How do you set sharp atomic clock spc 900?

To set a Sharp Atomic Clock SPC 900, first ensure it is placed in an area with good reception for the radio signal. Press the "SET" button to enter the setting mode, then use the "UP" and "DOWN" buttons to adjust the time and date. Once the correct settings are displayed, press "SET" again to confirm. The clock will automatically synchronize with the atomic time signal once it receives it.