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the surface. If the GF = 0.3, tissue compartments are saturated at 30% of M-value. Two GFs can be
set: gradient factor low and gradient factor high. Gradient factor low determines the extent of
oversaturation at depth. This value is relevant to the first decompression stop depth. GF high is the
value of determined oversaturation at the end of ascent.
Use
tilting or clicking (depending on the setting) to enter the values from 0.10 to 1.00 The default
setting is GF low 0.30; GF high 0.80.
NOTE: in case of cave diving where is yo-yo profile inevitable due to the cave profile is possible to set
GF’s near to 1.00 to avoid several
Safety stop
Main menu > Setup > Decompression > Safety stop
Enabled or disabled Safety stop (range 6 – 3 m/ 10 – 20 ft).
Deco stop
Main menu > Setup > Decompression > Deco stops
In this part of the menu you can choose the kind of decompression process and the depth of the last
stop.
Stops/Ceiling
Main menu > Setup > Decompression > Deco stops > Stops/Ceil.
You can choose between standard deco stops graduated after three meters and the ceiling. The
ceiling is an exact value (according to the M-value and GF) of minimal depth to which a diver can
ascend without risk of tissue oversaturation (decompression sickness). The diver must not exceed
the ceiling in any case! Using a ceiling is a way to maximally shorten the decompression procedure
due to setting the accurate depth for desaturation without rounding. The ceiling style of the
decompression procedure is suited for advanced, experienced and disciplined divers. It is especially
advantageous for ascents along some solid reference point (rope, anchor chain, slightly sloping
bottom). Standard decompression stops are much more practical when ascending without a
reference point or for less experienced divers. Deco stops are the default setting.
Change the setting with KEY 1
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