Cressi DONATELLO - Nitrox Diving Procedures; Nitrox Functionality and Safety

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pressduringthedive,andrepresents:
•MaximumPO2set.
•Themodeselected(Air).
•MaximumdepththatcanbereacheddependingonthemaximumPO2set.
•Thecurrenttime.
NITROX FUNCTION: Dive with Nitrox.
TheDONATELLO/MICHELANGELO/RAFFAELLOsavesthesettingforthe%O2
oxygenpercentagesetpreviouslyuntilthedivermanuallysetsdifferentvalues.
Itisimportanttounderstandthat:
Articialrespiratory mixtures may exposethedivertovery severe risks if they
arenotperfectlyunderstood,analyzedandstudiedfromeveryangleinvolvedin
diving.ItismandatorytounderstandthatTHEMIXTUREBEINGBREATHEDMUST
BEEXACTLYTHESAMEASTHEONESETONTHECOMPUTER.OTHERWISE,
THEDECOMPRESSIONANDTOXICITYINFORMATIONprovidedbythecomputer
WILLBEDANGEROUSTOTHEDIVER'SLIFE.Before,after,andduringaNITROX
dive, it is imperative that you check the oxygen percentage so that it exactly
matchesthemixinthecylinder.
BEFORE A NITROX DIVE.
TheDONATELLO/MICHELANGELO/RAFFAELLOcomputeralwayskeepstheDIVE
AIRprogramswitchedon,untilthediversetsitfortheusewithNitroxmixtures.In
thiscase,thescreenwilldisplaytheNITROXiconthatwillremaintherethroughout
the dive and as long as the DONATELLO/MICHELANGELO/RAFFAELLO remains
settoMODE-SNITROX.OncetheNitroxprogramisactivated,inorderforthe
computer to adapt its calculation algorithm to the new parameters, the exact
oxygenpercentagevalues(%O2)containedinthecylinderthatwillbeused(after
carefullyanalyzingthecontent)mustbeenteredintothecomputer.
DANGER:Useofthiscomputerwithhyper-oxygenated(NITROX)mixturesis
exclusivelyintendedfordiverswhohaveattendedafulltrainingcourseonthe
useofsuchmixtures.
DANGER:DonotdivewithcylinderscontainingNitroxmixturesuntilyouhave
personallycheckedtheiroxygenpercentage.
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