When you buy a VU+ Solo2 you'll have to do with a very limited "Easy Setup Guide".
This setup guide only covers the connecting of the receiver and the first time installation.
For further information you'll have to use the Plugin -> Opera Web Browser -> Tools -> Bookmark -> User manual, but thats only available on the Original Image (I think) and who is using the Original Image, the first thing I did was flash Openpli, so no access to the user manual anymore.
Because there's also a programmable remote control supplied with the receiver it might be useful to know how to program it but this isn't handled in the "Easy Setup Guide".
I found the Solo2 user manual and adjusted it a little, e.g. the TV brand list with the program codes.
Here it is: