Table 5.1. Dive computer alarms
DurationSound patternAlarm type
2.4 s sound + 2.4 s breakHigh priority
0.8 s sound + 3.2 s break
Low priority
Table 5.2.
InterpretationSound patternInstructional beep
Start ascending
Ascending
Start descendingDescending
Change gasDescending-
ascending
The visual information on the dive computer display is shown during the alarm breaks
in order to save battery.
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