Solid Signal > Home and Garden > Atomic Clocks > La Crosse Technology WT-3102B
The WT-3102B analog wall clock has a white dial, a a matte black plastic case, and black hands and numerals. The lens on this clock is flat. The bezel surrounding the dial is a semi-metallic silver color, which adds a nice touch of contrast. The numerals are in a slender, modern font that nicely complements the clocks contemporary styling.
- Accurate to 1 second per million years.
- Sets automatically to WWVB radio signal.
- Pushbutton selection of all four U.S. mainland time zones.
- Automatically adjusts for Daylight Savings Time.
- Manual time-set capability for use anywhere outside the WWVB signal range.
- Ivory face, narrow black surround, and big, bold numerals for a simple, classic look
- Low battery indication via 2-second steps of second hand.
- Powered by one AA (1.5V) alkaline battery, with normal life of over 1 year (battery must be obtained separately).
The LaCrosse Technology WT-3102B Analog Atomic
The La Crosse Technology Radio-Controlled Clock
maintains its incredible accuracy by automatically tuning into the WWVB radio
signal. The built-in antenna ensures reliable signal reception up to 2000 miles
(3200km) from the WWVB transmitter. As a result, the La Crosse Technology clock
will calibrate to the atomic clock not only throughout the mainland U.S. but
also in much of Canada. You need only insert the battery, press the appropriate
time zone button, and wait until the signal is received (overnight). In all
other locations worldwide, the La Crosse clock can be manually set and will
provide the high degree of accuracy of any quality quartz clock.
In a nutshell, heres how the the La Crosse clock
works: The clocks antenna is specifically tuned for optimal reception of the 60
kHz time signal. The time signal received on the antenna is demodulated by an
onboard receiver, which sends the information to the clocks CMOS microprocessor
for decoding. Once your clock has automatically set its time for the first time,
it ensures continuing accuracy by automatically tuning into the WWVB radio
signal once per day after midnight. As long as your clock is kept within
transmitter range, it will continue to display the absolutely precise time, even
automatically adjusting for summer time/winter time changeovers. Should you move
your clock out of transmitter range for an extended period of time, the clock
will continue to operate as a highly accurate quartz-controlled clock. Upon
re-entering the transmitter range, your clock will correct itself again to the
precise WWVB time signal.
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