User manual

Before leaving on a dive trip, it is highly recommended that you
switch to dive mode to make sure everything is functioning
properly.
After the automatic checks, Suunto D4f enters surface mode. At this
point, you should perform your manual checks before entering the
water.
Ensure that:
1. Suunto D4f is in the correct mode and provides complete
displays.
2. Unit system is correct.
3. Correct temperature and depth are shown.
4. The alarm beeps.
3.2 Alarms, warnings and notifications
Suunto D4f has audible and visual alarms designed to let you know
when important limits or presets are being reached.
The one audible alarm type indicating low priority:
Alarm type Sound pattern Duration
Low priority
0.8 s sound + 3.2 s
break
In addition, there are two audible guidance notifications:
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