Suunto D4i - Activation and Pre-Checks; Accessing DIVE Mode

ADJUST WITH UP AND
DOWN BUTTONS. ACCEPT
WITH SELECT BUTTON.
5.10. 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.
5.10.1. Accessing DIVE mode
The Suunto D4i has three diving modes: AIR mode for diving with standard air only,
NITROX mode for diving with oxygen enriched mixtures, and FREE mode for freediving.
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