SubGear XP-3G - 3.4.6 Ascent Rate

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Diving with Subgear XP-3G
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3.4.6 Ascent rate
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Ascent rate
Optimal ascent rate varies depending on depth between 7 and 20m/min (23 and 67ft/min). It is displayed
as a percent of the reference variable ascent rate. If the ascent rate is greater than 100% of the set
value, the black arrow “SLOW” appears. If the ascent rate exceeds 140%, the arrow starts flashing.
Subgear XP-3G provides an audible alarm if the ascent rate is 110% or greater. The intensity of the
alarm increases in direct proportion to the degree that the prescribed ascent rate is exceeded.
WARNING
Theprescribedascent rate must be observed at all times! Exceedingtheprescribedascentratecanlead to
microbubbles in the arterial circulation which can lead to serious injury or death due to decompression sickness.
•IncaseofanimproperascentSubgearXP-3Gmayrequireadecompressionstopevenwithinthe
no-stopphasebecauseofthedangerofmicrobubbleformation.
•Thedecompressiondurationnecessaryforthepreventionofmicrobubblescanincreasemassively
iftheascentrateisexceeded.
•Fromgreatdepthaslowascentmaycauseheightenedsaturationoftissuesandanextensionof
bothdecompressiondurationandtotalascenttime.
 Atshallowdepth,aslowascentmayshortenthedecompressionduration.
•Displayoftheascentratehasthepriorityover“CNSO
2
”.
WARNING
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Ascent rate Visual alarm Audible alarm
Reduceascentrate
Excessive ascent rates for longer periods are entered in the logbook.
The following ascent rates correspond to the 100% value in Subgear XP-3G.
depth (m) speed (m/min) depth (ft) speed (ft/min)
<6 7 <20 23