alter, transform, modify - trigger to vary; make distinct; induce a metamorphosis; "The arrival of the car could possibly have altered The expansion pattern of the city"; "The discussion has adjusted my thinking about The difficulty"
As opposed to declaring you think something is not the case, you usually express that you don't think it is the situation.
To change the opacity from the overlayed graphic head to the top appropriate corner on the Layer Panel and use the more info layer?�s opacity slider.}