...and should read
If the CAS measurements for the three ADR are lower than 60 kt, the angle of attack values of the three ADR are considered to be invalid and the stall warning is then rendered inoperative.
and hopefully re-thought, having seen vanes moving on walk-rounds in a stiff breeze! I'm sure the intention was well-founded, but hindsight tells us the application was not, and WoW would have been far better.