DVR systems DVRxx04LE-S(U) Series - Manual (Page 124)

124
Figure 7-29
Figure 7-30
Please refer to the following sheet for detailed information.
Parameter Function
Channel
Please select a channel first.
Pre-record Please input pre-record value here.
System can record the three to five seconds video before activating
the record operation into the file. (Depends on data size).