Dive Rite Nitek Duo User's Guide download pdf (Page 11)

Introduction

NiTek Duo Dive Computer User Manual 7

all previous dives in the same repetitive dive series and is

thus, accurately monitoring the diver’s total exposure to

oxygen and nitrogen.

• Neither the NiTek Duo—nor any other dive computer—

physically measures the amount of nitrogen present in body

tissues or the rate at which nitrogen is being absorbed or

released. The NiTek Duo monitors depth and time, and uses

this data to work a mathematical formula designed to

emulate how individuals in good general health and whose

physical characteristics do not place them among those at

higher risk of decompression illness (DCI) are assumed to

absorb and release nitrogen from body tissues. Thus, the

NiTek Duo cannot compensate for factors such as age,

obesity, dehydration, cold, or exertion, which experts believe

place divers at greater risk of DCI. If these, or similar factors

apply to you, use the NiTek Duo—and other dive computers

or dive tables—with even greater caution.

• Little is known regarding the exact nature and causes of

decompression illness (also known as decompression

sickness, DCI, or DCS). Susceptibility to DCI may vary

substantially from person to person and from day to day.

Neither the NiTek Duo—nor any other dive table or

computer—can guarantee that you will not suffer

decompression illness. Even though you use these items

correctly, you may still suffer DCI. Use your NiTek Duo

conservatively and in conjunction with other dive planning

devices, such as dive tables. Do not rely on the NiTek Duo,

or any similar device, as your sole means of avoiding

decompression illness.

When diving…

• Do not “push” the no-decompression limits (NDLs). Make

safety stops before ascending. If you exceed the no-

decompression limits, check your breathing gas supply at all

stop depths.

• The NiTek Duo does not monitor breathing gas supply. You

must monitor this yourself, on every dive, using a

submersible pressure gauge or equivalent device.

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Dive Rite Nitek Duo User's Guide Page 11