Learjet Flight Guidance Controller

I have got a layout of the Flight Guidance Controller for a learjet 45XR. I just need some help to find out what each button is for.

i have attached my layout.

any help would be great

thanks
Kane

Kane Hope this helps, I listed it as you asked for it:

FD1 HDG NAV AP SPD FLC ALT FD2
APP XFR VS
BNK YD VNV


Tim

thanks that's exactly what I needed