He squinted at Section 4: Manual Setting (When Atomic Signal is Unavailable) .
This is an indoor-only sensor. Do not expose the clock to direct sunlight, radiators, or AC vents, as it will affect accuracy. sharp atomic clock spc373 user manual
: In analog models, randomly spinning hands usually indicate a low battery. He squinted at Section 4: Manual Setting (When
The is designed to synchronize automatically with the WWVB radio signal from Fort Collins, Colorado. or AC vents