This document is the operating instructions for FM Stereo FM-AM Receiver 4-238-380-51(1) STR-DE685, which introduces the product's functions and features, usage methods and precautions.
This manual covers safety precautions such as keeping the unit away from moisture and ensuring proper ventilation, as well as detailed wiring instructions for audio, video, and digital components. It also explains antenna setup, remote‑control functions, and how to connect external devices.
The guide walks you through basic operations, surround‑sound configuration, preset tuning, and troubleshooting. It includes information on the demonstration mode, how to cancel it, and the various sound‑field settings available on the receiver.
Do not expose the unit to rain or moisture, do not cover ventilation, and avoid placing the receiver in confined spaces such as a bookcase.