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Switching Between CC and OC Diving for a Bailout Procedure

During a closed-circuit rebreather (CCR) dive, you can switch between closed-circuit (CC) and open-circuit (OC) diving while you perform a bailout procedure.

  1. Start a CCR dive.
  2. Press Start.
  3. Select Switch to OC.

    The dividing lines on the data screens turn red, and the device switches the active breathing gas to your OC decompression gas.

    NOTE: If you have not set up an OC decompression gas, the device switches to your diluent gas.
  4. If necessary, press Start, and select Gas to manually switch to a backup gas.
  5. Press Start, and select Switch to CC to switch back to CC diving.
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