COP-USA DVRPRO04 - Manual (Page 13)

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11.Power Switch
se this switch to power the machine on or to cut off the power.
12.RS-232 Port
Connect this socket to the M D M to enable the sending of alarm
alerts, or to convert RS-232 to RS-485 devices to control the PT
video camera.
13.USB Port
This socket is used to connect S devices for data output.
14.Speaker
This is used to make the alarm sound.
15.Microphone
This is used for sound input.
Preparing the Digital Video Recorder for Operation
To prepare your Digital Video Recorder for operation, you should first con-
nect all peripheral devices. Make sure the DVR is turned off before you do
this. Once you have connected all peripheral devices, check that the volt-
age switch is appropriate for your region (115/230). Make sure the floppy
drive does not contain a diskette, and there are no discs in the CD / CD-RW
drive; if there are any discs, press the eject button to eject an inserted disc.