Hey @PetefromBridport Click the lock icon to the right hand side of Section A after having selected your scale and it will lock the browsed chords to your current scale!
It seems to be stumping many new users. To be fair it was missed by many Scaler 2 users also. Tooltips are there but maybe not being utilised by users possibly due to tooltips ON save as default not working (fixed in an update next week).