To set up and operate your Sharp Atomic Clock SPC373 , follow this guide based on standard procedures for Sharp's atomic clock line. This clock is designed to automatically sync with the NIST radio signal in Fort Collins, Colorado, but can also be configured manually. Initial Setup Insert Batteries
If you live outside North America or in a radio-dead zone, you can disable atomic sync and set the time manually. sharp atomic clock spc373 user manual
| Problem | Solution | |---------|----------| | No outdoor temp | Re-pair: Remove sensor batteries, press any button 20x, reinsert. | | Erratic temps (e.g., 140°F) | Sensor is in direct sun or near heat vent. Relocate. | | Sensor drains batteries monthly | Use batteries for cold climates. | | --.- with flashing tower | Interference from WiFi router or cordless phone. Move sensor 6 ft away. | To set up and operate your Sharp Atomic
If you ever experience sync issues, remember: solve 95% of problems. And when in doubt, the manual reset sequence will return your SPC373 to factory-new condition. | Problem | Solution | |---------|----------| | No
The Sharp SPC373 Atomic Clock combines radio-synchronized accuracy with simple analog readability. Its success depends entirely on receiving the WWVB signal—a factor outside Sharp’s control but manageable with proper placement. For the majority of users in the continental US, the clock will “set and forget,” updating itself for DST and maintaining perfect time within one second of UTC. When issues arise, the troubleshooting steps above resolve nearly all common failures. This device is not just a timepiece; it is a small marvel of consumer radio technology, bringing atomic precision to the kitchen or office wall.