If you didn’t register your pulse you won’t have got the email Mammut just sent about a new firmware version.

Thanks to the new firmware 3.0, the PULSE Barryvox® now has two selectable profiles to offer the very best for each user. The BASIC profile has the simplest menu functions with maximum performance. For those looking for lots of functions and individual configuration options, the ADVANCED profile is just what you need.
When it comes to your safety, only the very best will do: PULSE Barryvox® easy-fast-effective.

Mammut have the full scoop here :

http://www.mammut.ch/en/newfirmware.html

Take a look at this thread discussing a recent Canadian test of digital and analog beacons

http://pistehors.com/news/forums/viewthread/398/