Table 5.1. Audible and visual alarm types
Alarm type | Alarm reason |
Short single beep | Dive computer is activated. |
Dive computer automatically returns to the TIME mode.
Three beeps with a three second interval
Three beeps with a three second interval and activated backlight
Continuous beeps and activated backlight
Cylinder pressure reaches 50 bar/725 psi. The cylinder pressure display will start to blink.
Cylinder pressure reaches the selected alarm pressure.
Calculated remaining air time reaches zero.
Maximum allowed ascent rate, 10 m per min/33 ft per min, is exceeded. Ascent rate bar graph blinks and STOP warning appears.
Decompression ceiling depth is exceeded. An error warning Er and a downward pointing arrow appear. You should immediately descend to, or below, the ceiling. The instrument will otherwise enter a permenant Error mode within three minutes, indicated by a permanent Er.
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