Oceanic ATOM Operating Manual - page 102
102
Upon entering Decompression Mode, the Audible Alarm will
sound and the red LED Warning Light will flash for 10 seconds
(unless set OFF), or until acknowledged.
A message with the graphics DECO > STOP > xxFT will scroll at
the top of the Main screen, each On for 2 seconds and Off for 4.
• Press/release the S button to acknowledge/silence the
Audible Alarm (unless set OFF).
• The UP Arrow will flash if you are greater than 10 feet (3
meters) deeper than the Required Stop Depth.
• Once you are within 10 feet (3 meters) of, and below, the
Required Stop Depth, the UP Arrow will be removed.
Total Ascent Time
Total Ascent Time (Fig. 90a) includes Stop Times required at all
required decompression ceilings and vertical Ascent Time calcu-
lated at 60 feet (18 meters) per minute for depths deeper than 60
feet (18 meters), and 30 feet (9 meters) per minute for depths of
60 feet (18 meters) and shallower.
Managing Decompression Stops
To fulfill your decompression obligation, you should make a safe
controlled Ascent to a depth slightly deeper than (Fig. 91a), or
equal to, the Required Ceiling Stop Depth indicated (Fig. 91b)
and decompress for the Stop Time indicated (Fig. 91c).
Fig. 90 - Entry into Deco
Fig. 91 - Managing a Stop
b
c
a
a