![]() ![]() If multiple buttons are pressed the clock will set to the time zone selected last. The time zone buttons may be pressed any time after installing the batteries. Select your time zone by pressing one of the four time zone buttons PT-Pacific Time, MT-Mountain Time, CT-Central Time, ET-Eastern Time. Due to the nature of long wave radio signals it is normally not possible to receive a signal during the day so it is best to install the battery late in the evening. To set up your clock simply install one fresh AA, LR6 ALKALINE battery. ![]() The changeover from standard time to daylight savings time, and vice versa, takes place automatically with the same precision. Through the radio signals, our radio controlled clocks always keep precise time. The built in antenna system will receive the WWVB signal anywhere in North America within 2000 miles of Fort Collins where long-wave radio reception is undisturbed.Ī microprocessor activates the receiver and processes the time signal from Fort Collins overnight. Radio waves at these low frequencies use the earth and the ionosphere as a wave-guide and follow the curvature of the earth for long distances. This atomic clock regulates the WWVB radio transmitter located in Fort Collins, Colorado, where the exact time signal is continuously broadcast throughout the United States at 60 kHz to take advantage of stable long wave radio paths found in that frequency range. These physicists have created an international standard, measuring a second as 9,192,631,770 vibrations of a Cesium 133 atom in a vacuum. A team of atomic physicists continually measures every second of every day to an accuracy of ten billionths of a second per day. Today, time is precisely measured in the United States by the most accurate clock in North America, the Atomic Clock of the US National Institute of Standards and Technology, Time and Frequency Division in Boulder, Colorado. Since the beginning of time, man has been fascinated with the measurement of time and has devised more accurate machines to trap and measure time. These instructions will work on all Atomic Clocks that have the four gray time zone buttons. Radio Controlled Analog Clock Instructions. The instructions are very minimal and there is no need to press the reset button clock we have (in an adjacent room) that has lasted many years, made by Staiger. I was looking for a wall mounted wall clock that had radio controlled time. The utmost care has gone into the design. Thank you for your purchase of this quality clock. And nothing keeps track of time more precisely and trouble free than our radio controlled clocks. Nothing is more precisely measured than time. For a better understanding of how and why your clock works please continue reading. THAT’S IT! During the night your clock will automatically set itself. ![]() We hope you will enjoy the convenience of never having to set your clock again and the confidence of knowing exactly what time it is. Welcome to the world of radio controlled timekeeping technology. Radio Controlled Clocks Setup Information. Radio - controlled clocks are accurate to the second as they get updated with time information Precision Radio Controlled Wall Clock with internal and external temperature display- £24.99 from Argos.
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