What should divers do if they experience a malfunction with their gas delivery system?

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When divers experience a malfunction with their gas delivery system, it is crucial to prioritize safety above all else. Alerting a buddy and following established emergency protocols is the best course of action. This approach ensures that both divers are aware of the situation and can provide assistance if needed. Emergency protocols are designed to manage such incidents and may include procedures for ascending safely, determining alternative gas sources, or executing controlled emergency ascents if necessary.

Continuing to dive despite a malfunction poses significant risks, as it could lead to inadequate breathing support and potentially life-threatening situations. Attempting to fix the gas delivery system underwater is an impractical and hazardous choice, as repairs may not be feasible and could further complicate the situation. Relying on hand signals alone without first addressing the malfunction and communicating effectively with a buddy or dive master may not provide the necessary response time or safety measures needed in an emergency scenario. Thus, following emergency protocols after alerting a buddy is the most responsible and effective action.

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