On the ANACOM 2 board, set the following initial conditions: a) All the switched faults set to OFF. b) VCO switch in the Phase-Locked Loop Detector block set to OFF. c) AMPLITUDE preset in the Audio Oscillator block set to minimum (fully counter-clockwise). d) FREQUENCY preset in the Audio Oscillator block set to maximum (fully clockwise). e) Set the AMPLITUDE preset in the Mixer/Amplifier to maximum (fully clockwise Switch on the power supply.