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5
Atomic Clock (RCC)
AcuRite atomic clocks use a radio-controlled signal (RCC) to synchronize to the
correct time broadcast by the National Institute of Standards and Technology
(NIST) Radio Station WWVB, located near Fort Collins, Colorado. WWVB
broadcasts the current time and date with split-second accuracy.
The atomic clock and calendar will maintain the correct time and date, and
automatically update for Daylight Saving Time to provide the most accurate
timekeeping standard possible.
Please note: Signal reception is normally better at night and when the weather
is clear. The atomic signal generally takes a few hours to synchronize, so it is
important to manually set the time and date after powering on the clock.
Set the Time & Date
Press and hold the “SET CLOCK” button, located on the side of the clock, to
enter SET MODE. Once in SET MODE the preference you are currently setting
will blink on the clock.
To adjust the currently selected (ashing) item, press and release the “
▲
” or
“
▼
“ buttons (press and HOLD to fast adjust).
To save your adjustments, press and release the “SET CLOCK” button to adjust
the next preference. The preference set order is as follows:
TIME ZONE (PST MST CST EST)
AUTO DST ON/OFF*
CALENDAR YEAR
CALENDAR MONTH
CALENDAR DATE
CLOCK HOUR
CLOCK MINUTE
You will automatically exit SET MODE if no buttons are pressed for 45
seconds. Enter SET MODE at any time by pressing AND HOLDING the “SET
CLOCK” button.
* If you live in an area that observes Daylight Saving Time, DST should be
set to ON, even if it is not currently Daylight Saving Time.
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