SUUNTO AMBIT - Manual (Page 64)

The timer makes a short sound every second during the last 10 seconds and
sounds an alarm when zero is reached.
To set the countdown time:
1. Press [Start Stop] to enter the start menu.
2. Scroll to
TIMERS with [Light Lock] and select with [Next].
3. Scroll to Countdown with [Light Lock] and select with [Next].
4. Press [View] to adjust the countdown time.
5. Set the hours and minutes with [Start Stop] and [Light Lock]. Accept with
[Next].
6. Press [Start Stop] start the countdown.
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