Vth Ring - Dahua Technology VTH2421F Series User Manual

Tap
Step 3 Tap text box to select rings, and tap

3.6.1.2 VTH Ring

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