| Icon / Indicator | Location | Meaning | |----------------|----------|---------| | Antenna / Tower | Near 6 o’clock | Steady = last sync within 24h; Flashing = searching; Off = no signal | | “DST” | Near 12 o’clock | Indicates Daylight Saving Time active | | “BATT” (rare) | Near 4 o’clock | Low battery – replace within 2 weeks | | Second hand sweep | Continuous motion | Normal operation; a stutter indicates low voltage or signal conflict |
The Sharp Atomic Clock SPC373 has a single alarm function. To set the alarm: sharp atomic clock spc373 user manual
For best results, keep the clock away from large metal surfaces which can block radio waves. | Icon / Indicator | Location | Meaning