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ATOM 3.0 OPERATING MANUAL
© 2002 Design, 2011 Doc. No. 12-5216-r02 (9/6/11)
SAFETY STOP MAIN (On), information includes (Fig. 98):
> Current Depth with FT (or M) icon.
> Stop Depth with FT (or M) icon, Stop icon (arrows, bar), and Stop Time (counting down) with min and sec icons.
> Tank Pressure with Link and PSI (or BAR) icons.
> Air Time Remaining with ATR and min icons.
> TLBG.
> NX, (PZ+), CF, Gas/TMT icons - if they apply.
• A (< 2 sec) - to access ALTs**.
• M (2 sec) - to access Gas/TMT Switching.
• S (< 2 sec) - to acknowledge/silence alarms.
• L (press) - to activate Backlight.
When the SS is set for Timer, the graphic rt is displayed with Run Time (Fig. 99) counting up from 0_00 to 9_59 (min_sec).
• A (< 2 sec) - to access ALTs**.
• M (2 sec) - to access Gas/TMT Switching.
• S (< 2 sec)* - to start/stop Timer, and acknowledge alarms.
• S (2 sec)*, when Timer is stopped - to reset it to 0_00.
* Timer operation is blocked when S is pressed to silence alarms.
** SS features up to 3 ALT displays which are similar to the No Deco Main, ALT1, and ALT2 displays, respectively.
DECOMPRESSION
Decompression mode activates when theoretical No Decompression time and depth limits are exceeded.
Upon entry into Deco, the audible will sound and the alarm LED will flash. The full TLBG and Up Arrow icon will flash (Fig. 100)
until the audible is silenced.
• S (< 2 sec) - to silence Audible.
> Once within 10 FT (3 M) below the required Stop Depth (stop zone), the Up Arrow will stop flashing and both Arrows with
Bar (the Stop icon) will be displayed solid.
To fulfill your decompression obligation, you should make a safe controlled ascent to a depth slightly deeper than, or equal to, the
required stop depth indicated and decompress for the stop time indicated.
The amount of decompression credit time that you receive is dependent on depth, with slightly less credit given the deeper you
are below the stop depth indicated.
You should stay slightly deeper than the required stop depth indicated until the next shallower stop depth appears. Then, you can
slowly ascend to, but not shallower than that indicated stop depth.
Deco Stop Main, information includes (Fig. 101):
> Current Depth with FT (or M) icon.
> Stop Depth with FT (or M) icon.
> Stop icon (arrows/bar).
> Stop Time with min icon, up to 99 then 2 dashes ( - - ).
> Tank Pressure with Link and PSI (or BAR) icons.
> Air Time Remaining with ATR and min icons.
> Full TLBG.
> NX, (PZ+), CF, Gas/TMT icons - if they apply.
• A (< 2 sec) - to access ALTs.
• M (2 sec) - to access Gas/TMT Switching.
• S (< 2 sec) - to acknowledge/silence alarm.
• L (press) - to activate Backlight.
Deco Stop Alt 1, information includes (Fig. 102):
> Max Depth with MAX and FT (or M) icons.
> Time of Day (hr:min_sec) with AM (or PM) icon.
> Temperature with ° icon and graphic F (or C).
• A (< 2 sec) - to access ALT 2.
• Revert to Main in 5 sec, if A not pressed.
• L (press) - to activate Backlight.
Deco Stop Alt 2, information includes (Fig. 103) :
> Elapsed Dive Time with EDT and min icons, up to 199.
> TAT (min) with TAT and min icons, up to 199.
*TAT (Total Ascent Time) includes Stop Times at all required Deco Stops plus vertical Ascent Time based on the max rate allowed.
• A (< 2 sec) - to access ALT 2 (if Nitrox), or revert to Main if Air.
• Revert to Main in 5 sec, if A not pressed.
• L (press) - to activate Backlight.
Fig. 99 - SS MAIN
(set for Run Timer)
Fig. 98 - SS MAIN
(On - Depth/Time set)
Fig. 100 - DECO ENTRY
(during audible)
Fig. 102 - DECO STOP ALT 1
Fig. 101 - DECO STOP MAIN
Fig. 103 - DECO STOP ALT 2