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Dive Data Screens
You can press DOWN or double-tap the device to scroll through the data screens.
In the activity settings, you can reorder the default data screens, add a dive stopwatch, and add custom data
screens (Customizing the Data Screens, page 114). You can customize the data fields on some of the data
screens.
Single-Gas and Multi-Gas Data Screens
Primary data screen: Displays the main dive data, including your breathing gas and 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, page 27).
20 Diving
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