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

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Your nitrogen (N2) and helium (He) tissue load level. |
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Your rate of ascent. |
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Indicates whether closed-circuit (CC) or open-circuit (OC) diving is active. |
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Your low partial pressure of oxygen (PO2) setpoint. |
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Your partial pressure of oxygen level of your diluent gas. |