Bit of terminology coming up. So the flap manoeuvring speed is vref+ 40,60,80 for flaps 5,1,0 and gives full capability at those speeds (at least 40deg aob). This is based on ac weight.
Min man speed is a function of angle of attack and ias. It is dynamic so you will see it move during a turn eg. It is only displayed on ac with speed tape so some of my 757s have no speed tape and there is no knowledge of this speed. “During normal conditions, the flap maneuver speed for the current flap detent should always be equal to or faster than the minimum maneuver speed.” This last bit is copy from FCTM.
i am surprised that the top of the amber band is at +80 - is it possible there is a software or programming fault?