All images and text copyrighted and property of Greg Gagliano.

This is not a back-lighted panel, but rather the panel material emits light when a voltage is applied. This high voltage technology, while common in other areas such as the automotive industry, was probably not a great idea for the working musician dealing with ungrounded equipment at that time. You can appreciate this if you've ever been zapped when your lips touch a microphone while playing guitar or bass.