Insignia NS-R5101 Stereo System User Manual Audio manuals and audio service pdf instructions. Find the user manual you need for your audio device and more at ManualsOnline. Insignia Stereo System NS-R5101 User Guide | ManualsOnline INSIGNIA NS-R5101 USER MANUAL Pdf Download. Insignia NS-R5101 5.1 Surround Sound A/V Receiver • Use only with a cart, stand, tripod, bracket, or table specified by Insignia, or sold with this receiver. Page 5: Identifying Features Insignia NS-R5101 5.1 Surround Sound A/V Receiver • Refer all servicing to qualified service personnel.