Luma Surveillance LUM-500-DVR-16CH, Technical Reference Manual

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FAQ
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Audio
How do I enable audio on a Luma NVR?
With IP cameras that have a microphone built in or directly
attached, the audio and video signals are sent together. Using the
NVR’s local UI, web UI or mobile application UI, simply click on the
speaker icon to listen to the audio signal coming from the camera.
If you cannot hear it, check your volume control as well as the
microphone connection. If you still can’t hear it, either your
microphone or your speakers may be malfunctioning; call technical
support.
How do I enable audio on a Luma DVR?
The procedure depends on which model you have.
4-channel DVR
If you have a 4-channel DVR, and none of the installed cameras
has a microphone built in or directly connected, you can attach an
external microphone to the DVR’s AUDIO IN port. This microphone
can be heard on channel 1 only, so be sure the associated camera is
also on channel 1.
8- and 16-channel DVR
If you have an 8- or 16-channel DVR, and none of the installed
cameras has a microphone built in or directly connected, you can
attach an external microphone to each of the DVR’s four AUDIO
IN ports. These four ports correspond
directly and specifically to
channels 1 through 4 of the DVR. Thus, the microphone attached to
the second AUDIO IN port can be heard on channel 2. Be sure each
microphone’s associated camera is on the same channel.