Do you have a question about the Crosley Lewis CR3038A and is the answer not in the manual?
Place unit on a flat surface and ensure it is stable and free from vibration.
Set the time by turning the Time Setting Knob counter-clockwise.
Install one AAA battery for clock backup during power failures.
Press the Snooze button when the alarm is sounding to delay it.
Check power adapter connection and outlet if the unit has no power.