58
Normal open, NO
If the DO relay output is set to be normally open, when an alarm is
triggered, The DO relay output of the DVR will transition from open to
closed.
Normal Closed, NC
If the DO relay output is set to be normally closed, when an alarm is
triggered, The DO relay output of the DVR will transition from closed to
open.
The user can specify the connection point number and also select a closed
or open condition under the “Manual Dout Control”, in order to test the
functionality of any given connected alarm device.
Figure 11-6: Manual Dout Control setting
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