求翻译：在“主预览”界面中，选择需要设置的摄像机，单击工具栏中的“设备设置”，弹出设备设置窗口，选择“报警”。勾选“打开报警功能”。是什么意思？

"Preview" interface, select the camera you need to set, click the "Device Settings" of the tool bar to bring up the Device Settings window, select the "alarm". Check the "open the alarm function.

In the main preview screen, select the camera you need to set up, click the button in the toolbar "Device Settings" in the pop-up device setup window, select the "Alarm". Check out the 'Turn on the alarm function.

“Looks at in advance the contact surface in the host”, the choice needs to establish the camera, in the one-shot toolbar “the equipment establishment”, springs the equipment establishment window, the choice “reports to the police”.Cancels elects “to open reports to the police the function”.

In the "Preview" in the interface, select the desired setting of the camera, in the toolbar, click "device settings", eject the device settings window, select the "alarm". Check "open alarm functions".

正在翻译，请等待...