Rotary switch knob assembly with interspersed radial labeling

摘要

A rotary switch knob assembly (100) includes one or more circular knobs (101) having a plurality of interspersed labeling configured radially at least partially about the knob. The labeling including a first set of characters (105) and a second set of characters (107) each configured at a predetermined distance and angle between an adjacent character. A viewing window (109) is positioned over the labeling where either the first set of characters (105) or the second set of characters (107) are displayed through the viewing window (109) depending on an angular position of the viewing window.