Sony: Lbtd505 User Manual Portable Fix
The manual calls this "GROOVE." Press to cycle through:
The user manual will walk you through the various features of your new speaker system, including: sony lbtd505 user manual portable
Official digital copies can be elusive, but community archives have kept them alive: Service Manual & Diagrams: The manual calls this "GROOVE
Sony LBT-D505 is a classic 1990s compact high-fidelity component system. While it was marketed as a "compact" or "mini" system in its era, it is not "portable" in the modern sense; it consists of multiple heavy, stacked units and large 3-way speakers that require a permanent wall outlet. mussiclovers.com it consists of multiple heavy