Single-Gas and Multi-Gas Data Screens

Primary data screen: Displays the main dive data and your rate of ascent or decent.

Your partial pressure of oxygen (PO2) level.

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 descent or ascent.

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

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

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

Dive compass: Allows you to view the compass and set a directional heading to aid with underwater navigation (Navigating with the Dive Compass).

Customizable data screen: Displays additional dive data and physiological information.

The time to surface (TTS) decompression calculation.

Transmitters data screen: Displays information about paired Descent T1 transmitters (Viewing the Transmitter Data Screens).