I have a new Hikvision ds-7208huhi-k2 DVR. Can anybody tell me for sure if this unit does audio over coax (aoc)? if I use a camera that supports audio(internal microphone) . Hikvision tech support says no it does not support (aoc), yet other people tell me it does on channel 1 & 2. I don’t have a camera as of now that supports audio but could buy one to check & then return it. Is anybody using this unit with (aoc). Thanks for your help
