Active flowchart label

摘要

An active flowchart label is provided for displaying information regarding the state of an instrument. A label is provided having transmissive regions positioned within a graphical representation of a circuit path or in relation to textual messages provided on the label. Light sources within the instrument are positioned to illuminate the transmissive regions when activated to communicate which circuit paths are active. Additional light sources within the instrument are positioned to illuminate transmissive regions associated with the textual messages to provide additional information regarding the operation of the instrument. Light channels may be provided to direct the light from the light sources to the transmissive regions.