Cressi RAFFAELLO - Page 31

31
English
DIVING OUTSIDE THE NO-DECOMPRESSION LIMITS
DANGER:Donotusethisinstrumenttodivebeyondtheno-decompression
limits!Cressidiscouragestheuseofthisinstrumentfordecompressiondives.
However,ifduringthedive,duetodistractionoremergency,thediverisforced
to exceed the no-decompression limits, DONATELLO/MICHELANGELO/
RAFFAELLO can assist by providing all the information for a correct ascent and
the corresponding decompression stops.
Uponviolatingtheno-decompressionlimits,thecomputerwillissueanaudible
alarm,andthedisplaychangesasshown,providingthediverwiththefollowing
information:
•StopiconlabeledDEC,showingthattheno-decompressionlimitshavebeen
exceededandthatdecompressionstopsmustbeperformed.Theuparrowwill
ashtopromptthedivertoascend.
•Depthofrstdecompressionstage(thedeepest),giveninmeters(m)orfeet
(ft.).Thiscanvaryfromamaximumof78ft/24mtoaminimumof10ft/3m.,
inincrementsof10ft/3m.
•Timeinminutesfortherstdecompressionstage(thedeepest).
•TOTALiconindicatingthetotaltimetosurface,meaningthetimeneededto
ascend from the deepest stop, respecting the ascent speed, plus the stop
time at that depth and any other subsequent depth (including the deep stop if
needed, plus the safety stop time, plus the time needed to reach the surface
after having completed the decompression stops.
•“DIVE.T”icongivingthetotaltimespentwhilediving.
NOTE: In this case, the maximum depth can be viewed by Short
Short \ NEXT (ONE STEP)
Long (3 Sec.) \ RETURN
Long (1 Sec.) \ ENTER \ ESC
pressing.
DANGER: NEVER ascend above a decompression depth.To avoid doing
so accidentally, during decompression always stay slightly below the stop
depth,butwithintheintervalestablishedforthedecompressionindicatedby
the device using the two icons (arrows) that appear together,not ashing.
Youshouldconsidertheamountofgasneededtosuccessfullycompleteall
decompression requirements.
Omitted Decompression stage alarm
If the decompression stage is missed by ascending above the depth given by the
computer,analarmwillsoundandthedownarrowofthedecompressioniconwill
ashonthedisplayuntilthediverdescendsbacktotheproperdepthorbelow
it.Thecomputerallowsamaximumtimeof2minutestocorrectthisdangerous
situation;duringthistime,thealarmwillkeepsounding.
Ifthediverdoesnotdescendtotheproperdepthafter2minutestheDONATELLO/
MICHELANGELO/RAFFAELLOenterstheERROR PROGRAM.The“STOP”icon
ashes and the instrument won’t be usable for the next 48 hours.The only
functionsworkingwillbeLogbookandHistory.Later,onthePREDIVEscreen,the
computerwillshowthe“STOP”icon,ashing,alongwiththewordDECOandthe
stopiconwiththeuparrow,meaningthatthedecompressionstopwasomitted
during the last dive.
If the diver re-enters the water in the 48 hours that follow, the DONATELLO/
MICHELANGELO/RAFFAELLOwillrepeatedlyshowthewordSTOPonthescreen.
TheLOGBOOKwillstorethesamewarning,indicatingthatonaspecicdatethe
divewithaspecicnumberwasdonewithoutthedecompressionstop.