Operation Manual

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During conditions of High PO2, Alternate Displays previously described can be accessed using
the Advance (Front) button, and the Backlight can be activated using the Select (Side) button.
Operation will automatically revert to the Main Display after 3 seconds unless the Advance
(Front) button is pressed to view another display of information.
HIGH OXYGEN ACCUMULATION
It is important that you understand that conducting repetitive dives using enriched nitro-
gen-oxygen (nitrox) mixtures can lead to oxygen buildup, reducing oxygen tolerance while
increasing the risk of pulmonary oxygen toxicity.
It is strongly recommended that you avoid exceeding oxygen exposure limits, and you are
reminded that nitrox diving requires special training and understanding of the effects of
oxygen toxicity.
The O2 Bar Graph provides a graphic representation of your oxygen accumulation, displaying
either oxygen accumulated during that dive, or during the repetitive dives you conduct during that
24 hour period, whichever of the two is greater at that time.
The yellow Caution Zone of the O2 Bar Graph offers you a convenient way to consistently moni-
tor how close you are coming to the limits of oxygen exposure. Use it as a visual reference to
place a wider margin of protection between you and the Limits.