You can switch on your receiver via Wake-On-LAN using the menu on the left side if your receiver supports Wake-On-Lan (e.g. VU+ Duo 2)
Yes. The first profile (standard profile) should always be the main receiver in the local network. When creating a further profile, you can choose whether it is an external profile (for access from the Internet) or an additional receiver.
The automatic data update is only ever carried out with the first profile. The data for the second receiver must be started via the 'Data update' option in the menu.