Oceanic DATA PLUS Owner's Manual page 58

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FT
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GLO
Fig. 57 - Decompression
Mode (Alternate display)
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decompression dive time/depth limits are exceeded causing the TLBG to pass the
yellow caution (C.Z.) zone and enter the red decompression (DECO) zone.
Information provided includes current depth, current required decompression
ceiling stop depth and time (and Ceiling Stop icon), and total ascent time that
includes stop time at all ceilings and vertical ascent time calculated at 60 feet (18
meters) per minute.
Once every 15 seconds while in the Decompression Dive Mode, an alternate
display (Fig. 57) will appear on screen for 3 seconds. Information provided
includes current depth, total ascent time, maximum depth for that dive (and
Max Depth icon), and elapsed dive time (and Elapsed Dive Time icon).
The Graphic Diver Interface will continue to display the O2 bar graph (if a
nitrox dive), the VARI bar graph and the TLBG, that now acts as a Decompres-
sion 'alert', warning that you must stay below the ceiling stop depth that appears
as a digital display.
Upon entering decompression, you must immediately change the focus of your
dive to getting safely back to the surface. Upon seeing the TLBG enter the red
decompression (DECO) zone, you should immediately begin a safe controlled
ascent, 60 feet (18 meters) per minute or slower, to a depth slightly deeper than
or equal to the ceiling stop depth indicated.
You must stay at, or slightly below, the ceiling stop depth indicated
until the next shallower required ceiling stop depth appears before