There are numerous ways to have the live preview of an IP camera like the CM7x series:
- From the web Gui camera itself:
* The live preview of the CM7x web gui only works if the main stream is set to 'H264'
* It can be set to Full screen if desired
* See How to open the camera's web GUI?
- From PC softwares, like those free ones below:
* Like on the camera web GUI, it is also possible to control the camera (from the 'PTZ Control' tab)
* See Using ONVIF Device Manager with Avonic IP cameras
* It can be set to Full screen if desired
* See How can I use Potplayer to view the camera RTSP stream?
* It can be set to Full screen if desired
* See How can I use VLC to view the cameras' RTSP stream?
* See Stream an Avonic Camera via RTSP to OBS and control presets via third party Plug-IN
* See Stream an Avonic NDI camera to OBS
You can also use the IP Camera Viewer software as described in that article