hi all,
 
i want to scan sat to generate an update channels.conf for vdr,
 
"usage: scan [options...] [-c | initial-tuning-data-file] "
 
if i use "-c" scan current transponder, when i don't know how to scan all transpornder,
i must precise "initial-tuning-data-file", but i dont know what to give for astra or hotbird.
 
please help
 
olfax