26
Please note you need to use a BNC installation tool to connect coaxial cables to the
rear panel.
2. Connect the other end of the coaxial cable to the analog device.
3.7.3
Matrix Video Output
Use video matrix output connector during installation to display video sequentially
from each video input. The unit displays each channel for selected seconds. You can
use this feature to verify camera installation.
To display video from each connected video source:
1. Connect a video monitor to the video matrix output connector.
2. Turn the DVR on, the monitor, and each video matrix output source.
3. Verify the video from each source and troubleshoot as necessary.
Please refer to Figure 3-5.
Figure 3-5
3.7.4 Alarm Input and Relay Output
The DVR offers 16 alarm inputs for external signaling devices, such as door contacts
or motion detectors. Each alarm input can be either normally open or normally closed.
Once configured, an alarm input can invoke many different activities, including
triggering a relay device, sending an alert to a security office or storing pre-alarm
video to the DVR.
3.7.5 Alarm Input
You should check your alarm input mode is grounding alarm input or not.
For this series DVR, grounding signal is needed for alarm input.
If you need to connect two units or one DVR and other device, please use relay to
separate them.
Please refer to Figure 3-6 for more information.
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