Sharp Atomic Clock Spc373 User Manual ^new^ -

To ensure a successful connection between the main unit and the outdoor sensor, follow these steps in order: Power the Sensor

According to the Sharp SPC373 instruction manual , effective operation depends on correct initial configuration: Sharp atomic clock spc373

| Pros | Cons | |------|------| | ✅ Truly set-and-forget once synced | ❌ No manual time setting – useless if atomic signal fails | | ✅ Large, easy-to-read digits | ❌ 12-hour only – no 24-hour mode | | ✅ Auto DST adjustment | ❌ No backlight always-on option | | ✅ Affordable (~$20–$25 USD) | ❌ Flimsy plastic stand (manual advises “gentle handling”) |

: Automatically synchronizes with the NIST radio signal from Fort Collins, CO, maintaining precision within one second. Comprehensive Display

The Sharp Atomic Clock SPC373 has a single alarm function. To set the alarm: