Sharp Atomic Clock Spc373 User Manual |link| Jun 2026

The Sharp SPC373 features a daily alarm with a snooze function. Setting the Alarm Time

is a reliable, high-visibility analog wall clock designed to offer unrivaled precision by automatically syncing with the WWVB radio signal transmitted by the NIST in Fort Collins, Colorado. This guide provides comprehensive instructions for setting up, troubleshooting, and understanding the user manual features of your Sharp SPC373

To ensure your Sharp SPC373 lasts for years, follow these simple maintenance rules:

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. sharp atomic clock spc373 user manual

This is the most common complaint regarding the SPC373. The remote sensor has lost connection with the clock.

You can view the complete button functions and warranty details there if you require the exact verbiage from the manufacturer.

Use UP or DOWN to change the hour. Note: Ensure the PM indicator is correct if using 12-hour format. Press SET . The Sharp SPC373 features a daily alarm with

If your copy of the printed manual is lost or damaged, feel free to bookmark this guide or print it for future reference.

: Move the clock away from electronics like TVs or routers, which can cause interference. Incorrect Hour : Ensure you have selected the correct and that the (Daylight Saving Time) switch is set to "On".

The Sharp SPC373 includes a green or blue LED backlight for nighttime viewing. By automatically syncing with the U

Press again to adjust the Month. Use UP/DOWN to adjust. Press TIME again to adjust the Date. Use UP/DOWN to adjust.

Press to confirm. The alarm minute digits will flash. Press UP or DOWN to adjust the minutes. Press ALARM SET to save and exit. Activating and Deactivating the Alarm

Backlight is (approx. 5 seconds) when pressing the SNOOZE/LIGHT button – no continuous backlight option. The manual notes this preserves battery life.