Alarm type Alarm reason
ascending' beep,
sounded two times.
ASC TIME blinks and an
arrow points upwards.
below the decompression floor level.
You should ascend to, or above, the
floor.
Low priority alarm
followed by 'Start
descending' beep.
DEEPSTOP blinks and an
arrow points
downwards.
Mandatory deepstop violated. You
should descend to complete the
deepstop.
Low priority alarm
followed by 'Start
descending' beep,
repeated for three
minutes.
An arrow points
downwards.
Mandatory safety stop violated. You
should descend to complete the safety
stop.
Low priority alarm
followed by two short
beeps.
DEEPSTOP and timer
displayed.
Deepstop depth reached. Make the
mandatory deepstop for the duration
shown by the timer.
Low priority alarm,
repeated twice.
Tank pressure reaches the defined
alarm pressure or the fixed alarm
20