Dahua Technology DH-XVR42 AN-I Series, Руководство пользователя

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User’s Manual
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5.2.2.4 Manual Snapshot
You can take one to five snapshots of the video and save into a USB storage device.
By clicking , you can take snapshots. The snapshots are automatically saved into the connected
USB storage device. You can view the snapshots on your PC.
To change the quantity of snapshots, select Main Menu > CAMERA > ENCODE > Snapshot, in the
Manual Snap list, select the snapshot quantity.
5.2.2.5 Mute (Analog channel only)
You can mute the video sound by clicking . This function is supported in single-channel view.
5.2.2.6 Warning Light (Supported on Camera with Warning Light Function)
Click to manually control the camera to turn on the warning light function.
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 Two-way 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 Adding Camera (Digital channel Only)
You can view the information of remote devices and add new remote devices to replace the current
connected devices.