AM Button

  If you want the alarm to sound during the morning hours,
  click on the AM radio button.

  When clock is in 24-hour mode, the AM/PM radio buttons
  are not displayed.

  Click on OK to use your settings, or click on Cancel to cancel
  your changes.

  Additional topics:

  *   Alarm Enable

  *   Repeat Daily

  *   Hour Entry Box

  *   Minute Entry Box

  *   PM Button

  *   Sound Settings

  *   Alarm Message Entry Box

  *   Changing the Clock Display

  *   Setting the Alarm