DESCENT X30 Owner’s Manual

Single-Gas Data Screens

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

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.