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Table 5.1. Audible and visual alarm types
Alarm reasonAlarm type
Dive computer is activated.Short single beep
Dive computer automatically returnsto theTIME mode.
Cylinder pressure reaches50 bar/725psi. The cylinder
pressure display will start to blink.
Three beeps with a three
second interval
Cylinder pressure reaches the selected alarm
pressure.
Calculated remaining air time reaches zero.
No-decompression dive turns into a decompression
stop dive.An arrowpointing upwards and theblinking
ascent warning ASC TIME will appear.
Three beeps with a three
second interval and activated
backlight
Maximum allowed ascent rate, 10 m per min/33 ft per
min, is exceeded. Ascent rate bar graph blinks and
STOP warning appears.
Continuous beeps and
activated backlight
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 modewithin threeminutes, indicated
by a permanent Er.
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