I am not sure I understood the problem

but perhaps the problem could be given prior to the
need to choose the tuner, and then enable the satellites that are going to use?
this IMG. is also for multiple tuners.
However, you can enter your coordinates, via ftp, in:
/ var / tuxbox / config / zapit into zapit.conf
note:
I've moved your post here,(in coolstream HD1-chat), not to eliminate it, as the section where you put it, was reserved only for files