Dahua Technology VTH5421E Series - VTH Ring

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Tap or to page up and down.Figure 3-24 VTO ring setup
Step 3 Tap text box to select rings, and tap and to adjust the volume.
3.6.1.2 VTH Ring
Background Information
Set the ring for this VTH.
Procedure
Step 1 Tap
Setting
.
Step 2 Select
Ring
>
VTH Ring
.
Figure 3-25 VTH ring setup
Step 3 Tap text box to select rings, and tap and to adjust the volume.