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Fig.35A-PDPS
(nitrogencontrol)
Fig.35B-PDPS
(oxygencontrol)
PDPS (Pre Dive Planning Sequence)
The PDPS displays Depths and allowable No Deco Dive Times
(up to 999 minutes), NDLs (nitrogen based limits) if nitrogen is in
control or OTLs (oxygen based limits) if O2 is in control.
It will sequence through PDPS screens displaying Depths from 30
to 190 FT (9 to 57 M) with Plan times* based upon the previ-
ous dive profiles in a series of repetitive dives and taking into
account descent and ascent rates of 60 FPM (18 MPM).
*If less then 1 minute time is available, dashes will be displayed for time, and
Depth values will flash.
PDPS, information includes (Fig. 35A, B):
> Plan Depth value with FT (or M) icon
> Dive Time allowed with NDC (or O2) and min icons
> Max Depth allowed for the PO2 alarm value set with MAX
and FT (or M) icons, blank if FO2 is set for Air
> Gas 1 FO2 Set Point, graphic Air or numeric value (21 to
100), with FO2 icon
> NX, (PZ+), CF icons - those that apply
> Gas 1 icon, default for Plan
• A (< 2 sec) - to step forward through PDPS screens.
• A (hold) - to scroll forward through PDPS screens at a
rate of 8 per second from 30 to 190 FT (9 to 57 M) in
increments of 10 FT (3 M).