Sharp Atomic Clock Spc373 User Manual

While Sharp provides a basic printed manual, this article serves as an . Here, you will learn everything from initial setup and button functions to advanced troubleshooting and maintenance.

| Icon / Indicator | Location | Meaning | |----------------|----------|---------| | Antenna / Tower | Near 6 o’clock | Steady = last sync within 24h; Flashing = searching; Off = no signal | | “DST” | Near 12 o’clock | Indicates Daylight Saving Time active | | “BATT” (rare) | Near 4 o’clock | Low battery – replace within 2 weeks | | Second hand sweep | Continuous motion | Normal operation; a stutter indicates low voltage or signal conflict | sharp atomic clock spc373 user manual

The is a precision timekeeping device designed to automatically synchronize with the official U.S. Atomic Clock in Fort Collins, Colorado (WWVB radio signal). Unlike standard quartz clocks that drift by seconds per month, the SPC373 maintains accuracy to within one second over millions of years. While Sharp provides a basic printed manual, this

On the first night, place the clock directly next to a west-facing window (toward Colorado) and turn off all Wi-Fi routers and phone chargers within 6 feet. By morning, the tower icon should be solid and your time will be perfect to the second. Atomic Clock in Fort Collins, Colorado (WWVB radio signal)

: Press the Time button once until the time zone flashes. Use the Up/Hour button to cycle through (P-Pacific, M-Mountain, C-Central, E-Eastern) and press Time again to confirm. Button Functions Time : Hold for 2 seconds to enter manual time setting mode.

The SPC373 features an Auto DST function. Ensure the DST switch on the back is set to "ON" if you want the clock to adjust itself twice a year. 4. Setting the Alarm