COP-USA DVRMPEG4-16LAN - Manual (Page 66)

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There are four audio input ports and one audio output port in all. One audio input matches one channel.
For example, if user selects audio A for channel 1, channel 1 will record audio A.
3.3 Function
Press the Function button to enter the basic function menu (Fig3.3.1 Function menu), which contains the
following items:
STATUS
AUDIO
BACKUP
PAN/TILT
ZOOM/FOCUS
LOG
LIST
3.3.1 STATUS
Press the Info button on the remote controller, the screen will display the firmware version number, HDD
status, Network status and record information. (Fig3.3.2 Status view) If CD/DVD driver connected to ATA