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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 56 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 Nitro-
gen calculations (79% Nitrogen) unless FO2 Gas 1 is set before the dive.
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