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thanks, i've checked all of the codecs, no line in.

Hello all I've got DS-2CD2542FWD-IWS ip cam with built in mic. I've connected a powered Hikvision DS-2FP4021-B mic to the line in (picture attached). When i go to the audio menu, there is no Line in option (picture attached). The audio is keep coming from the internal mic. The firmware upgrade...