is a popular, reliable, and user-friendly digital atomic clock known for its accuracy . By automatically syncing with the U.S. Atomic Clock (WWVB signal) in Colorado, this clock ensures you never have to worry about changing the time during daylight saving transitions or maintaining accuracy.
If it fails to find a signal immediately, the clock will display a default factory time. You can either set it manually or wait for the clock to auto-sync overnight. How to Set the Clock Manually
A: No. The SPC373 only receives the 60 kHz WWVB signal from the US. It will function as a normal quartz clock but never sync. sharp atomic clock spc373 user manual
: Ensure the DST function is set to ON if you want the clock to adjust automatically twice a year. If you live in an area like Arizona that doesn't observe DST, you can toggle this to OFF .
| Parameter | Value | |-----------|-------| | Power | 2x AA alkaline (1.5V each) | | Radio frequency | 60 kHz WWVB (USA) / 77.5 kHz DCF (EU) | | Operating temp | 14°F to 122°F (-10°C to 50°C) | | Accuracy (atomic) | ±1 second per 1 million years | | Accuracy (quartz backup) | ±0.5 sec/day at 25°C | | Dial diameter | 12.6 inches (32 cm) | | Weight (without batteries) | 1.8 lbs (0.82 kg) | is a popular, reliable, and user-friendly digital atomic
Here are some of the most common problems and their fixes.
Open the battery compartment on the back and insert 2 AA alkaline batteries (not included). If it fails to find a signal immediately,
Check your AM/PM indicator on the main clock face and the alarm setting. It is common to accidentally set an alarm for 6:00 PM instead of 6:00 AM.