ACCURACY OF SETTING CONTROL KNOBS AS FUNCTIONS OF DIRECTIONS OF FINAL MOVEMENT AND NUMBER OF ASETTINGS

摘要

Within this zone a noticeable movement of the control knob will produce no apparent difference in the effect being controlled. This dead zone presents a challenge. It is important that we discover how the operator should manipulate the knob so that errors resulting from uncertainity of where the precise setting is will be minimized. The factors involved must be determined.