I've done and tried everything but I can't get my subscription to work on my tm-600 box, need some help, I have updates all the files in var/keys/ but still nothing comes up I just have a blank screen when I try other companies clines they seem to work fine.
Ask technical support of your receiver how to operate it.
If it is similar to Dreambox, check EMU settings and check whether IP address (or host name) of the server is added correctly.