RE: Programming a Spektrum DX6 for a 450 CDE
To help you set up your helicopter a bit and make it not so twitchy when you spool it up for the first few flight I would change these:
PLN - 0%
P2N - 50%
PHN - 100%
To this
PLN - 40%
P2N - 50%
PHN - 90%
That will make your max Neg pitch about -3 and your max Pos pitch about 8 or so. Makes for a more mild first flight.