outdoor temperature.
2. Press and release the + key a second time. The display will now show the indoor humidity,
seconds and outdoor temperature.
3. Press and release the + key a third time. The display will now show the indoor humidity, indoor
temperature and seconds.
4. Press and release the + key a fourth time. The display will now return to the normal display
mode, indoor humidity, indoor temperature and outdoor temperature.
WWVB RADIO CONTROLLED TIME
The NIST radio station, WWVB, is located in Ft. Collins, Colorado and transmits the exact time
signal continuously throughout the United States at 60 kHz. The signal can be received up to
2,000 miles away through the internal antenna in the atomic clock. However, due to the nature of
the Earth's Ionosphere, reception is very limited during daylight hours. The atomic clock will
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