Dahua Technology XVR4 Series, User Manual

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Local Configurations 69
5.2.2.7 Siren (Supported on camera with siren function)
Click to manually control the camera to generate alarm sound.
5.2.2.8 Bidirectional Talk (Digital channel only)
You can perform the voice interaction between the Device and the remote device to improve
efficiency of emergency. This function is supported only when the remotely connected IPC
device supports bidirectional talk.
 Click , the icon switches to , the bidirectional talk of the remote device is turned on.
The bidirectional talk of other digital channels is disabled.

Click to cancel the bidirectional talk. The bidirectional talk of other digital channels is
resumed.
5.2.2.9 Remote Devices (Digital channel only)
You can view the information of remote devices and add new remote devices to replace the
current connected devices.
By clicking , the Camera Registration interface is displayed. For details about adding the
remote devices, see "5.6 Configuring Remote Devices."
5.2.3 Navigation Bar
You can access the functions to perform operations through the function icons on the
navigation bar. For example, you can access Main Menu and switch window split mode. See
Figure 5-36.
The navigation bar is disabled by default. It does not appear in the live view screen until it is
enabled. To enable it, select Main Menu > SYSTEM > GENERAL , enable the Navigation Bar,
and then click Apply .
Figure 5-36
Icon Function
Open Main Menu .
Expand or condense the navigation bar.
Select view layout.