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Gas change and multiple breathing gas mixes – SUUNTO HELO2 User Manual

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The Oxygen Limit Fraction (OLF%) displays only the value of the higher of the two
calculations. The oxygen toxicity calculations are based on the factors listed in Sec-
tion 10.3. Oxygen exposure
.

6.2.4. Gas change and multiple breathing gas mixes
The Suunto HelO2 allows gas changes to enabled gas mixes during the dive. When
the maximum operating depth allows for a gas change, the dive computer prompts
you to change the gas. When PO

2

permits better decompression gas to be used, the

dive computer prompts it automatically if it is set as primary. Gas changes are made
by following the procedure below:

CHANGING GAS MIX. SCROLL

THROUGH ENABLED MIXES BY

PRESSING THE UP OR DOWN

BUTTONS. SELECT NEW MIX BY

PRESSING THE SELECT BUTTON.

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