• Demmand Underwater Communications Hand Signals

    Demand (Command) signals are the few that require a return or repeat of the signal by another.
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    This signal is most often used and one of the most recognized underwater hand signal. With a light, in the dark, you do a circle to signal an okay.
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    Hold, Freeze or Danger

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    Note, this hand signal is not uniformly considered a Demand or Command Hand Signal, but some technical agencies consider it one.

    End the Dive (or “Go Up”)