How to change the clock display to 12hr. mode or 24hr. mode (military time)?
- Press and hold (Time Set button) until "SYNC" or "MANUAL" flashes in the display.
- Press and release (+ or - button) to select manual.
- Press and release (Time Set button) time will flash in the display.
- Press and release (Alarm button) to select 12 or 24 hour display. Press Time-Set button again (or no button within 10 seconds) and the settings are automatically saved.