Hello,
if "full answers" refers to an explanation of basic functionalities, then please understand that this isn't something tech support can provide. To help efficiently, it would certainly be beneficial, if not required, for you to have familiarized yourself with basic technical terms and features such as the settings dialog (where you will find the option to switch the format of the optical output).
This forum essentially being a user forum, you may find someone willing to explain these very basics from the manual to you, though...
There is no guaranteed turnaround time for replies to topics on this forum, I'm afraid. We do offer phone support in Germany and the US, and so do distributors elswhere. As for presales questions about features, you may also turn to local retailers.
Regards
Daniel Fuchs
RME
Regards
Daniel Fuchs
RME