SUUNTO Vyper - Manual (Page 43)

Figure 5.4. Setting Oxygen Percentage and Partial Pressure. The equivalent maximum
depth is displayed as 32.8 m /107 ft. Press scroll buttons to change oxygen percentage
and to set oxygen partial setting value.
5.7. Activation and pre-checks
This section describes how to activate the DIVE mode and explains the pre-checks
that it is highly recommended you perform before you get into the water.
5.7.1. Accessing DIVE mode
The Suunto Vyper has three diving modes: AIR mode for diving with standard air only,
NITROX mode for diving with oxygen enriched mixtures, and GAUGE mode for use
as a bottom timer.
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