Phil,
This thread brings back memories of PSK from 2016:
HELP - I'm being chased by a robot!
BTW, using a KX2, one can send CW with a keyer paddle, and have it converted into PSK-31.
See : QRPer Notes: Native PSK-31 on the KX2, DXers Lloyd & Iris Colvin, and Chameleon Factory Tour | Q R P e r
Ken