Table 5.1. Dive computer alarms
Alarm type
High priority
Low priority
Table 5.2.
Instructional beep
Ascending
Descending
Descending-
ascending
The visual information on the dive computer display is shown during the alarm breaks
in order to save battery.
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Sound pattern
Sound pattern
Duration
2.4 s sound + 2.4 s break
0.8 s sound + 3.2 s break
Interpretation
Start ascending
Start descending
Change gas