Thanks to many info from this community. I learned that you can get a listing of your recordings by accessing :18080/pvr and be able to extract the recordings using ffmpeg. With such info, I too created my own windows front end program to extract all my recordings automatically. All works well.
Anyway, while working on the program at a remote location, I was not able to test my program since Tablo is not local. So I want to see if I can access it remotely by creating a port forwarding on my router and pointed to my Tablo at home. It works. I can access my Tablo as if I was at home. I can even playback recording using VLC. All without needing to enabled the remote feature on Tablo, nor needing to pair with the device. Of course when playing back, it would not re-encode to an optimize format for the device.
I’m not sure if this is a good thing or not. But with this, I can have my friend using my program to extract all the recording at his house to his computer. Nice remote backup if anyone wants to do that.