Summary of Warnings and Alarms
FO
2
Warning
If you enter the water when the computer has defaulted to a 99% FO
2
, the computer
will sound an audible alarm. Immediately surface and set the FO
2
to the proper
Oxygen percentage.
Fast Ascent Warning
The Quantum uses a variable ascent rate. The fastest allowable rate of ascent is
dependent upon the depth. The table below shows the three depth ranges and the
fastest ascent allowed in each range:
Depth Range Ascent Rate Limit
0-20 ft (0-5.9 m) 26 ft (8m) per minute
21 to 59 ft (6 to 17.9 m) 39 ft (12m) per minute
60 ft (18m) or deeper 52 ft (16m) per minute.
If you exceed the fastest allowable ascent rate, the Quan-
tum flashes the SLOW symbol, sounds an audible alarm,
and flashes the current depth. The warning will remain
in effect until you slow your ascent or go shallower than 5
feet (1.5m).
Figure 17.
Fast Ascent Warning
(grey segments ash)
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