Hi Paul,
I don't think you will be successful with your query. Thecus has yet not been willing to address user issues about missing features even when explicitly advertised (except to pointing to there more expensive devices). Unfortunately they have not even answered to repeated queries for opening any kind of access to the OS (e. g. telnet).
Of course the N299 is a cheap device so you shouldn't have expected to much
...
Regards
Peter