DVR systems DVRxx04HF-U Series - Manual (Page 155)

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Figure 7-47
Important
The alarm output port should not be connected to high power load directly (It shall be less
than 1A) to avoid high current which may result in relay damage. Please use the co
contactor to realize the connection between the alarm output port and the load.
Please refer to the following sheet for detailed information.
Parameter Function
Alarm output There are three output channels (Multiple choices).
Please note the displayed alarm output channel amount here may
vary due to the different series.
Activate Enable/disable alarm output device. After the Web activated the
alarm, you need to cancel the channel and then click the activation
button to cancel the alarm, or you need to cancel the alarm in the
pop-up dialogue box in local-end.
Refresh Search alarm output status.
7.3.3.3 Record
Record control interface is shown as in Figure 7-48.