Nakamichi Na3102i Manual -

Do not plug a standard USB cable directly into the rear port. The NA3102i requires a Nakamichi proprietary adapter cable (part #NAC-IPC) to convert the 16-pin round plug to a USB-A female and 30-pin iPod connector.

For car audio enthusiasts of the late 2000s, the represented a perfect blend of minimalist aesthetics and high-fidelity engineering. Known for its warm sound stage and the crucial “i” designation (indicating iPod/iPhone direct control), this double-DIN head unit remains a sought-after piece of legacy hardware. nakamichi na3102i manual

The 30-pin dock is mechanically fragile, and forced insertion can permanently damage both the unit and your legacy iPod. Do not plug a standard USB cable directly into the rear port