Suunto S6 User Manual page 22

Acknowledging alarms
When you hear the alarm, you can acknowledge it by pressing any of the buttons.
If you do not do anything, the alarm will automatically stop after 30 seconds.
3.2.3. Time
20
Time is displayed on the second row of the Time mode's
main display. It functions like an ordinary clock and displays
the current time. If the time is displayed as a
12-hour clock, the symbol AM or PM is displayed on the
last row. (For more information about the 12/24-hour clock,
see chapter 3.2.6. Units.)
The dual time can be displayed as a shortcut on the third
row of the Time mode's main display. Dual time makes it
possible to keep track of another time, for example,
another time zone. To scroll to the dual time shortcut,
press Stop/CL in the main display.
Setting the time and the dual time
To set the time and the dual time:
1. In the Function menu, scroll to Time and press Suunto.
The menu with the Time and Dual time is displayed
2. Scroll either to Time or Dual time and press Suunto.
The hour selection is activated.
3. Change the hour with the arrow buttons and press
Suunto. The minute selection is activated.
4. Change the minutes with the arrow buttons and press
Suunto. The second selection is activated.