To begin press the Select button. The first setting will begin to blink which is the twelve and twenty four hour time format. Use the Start and Stop buttons to change a setting. The Start button scrolls forward and the Stop button scrolls back. When you are satisfied with the time format use the Select button to advance to the next feature. The hour will begin to blink. Use the Start and Stop buttons to scroll up and down to set the desired hour. Push the Select button again to advance to the next feature. Repeat this process to set the minutes, seconds, date, month, year, and day of the week. To continue push the select button again to set the alarm function which includes the hour, minute, and alarm on off. Pushing the select button one more time returns to the date-time mode.
In summary, to set the time, date, and alarm, use the Select button to begin the process and to advance to the next feature. Use the Start and Stop buttons to change a feature. The Mode button can be used to exit the process.