Dahua DH-XVR5104HS-4KL-I3 User Manual page 297

Define the permitted period. By default, it is active all the time.
Define the period by drawing.

 Define for a specified day of a week: On the timeline, click the half-hour blocks to
select the active period.
 Define for several days of a week: Click
. On the timeline of any selected day, click the half-hour blocks to select the active
periods, all the days with
 Define for all days of a week: Click All, all the
of any day, click the half-hour blocks to select the active periods, all the days will take
the same settings.
Define the period by editing. Take Sunday as an example.

1) Click .
2) Enter the time frame for the period and select the checkbox to enable the settings.
Setting
before each day, the icon switches to
will take the same settings.
switches to
Period
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User's Manual
. On the timeline