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A
S
a
C
R
A
T
CEILING
ASC TIME
E
b
A1
MAX
DIVE
TIME
LOG
HIS
ALT
SET
PLAN
Fig 3.16 OCTOPUS II DECOMPRES-SION
DIVE, AT THE CEILING ZONE
The two arrows (a) point at each other ("hour
glass"). You are at the ceiling zone at 3.5 m
[11 ft] (c) and the ceiling is at 3 m [10 ft] (b).
A
S
C
R
A
T
CEILING
ASC TIME
E
A1
DIVE
C
TIME
LOG
HIS
ALT
SET
PLAN
Fig. 3.17 DECOMPRESSION DIVE,
ABOVE CEILING
Note the downward pointing arrow and the
blinking Er warning. You should immediately
(within 3 minutes) descend to or below the
ceiling.
34
m
c
d
The CEILING/ASC TIME symbol and upwards pointing arrow indicate that you are
below the ceiling zone (Fig. 3.14). You should start your ascent immediately.
When you reach the ceiling zone, the display will show you two arrows pointing toward
each other (the "hour glass" icon, Fig. 3.15). The two ar rows pointing toward each other
will be shown between the minimum ceiling and 1.8 m [6 ft] below the minimum ceiling.
All decompression stops must be performed at or below the ceiling depth range.
m
The depth of the ceiling will depend on your dive prof ile. It will be fairly shallow when
you enter the decompression mode, but if you remain at depth, it will move downward
and the ascent time will increase.
The ceiling depth will be shown on the left side of the center window.
When the sea surface is rough, it may be difficult to maintain a constant depth near the
surface. In this case it will be more manageable to maintain an additional distance below
to the ceiling, to make sure that the waves do not lift you above the ceiling. SUUNTO
recommends that decompression takes place deeper than 4 m [13 ft], even if the indi-
cated ceiling is shallower.
NOTE: It will take more time and more air to decompress below the ceiling than at the
ceiling.
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