2.9 H/W Monitor Alarm (CN12)

Close: Enable OBS Alarm

Open: Disable OBS Alarm

2.10 Line Out, Mic In Connector (CN3)

The Line Out is to output the audio signal to external audio device, like speakers or headphones. The Mic In is for the audio signal input via microphones.

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Advantech DVMB-554E user manual H/W Monitor Alarm CN12, Line Out, Mic In Connector CN3