Originally Posted by
AviatoR21
The only way of seeing the Guidance Mode change is through the colour of the value or target. Many pilots I’ve flown with will manipulate the speed/heading knob on the FCU and call “selected” and not actually pulled it, so they’ve set the value but not confirmed it on the PFD.
If You are asked/decide to fly a certain speed the important part is that the speed target does actually match. If it doesn’t then active monitoring will take care of it to catch the handling error.