DESCENT X30 Owner’s Manual

Multi-Gas Data Screens

The primary data screen for the multi-gas dive mode displays the main dive data, including your breathing gas, rate of ascent or descent, maximum depth, surface gradient factor, the time of day, and the current temperature. You can press NEXT to view the dive compass (Navigating with the Dive Compass).

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

Green: 0 to 79% tissue load.

Yellow: 80 to 99% tissue load.

Red: 100% or greater tissue load.

Your rate of ascent.

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

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

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

Your partial pressure of oxygen (PO2) level.