Sharp Atomic Clock Spc373 User Manual -

This indicates the clock is still searching. If it has been over 24 hours, change the location, as radio interference may be preventing a fix. 8. Product Care & Maintenance

Once the batteries are in, the LCD screen will turn on, and the clock will immediately begin searching for the .

Press the TIME ZONE button on the back of the clock repeatedly until your specific region is displayed on the screen (P, M, C, or E).

into the clock and the outdoor transmitter. Manuals often advise against rechargeable batteries for consistent signal reception. Initial Sync sharp atomic clock spc373 user manual

Upon inserting the batteries, all segments of the LCD display will light up briefly.

Once your settings are saved, the clock begins its search. The SPC373 is designed to receive the WWVB time signal broadcast from Fort Collins, Colorado.

| 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”) | This indicates the clock is still searching

Finding the original printed booklet for the SPC373 can be challenging since it is an older model. However, the complete functionality can be found in the generic Sharp Atomic Clock/Weather Station instructions available online. Many users have reported that the "Sharp Atomic Clock & Weather Station Instructions" (often located on Manualzz.com) perfectly match the button layout and functions of the SPC373.

: A tower icon or signal bars will appear on the screen once the WWVB signal is successfully captured. Automatic Updates

: Open the battery compartment on the remote sensor and insert fresh batteries. Ensure the channel is set to Power the Clock Product Care & Maintenance Once the batteries are

A: Yes. Set the clock manually, and it will not overwrite until you force a WWVB search.

is designed for ease of use, featuring a clear digital display that shows the time, date, and indoor temperature. Its primary feature is its , which receives a radio signal (WWVB) to set the time automatically [1].

Replace the batteries once every 12 to 18 months. Do not mix old and new batteries together. Avoid using rechargeable batteries, as they typically output 1.2V instead of the required 1.5V, which causes the atomic receiver to fail prematurely due to low voltage.