Alarm Ring; Other Ring Settings - Dahua Technology VTH2421F Series User Manual

3.6.1.3 Alarm Ring

Background Information
Set the ring when the VTH gives an alarm.
Procedure
Step 1 Tap Setting.
Step 2 Select Ring > Alarm Ring.
Step 3 Tap text box to select rings, and tap

3.6.1.4 Other Ring Settings

Background Information
Set VTO ring time, VTH ring time, MIC volume, talk volume and ring mute setting.
VTO Ring and VTH Ring of extension VTH are synchronized with main VTH, and cannot be set.
Procedure
Step 1 Tap Setting.
Step 2 Select Ring > Other.
Figure 3-26 Alarm ring
and
56
to set the volume.