BE 2015 FP2 - Sharepoint 2013 with SQL 2012 Always On

Hi,

We have backup exec 2015 FP2 and a sharepoint 2013 farm using a sql 2012 backend, utilising always on using a listener name.

How do we go about backing this up? At the moment we are having to use sql to backup to a unc path and then back that up and not do any form of sharepoint farm backups. 

In the BE2015 SCL guide, it states that you cannot backup\restore using the listener. However, it does state that you can backup the primary member. How do you go about doing this using a sharepoint farm backup job and not use the listener?

Or the best way to back this up... 

Thanks