If it is necessary to view local video feed in a TE30, locally or remotely, and there is no screen/moinitor or remote control available, normally there is no way to enable Video Monitoring, only through TE's GUI using a remote control.
If there is no monitor/screen or remote control to enable Video Monitoring feature. It is possible to enable it using web interface using a especific combination of keys.
Enter te30's web interface and go to Device Control>Use Remote Control:
Once you click on it you will see a simulation of the remote control on the web interface:
Now in a continuous and slow way, use the next combination of keys.
Menu down down down down down ok down right ok 1 2 3 4 5 6 7 8 ok down down right ok left left ok down down down down down ok right ok
If it is done correctly, you should be able to watch local video in Device Control>Device Control: