If you wanne change you'r fov fast then this is what you need to do :
Open console type in : /bind MWHEELUP cg_fov 90 and /bind MWHEELDOWN cg_fov 120
Now if you scroll up you'l fov changes to 90
If you scroll down you'l fov will change to 120
If you should have problems connect met at xfire : lunarown
Greetzz,
LunAr