Pre-condition for downloading updates with PAK tunes is a connection to the internet. Pre-condition for operating PAK tunes with the PAK MKII is a Wi-Fi connection between your computer and the PAK MKII. This Wi-Fi connection will be limited always, as it does notprovide access to the internet. You can use two network adapters providing both connections at the same time, or you might switch between the internet connection and the connection to the PAK MKII.
Please pay attention to the network settings.