Analyze Device, ...how it works Options

[Machiavelli]

I think this is one of the most underestimated or ignored spells in the whole magic-section. Regarding the description, the spell gives you bonus-dice for operating any device the spell is cast on. But how far does this go? If i cast this spell on a commlink, does it mean that i am capable of hacking, electronik warfare and everything else that would be possible with this gadget, and if i cast it on a firearm, does it help to shoot? My comrades argue that the spell just gives you a clue how to dissemble/assemble the gun, attach upgrades etc. but if the spell would be that limited, it wouldn´t be worth the karma to learn it. Because you can only use bonus dice above the OR-frontier, it is limited enough in my point of view. So i´d like to get your experiences. Do you use this spell and if you do so, how?