Then you would adjust the idle-stop/speed screw so that there is a 1-2 mm gap when the servo is in the neutral position. You might need to readjust the spring collars on the throttle linkage to force the throttle arm against the idle speed screw.
An illusion is a distortion of perception. The brain arranges, sorts, and organises data from the senses. Normally the system works well. Sometimes it does not, and we see illusions. In general, they are shared by most people in the same situation.
Definition of charm. 1  1a : the chanting or reciting of a magic spell : incantationb : a practice or expression believed to have magic power. 2  2 : something worn about the person to ward off evil or ensure good fortune : amulet wore a rabbit's foot as a good-luck charm.