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Alarm
repeated for maximum
three minutes
PO 2 value blinks
High priority alarm
followed by 'Change gas'
beep, sounded two
times.
PO 2 value blinks
High priority alarm
followed by 'Start
descending' beep,
repeated for maximum
three minutes Er blinks
and an arrow points
downwards.
High priority alarm,
repeated three times.
SLOW blinks.
Low priority alarms:
Explanation
PO 2 value is smaller than 0.18 bar
(Mixed or CCR mode only). The depth
is too shallow and the ambient
pressure is too low for the current gas.
The oxygen content is too low; you
may lose conscious. You should
immediately switch the gas.
Decompression ceiling depth
exceeded. You should immediately
descend to, or below, the ceiling.
Maximum ascent rate of 10 m/min (33
ft/min) exceeded. Slow down your
ascent rate.
21
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