Free Nibg (Nitrogen Bar Graph) Alarm; Entry Into Deco During A Free Dive - Aeris Manta Operating Manual

FREE NIBG (Nitrogen Bar Graph) Alarm

While diving in FREE DIVE ode, nitrogen accumulation from
the FREE Dives and any previous NOR SCUBA Dives
conducted within 24 hours is displayed as the NIBG.
When Nitrogen Loading increases to the Caution level indi-
cated by 4 segments displayed as the NIBG, the UP Arrow
appears solid, 3 short beeps will sound 3 times, the red LED
will flash, and the message UP > HIGH > NI will appear on
the display (Fig. 113).
After the beeps, the message will continue to scroll until the
NIBG recedes to 3 segments at which time the message will
change to FREE and the UP Arrow will be removed.

Entry into DECO During a FREE Dive

In the event that Nitrogen Loading increases to the DECO level
indicated by all 5 segments of the NIBG displayed flashing,
the UP Arrow will flash, 3 short beeps will sound 3 times, the
red LED will flash, and the message UP > VIOL will appear on
the display (Fig. 114).
After the beeps, the message UP > VIOL will continue to be
displayed scrolling until you surface, then the graphic VIOL will
alternately be On/Off for 10 minutes after the dive.
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