You bought an amp with 'Armin's toolkit' installed - more info see following link:
I have a combo & also took the plunge end of last year & installed the toolkit & have to say it gives you plenty of more options with regards to really great sound cab simulations - I replaced 60 - 70% of my patches and really liking it ...
Here is what the website says:
Upgrade your Vetta's sound options dramatically!
Get a full-out aggressive, punchy, awesome clean, sweet crunchy, smooth Vetta.
- 27 totally new sound improved CAB models
- Display all the real amp & other model names on the Vetta display
- Your name will be shown on the system display (Thief protection)
This version includes all Vetta upgrades/addons in one convenient and easy to install package.
Double of triple your sound options for only 5% of the Vetta price !
Get the CompleteVettaToolkit2.5 for only $69.99!
All the Best,