1.00 Introduction
This information has been developed for your safety. Please
read and understand this manual completely before using your
new TUSA dive computer.
1.01 Simply Reliable
Congratulations! You are now the owner of a new TUSA
Scuba dive computer. You’re about to experience the TUSA
difference in diving equipment—products that are simply reli-
able. At TUSA, we focus on the type of diving you do, then
design products that address your specific needs. The simple,
purposeful designs of all TUSA equipment provide you with
reliable, trouble-free performance, dive after dive.
1.02 Key Features
Among the
IQ-600
’s key features:
The
IQ-600
activates automatically upon descent. It need not
be manually activated beforehand.
It automatically adjusts for altitudes up to 19,680 ft/6,000 m,
and is capable of functioning at depths as deep as 328 ft/100 m.
The
IQ-600
displays a variety of data, including: date; time of
day; current and maximum depths; no-decompression dive
time elapsed and remaining, and water temperature.
Additionally, the
IQ-600
is capable of displaying data specifi-
cally related to the use of Enriched Air Nitrox (EANx), includ-
ing: Fraction of Oxygen (FO
2
) setting; Partial Pressure of
Oxygen (PO
2
); and, an Oxygen Limit Index (OLI) represent-
ing the cumulative effect ofa diver’s exposure to elevated PO
2
s
(“CNS Clock”) as an eight-element bar graph.
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