Spc373 User Manual | Sharp Atomic Clock

The Sharp SPC373 offers a high-visibility LCD screen that packs several key data points into one interface. Understanding the display icons will help you navigate your clock easily. Key Features

This means the clock is actively searching for the signal. This is normal during setup or at midnight when the clock runs its daily calibration.

The WWVB radio signal is weak during the daytime and can be blocked by structural elements.

The Sharp SPC373 is a radio-controlled (atomic) mantel clock that automatically synchronizes time using the standard WWVB/NIST signal (North America) or similar longwave time signals where supported. This guide summarizes setup, daily use, features, maintenance, and troubleshooting so you can quickly get accurate timekeeping. sharp atomic clock spc373 user manual

: If the signal won't reach you, you can manually set the time by holding the M.SET or SET button until the hands start moving, then releasing it once you reach the correct time.

Press the button (often labeled with specific zones like PST, MST, CST, EST).

The icon stopped flickering. The clock displayed —the signal was dead. The Sharp SPC373 offers a high-visibility LCD screen

This guide combines official instructions and expert troubleshooting tips to serve as your definitive manual for the Sharp SPC373.

Place the clock on a window sill facing Colorado overnight. Keep it away from interference sources like computers, televisions, microwave ovens, or wireless routers. Press the WAVE button to trigger a manual search at night, when the atmosphere allows the radio signal to travel farther. Faded Display or Weak Backlight

The Sharp SPC373 Atomic Desktop Clock is a popular, reliable timepiece designed to keep perfect time by syncing automatically with the National Institute of Standards and Technology (NIST) radio signal in Fort Collins, Colorado. This is normal during setup or at midnight

He replaced the AA batteries. Suddenly, the second hand (a phantom on the digital readout) began to tick.

Press again to advance to the Year setting. Use UP/DOWN to adjust.

Here are some of the most common problems and their fixes.