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Alarm type Sound pattern Duration
High priority
2.4 s sound + 2.4 s
break
Low priority
0.8 s sound + 3.2 s
break
In addition, there are two audible guidance notifications:
Instructional
beep
Sound pattern Interpretation
Ascending Start ascending
Descending Start descending
Suunto DX displays information during the alarm breaks in order to
save battery life.
High priority alarms:
Alarm Explanation
High priority alarm
followed by 'Start
ascending' beep,
PO
2
value greater than the adjusted
value. Current depth is too deep for
the gas in use. You should immediately
ascend or change to a lower O
2
% gas.
20