CCR Data Screens
The primary data screen for the CCR dive mode 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 your central nervous system (CNS) oxygen toxicity level and your current oxygen toxicity units (OTU) (Viewing the Surface Interval Glance), and view the dive compass (Navigating with the Dive Compass).
![CCR dive data screen with callouts](../Shared/GUID-BB1D48C2-DC00-4104-89BC-8BAEF3E7ABDB-high.jpg)
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Indicates whether closed-circuit (CC) or open-circuit (OC) diving is active. |
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Your partial pressure of oxygen (PO2) level. |
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Your nitrogen (N2) and helium (He) tissue load level. |
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Your rate of descent or ascent. |