U.S. radio controlled clocks, including wrist watches, contain a small radio receiver, which receives a signal of 60 kilohertz (kHz) or 1000 cycles per second, from the National Institute of Standards and Technology (NIST) WWVB radio station, located in Fort Collins, Colorado. Sixty kHz represents just enough signal room or bandwidth to receive a code from the radio station, then it synchronises with the code, starting with the time zone you give it. You can then set the alarm, knowing you always have the correct time.
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Enter the alarm time mode by pressing the "Mode" button on your radio controlled clock.
Hold the "Set" button down for a few seconds. The hour will begin to flash in the clock display.
Set the hour by pressing the "Adjust" button.
Set the minutes by holding the "Set" button down, while pressing the "Adjust" button.
Press the "Set" button again to leave the alarm setting mode.
Enter the alarm time mode by pressing the "Mode" button.
Turn the alarm on by pressing the "Adjust" button. The display will feature an icon that looks like a bell.
Press the "Adjust" button twice to turn on the snooze function of your clock. The display will show a "Zz" icon.
Press the "Adjust" button until you no longer see the alarm or snooze icon to turn off both.
Press any button behind your radio controlled clock, besides the Receive button, to silence the alarm. The alarm sounds for one minute every day at the time you set for the alarm.
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