IRL If the active rangefinding portion of the sonar is being operated, it would probably be best if the operator was not actually listening to the passive receiver, lest his ears be blasted by the ping. In fact, there may be an interlock that “blanks” the passive hydrophone receiver section while active sonar is being operated, to keep the operator’s ears, or the receiver itself, from being damaged.
SO yes, the capability possibly exists to try to listen passively while pinging, but it might not be a very wise thing to do.
TG
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