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Oceanic OC1 Manual

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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
ALGORITHM (NDL Basis)
The OC1 is configured with 2 algorithms which allows you to choose which set of NDLs (No Deco Limits) will be used for Ni/O2
calculations and displays relating to Plan and DTR (Dive Time Remaining).
You can select DSAT or PZ+ as the NDL Basis. The selection will lock in for 24 hours after the last dive.
DSAT has been the standard used by Oceanic in all of its dive computers until this time. It features NDLs that are based on ex-
posures and test data which also formed validation for the PADI RDP. It imposes restrictions for repetitive Deco dives, considered
more risky.
PZ+ (Pelagic Z+) performance is based on Buhlmann ZHL-16c. It features NDLs that are considerably more conservative espe-
cially at shallower depths.
To create even greater margins of safety with respect to decompression, a Conservative Factor as well as No Deco Deep and
Safety Stops can be included for No Deco dives.
Refer to -
page 23, for setting Deep Stop
page 23, for setting Safety Stop
page 23, for setting NDL Basis
page 23, for setting Conservative Factor
page 63, for PZ+ and DSAT NDL charts
CONSERVATIVE FACTOR (CF)
When the CF is set On, the NDLs which are based on the algorithm selected and used for Ni/O2 calculations and displays relat-
ing to Plan and DTR, will be reduced to the values available at the altitude level that is 3,000 feet (915 meters) higher.
DEEP STOP (DS)
When the DS selection is set On, it will trigger during NORM No Deco dives when you descend to 80 FT (24 M) and calculate
(and continually update) a Stop Depth equal to 1/2 the Max Depth.
While 10 FT (3 M) deeper than the calculated DS, you will be able to access a DS Preview screen (A 2 sec) that will display the
current DS Stop Depth/Time (fixed at 2 min) for 5 seconds then return to the Main.
Upon initial ascent to within 10 FT (3 M) below the calculated Stop Depth, a DS screen displaying a Stop Depth at 1/2 the Max
Depth will appear with a Countdown Timer beginning at 2:00 (min:sec) and counting down to 0:00.
> If you descend 10 FT (3 M) below, or ascend 10 FT (3 M) above, the calculated Stop Depth for 10 seconds during the
countdown, the No Deco Main will replace the DS Main display and the DS feature will be disabled for the remainder of
that dive. There is no Penalty if the DS is ignored.
> In the event that you enter Deco, exceeds 190 FT (57 M), or a High O2 condition (=> 80%) occurs, the DS will be disabled
for the remainder of that dive.
> The DS is disabled during a High PO2 Alarm condition (=> Set Point).
SAFETY STOP (SS)
Upon ascending to 5 FT (1.5 M) below the SS Depth set on any NORM No Deco dive in which Depth exceeded 30 FT (9 M),
the Audible will sound and a SS at the Depth set will be displayed with a countdown beginning at the Safety Stop Time set and
counting down to 0:00 (min:sec). If the SS Time was set for Off, the display will not appear.
In the event that you descend below 30 FT (9 M) during the countdown, or the countdown reaches 0:00, the No Deco Main will
replace the SS Main screen which will reappear upon ascent to 5 FT (1.5 M) below the SS Depth set.
In the event that you enter Deco, complete the Deco obligation, and then descend below 30 FT (9 M); the SS Main will appear
upon ascent to 5 FT (1.5 M) below the SS Depth.
There is no Penalty if you surface prior to completing the Safety Stop or ignore it.
OVERVIEW OF FO2 SETTINGS AND 50% DEFAULT
Refer to page 20 for Set FO2.
Setting FO2 for NORM Nitrox Dives
For each numeric value of FO2 displayed on set screens, the MOD (Max Operating Depth) that can be achieved with the PO2
Alarm set will be displayed.
When the FO2 50% Default is set On and FO2 Gas 1 is set for a numerical value, 10 minutes on the surface after that dive the
FO2 Gas 1 will be displayed as 50 and further dives will be calculated based on 50% O2 for oxygen calculations and 21% O2
for Nitrogen calculations (79% Nitrogen) unless FO2 Gas 1 is set before the dive.
FO2 Gas 1 will continue to reset to the FO2 50% Default after subsequent repetitive dives until 24 hours elapse after the last
dive, or the FO2 50% Default is set Off.
When the FO2 50% Default is set Off, the OC1 will remain set at the last FO2 Gas 1 Set Point for that period of activation.
… 29 …


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Oceanic OC1 User Manual - English - 180 pages

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Oceanic OC1 User Manual - German - 68 pages

Oceanic OC1 Additional guide - French - 2 pages

Oceanic OC1 Quick start guide - French - 2 pages

Oceanic OC1 User Manual - French - 68 pages

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