SUUNTO COBRA User Guide - Manual (Page 33)

5.4. Audible and visual alarms
The dive computer has audible and visual alarms that advise when important limits
are approached or that prompt you to acknowledge preset alarms. The table below
describes the different alarms and their meanings.
The visual information on the dive computer display is shown during the alarm breaks
in order to save battery.
Table 5.1. Audible and visual alarm types
Alarm reason Alarm type
Dive computer is activated. Short single beep
Dive computer automatically returns to the TIME mode.
Cylinder pressure reaches 50 bar/725 psi. The cylinder
pressure display will start to blink. Three double beeps
Cylinder pressure reaches 35 bar/500 psi.
Calculated remaining air time reaches zero.
No-decompression dive turns into a decompression
stop dive. An arrow pointing upwards and the blinking
ascent warning ASC TIME appears. Three single beeps with a two
second interval and activated
backlight for five (5) seconds
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