Refer to the official Sharp SPC373 manual for model-specific diagrams, exact button names, wiring/power specs, and warranty details. If you need step-by-step illustrations (e.g., for replacing batteries or locating the radio antenna), the full printed or PDF manual is recommended.
The signal is strongest at night. Place the clock near a window facing Colorado for the best results. sharp atomic clock spc373 user manual
: Insert batteries into the main clock unit. Navigate to the back of the clock and set the outside temperature channel to Configure Time Settings Daylight Saving Time (DST) if you live in an area that observes it. Select your local (PST, MST, CST, or EST). Signal Acquisition Refer to the official Sharp SPC373 manual for
On the first night, place the clock directly next to a west-facing window (toward Colorado) and turn off all Wi-Fi routers and phone chargers within 6 feet. By morning, the tower icon should be solid and your time will be perfect to the second. Place the clock near a window facing Colorado
: It can take up to 24 hours to synchronize. For better results, place the clock near a window overnight, facing Colorado.
: Insert three fresh AAA alkaline batteries into the clock's battery compartment, ensuring they match the polarity (+/-) markings. Outdoor Sensor :
: Ensure the DST switch is set to ON if you are in an area that observes it. Setting Time and Date Manually
