AV-20N3PX OPERATING INSTRUCTIONS C O N N E C T I O N S 3 FRONT & REAR PANEL DIAGRAMS AV-21F3PX AV-20N3PX Rear Panel AV-21F3PX/AV-20N3PX Front Panel AV-21F1P AV-20N1P Rear Panel AV-21F1P/AV-20N1P Front Panel No. 56049 1-1