SUUNTO HELO2 - Manual (Page 28)

5.1. Planning your dives
The Suunto HelO2 is designed for computer-aided technical diving. You plan and
modify your dive profiles with Suunto Dive Planner and download the gases required
for the profile to the dive computer. During a dive, the dive computer alerts you about
the gas switches and stops, as well as monitors the dive. The dive computer records
data of the actual dive. After a dive you upload the data back to the Suunto Dive
Planner for comparing the plan to the actual dive and adjusting the plan for the next
dive.
The Suunto HelO2 can store up to eight different gas mixes of oxygen, helium or nitro-
gen into its memory. The minimum O
2
% on the dive computer is 8%.
With the Suunto Dive Planner you can:
1.
plan a dive including a depth plan, decompression schedule, and gas mixes for
use during a dive.
2. simulate the dive and create backup plans for printing them on slates. The inform-
ation on a slate includes the gases, depth, dive time, and ascent profile.
3. create recipes for gas mixes, either for partial pressure or continuous flow filling,
and print them out for ordering or mixing.
4. download gases, maximum PO
2
, alarms and settings to the dive computer, as
well as confirm and set primary and secondary gases.
5. upload data of the last dive to Suunto Dive Planner and use the data for planning
the next dive or for comparing the actual dive to the planned one.
After filling the cylinders with the required gas mixes, their oxygen and helium percent-
ages must be analyzed and the dive computer settings modified accordingly either
with the Suunto Dive Planner or directly in the dive computer.
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