Dahua VTH5221DW-C - Page 21

Step 2. Press to enable DND hour.
Step 3. Set DND hours.
See Figure 5-3.
Figure 5-3
5.2.2.2 DND Period
Step 1. GO to Setting>DND.
Step 2. Set period.
Step 3. Set week.
See Figure 5-4.