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Exceed Maximum Depth Warning
When the limit depth of 40 m (131 ft) for recreational diving is
surpassed during the course of diving, an exceed maximum depth error
occurs, the current depth flashes and the alarm sounds for 15 seconds.
During diving at a depth greater than 40 m (131 ft), the warning alarm
sounds for 15 seconds every minute.
This warning function is canceled when the depth returns to 40 m
(131 ft) or less.
Decompression Diving Warning
This alarm sounds for 3 seconds and the decompression stop indicator
(STOP) is displayed on the display when the no-decompression limit
time has been exceeded resulting in decompression diving during the
course of diving.
The display returns to the no-decompression diving display when
decompression stop is performed in accordance the
decompression stop instructions.
Decompression Diving Error
When decompression diving takes place beyond the no-decompression
limit time during diving in the NITROX setting, together with the alarm
sounding for 1 second and the decompression stop indicator (STOP)
being displayed on the display, the instructed depth and instructed time
flash. During a decompression diving error, the instructed depth and
instructed time continue to flash, and the alarm sounds for 15 seconds
every minute.
Ascend to a shallow depth at a safe ascent rate as soon as possible. The display returns
to the no-decompression diving display when a decompression stop is performed in
accordance with the decompression stop instructions.
Permanent Error Warning
The instructed depth flashes and an alarm sounds continuously when
either of conditions 1 or 2 below are met. If hazardous diving or
ascending is continued while ignoring this warning, a permanent error
(ERROR) occurs:
1. When not ascending to the instructed depth and continuing to dive at
an excessively low depth (diving at which the instructed
decompression stop depth exceeds 9 m (30 ft).) even though having
been instructed to make a decompression stop (Permanent Error
Warning 1).
The warning stops when the diver begins to ascend immediately and the
decompression stop instructed depth reaches 9 m (30 ft) or less.
2. When having ascended to a depth 1 m (4 ft) or more less than the instructed depth after
having been instructed to make a decompression stop (Permanent Error Warning 2).
In this case, the warning is canceled when the diver returns to the instructed depth.
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