Dahua Technology DHI-VTH1550CH-S, User Manual

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No. Name Description
6 Arm/disarm
•
Displays the last unread alarm message.
•
Press the icon to enter arming mode.
7 Setting
Press here to access the VTH settings. Press and hold until
the Password Verification dialog box opens.
8 SOS Calls the Management Center.
9 Monitor
Monitor the Master VTO, VTO sub-station, IP camera, and
other connected devices.
Table 5-1: VTH Main Menu Selections
Setting VTH Functions
5.2.1 Setting Ring Tones
The VTH allows you to set the ring tone incoming calls from the VTO, another VTH, alarms,
and other communications. Setting custom ring tomes helps to identify the source of the
incoming call or alert.
You can upload custom ring tones into the VTH via an SD card. Follow these guidelines to
import tones:

Ring tones must be stored on the SD card in this directory path: /mnt/sd/Ring/.

The audio file must be an .mp3 file. You cannot simply change the extension of another
audio mile, the file must be encoded as an MP3.

Audio file size must be less than 100kB.

Ring tone format: 16K, 16BIT, or .mp3.

You can add 10 ring tones.
Setting a Ring Tone
Press and hold Setting until the system displays the Password Verification dialog box.
Type your password and press OK.
Press Ring. Then press VTO Ring Setup, VTH Ring Setup, or Alarm Ring Setup.
The system displays the corresponding interface. Press the Left or the Right arrow button
to page through the available ring tones.