Dahua Digital VTH, User Manual

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Audio file size must be less than 100 KB.
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Ring tone format: .pcm.
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You can only customize 10 ring tones. Other ring tones will not be displayed at the VTH.
4.6.1.1
VTO Ring
Set a ring for the connected VTO, and support to set maximum 20 VTOs.
Tap Setting .
Tap Ring > VTO Ring Setup .
Tap or to page up and down.
VTO ring setup
Tap text box to select rings, and tap and to set the volume.
4.6.1.2
VTH Ring
Set the ring for this VTH.
Tap Setting .
The system pops up Password prompt box.
Input login password and tap OK .
Default login password is 123456. Please refer to "4.6.6.3 Password Setting" for details.
Select Ring > VTH Ring Setup .