• Make sure the auxiliary source you want to use is connected to the back panel of your GEC3. (AUX. IN for Aux 1 device and AUX IN 2 for Aux 2 device).
• Press the Lecture mode button.
• Press the Volume tab from the row of tabs at the bottom of the screen.
• Determine the Auxiliary source (Aux 1 or Aux 2) you want to use.
• Press (Aux 1) Enable to check it.
• Press Aux 1 Cue. This will allow you to preview the track before broadcasting to the class.
• Cue up the auxiliary source to the desired selection of music.
• To adjust the volume, use the volume controls corresponding with Aux 1.
• When music is cued up, press Aux 1 to play the selection.
• To interject commentary, press the Teacher ON checkbox at the top of the Volume screen. Aux1/Aux2 volume is decreased by 12 dB (so that your voice can be heard over the aux. source). Press Teacher ON a second time to uncheck it and resume the original volume.