To edit a Device press the button to the right of the required item on the Navigation Menu; this will open a screen similar to that shown in the figure.
Here you can:
Once you have completed your modifications, press the Done button.
Pushing the Back button at any time will cancel the operation.
If the device you have chosen to edit is a Kodi Device then you will see an additional option to change the IP address of your kodi device and the option to Change the Default Transmit Period is not there (not required).
Push the Test Button to check the connection between the App and your Kodi Device. A green banner will appear on the screen if successful. If a red banner appears then no connection could be made; in this case check that: