Avtech avc-798 User Manual page 9

Note: The DVR will automatically detect the video system of the camera, please
make sure that the cameras are properly connected to the DVR and
power-supplied before the DVR is turned on.
3) AUDIO IN (1 ~ 4)
Connect to the audio connector of a camera if the camera supports audio recording.
Note: To make a video backup with audio, make sure the camera which supports
the audio function is connected to the video-in channel and audio-in
channel. For example, the audio data from audio CH1 will be recorded with
the video data from video CH1.
4) AUDIO OUT
Connect to a speaker with 1 mono audio output.
Note: To know how many audio outputs your DVR supports, please refer to its
specifications.
5) MONITOR
Connect to a CRT monitor for video output.
6) CALL
Connect to a monitor specific for sequence display.
7) VGA
Connect to a LCD monitor directly.
8) IR
Connect the optional IR receiver extension cable for remote control.
9) EXTERNAL I/O
This port is used to connect external devices (such as speed dome cameras or external
alarm, etc).
For detailed I/O port PIN configuration, please refer to "APPENDIX 6 PIN
CONFIGURATION" at page 65.
10) LAN
Connect to Internet by LAN cable.
11) DC 19V
Connect to the supplied adapter.
12) Power Switch
Switch to " " to turn on the power, and " " to turn off the power.
3
BEFORE USING THIS DVR