Digital Video Recorder User Manual
3.4.3 Video Lost
When video loss happens, you can select ALARM OUTPUT or video loss show information in
local mainframe screen.
Operation method:
Channel:
select the channel you want to enable lens shading alarm.
Enable:
function enable switch
Period:
Click set button, you can see an interface is shown as in below. Here you can set for
business day and non-business day. You can set up six time period, but they can’t be repeated. The
linear graphics show the period, you can copy the setting to other days
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