Sharp Atomic Clock Spc373 User Manual -

A: The sensor takes time to stabilize after battery change (24 hours). Also, ensure the clock is not near a humidifier or bathroom.

Congratulations on your purchase of the Sharp Atomic Clock Model SPC373. This device is more than a standard timepiece; it is a precision instrument designed to automatically synchronize with the official U.S. atomic clock in Fort Collins, Colorado. This ensures you are never off by more than a fraction of a second. sharp atomic clock spc373 user manual

A: The WWVB signal is only for North America (USA and parts of Canada). Outside this range, use manual mode. A: The sensor takes time to stabilize after