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Single-Gas and Multi-Gas Data Screens

The primary data screen for single-gas and multi-gas dive modes displays the main dive data, including your breathing gas and rate of ascent or descent. You can press DOWN to scroll through additional data, including time of day, heart rate, battery life, maximum depth, and to view the dive compass (Navigating with the Dive Compass).

NOTE: The single-gas dive mode has Big Numbers mode enabled by default (Big Numbers Mode).

Gas dive data screen with callouts

Callout number 1

Your partial pressure of oxygen (PO2) level.

Callout number 2

Your nitrogen (N2) and helium (He) tissue load level.

Green Green: 0 to 79% tissue load.

Yellow Yellow: 80 to 99% tissue load.

Red Red: 100% or greater tissue load.

Callout number 3

Your rate of ascent.

Green Green: Good. Ascent is less than 7.9 m (26 ft.) per minute.

Yellow Yellow: Moderately high. Ascent is between 7.9 and 10.1 m (26 and 33 ft.) per minute.

Red Red: Too high. Ascent is greater than 10.1 m (33 ft.) per minute.

GUID-9183E86B-2399-4CFC-AB50-EAFC6D6ED326 v4
March 2025
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