SPC4 troubleshooting notes. Go to order page. SPC4 troubleshooting and lack of power on RF2 sky output. You must have one of the Digibox RF2 outputs We recommend that you always use the tvLINK connectors supplied (download system diagram, for fitting instructions). If these are already in use make sure Now follow the SPC-4 guide on how to program each Sky box into the system in order for you to be able to get control of each box from each TV location. Global View and independently control 4 Sky set-top boxes Can be installed on to an existing tvLINK distribution system Fully compatible with all tvLINK In-homeDesertcart ships the Global TV Link Super Plus SPC 4 F Sky RF 2 Combiner to and more cities in Belarus. Get unlimited free shipping in 164+ countries with Just a couple of cables that go to your main Sky Q box and all other TV's are then served wirelessly from your main Sky Q box. This makes installation are