This invention discloses an apparatus and method to affect brainwave entrainment by Very Low Frequency eXclusive-OR modulation of a Very High Frequency carrier over a premise’s power-line Alternating Current wiring. The present invention allows a user to make various pipe parameter choices and decisions up front, and to then draw each individual pipe without having to each time make the numerous selections and decisions required to determine that pipe’s proper type. In response to the instruction signal, the transmitter transmits a response signal including eight consecutive data frames.