This document is the user manual for the Yamaha YST-NC1 Active Servo Processing Speaker System. It includes safety warnings, a list of supplied accessories, and general operating instructions. The system is designed to provide natural sound with features such as 30-station random access preset tuning and an adjustable equalizer.
The manual emphasizes safety precautions, including warnings about moisture, ventilation, and power sources. It also notes that the unit contains lead in solder and other chemicals, and that there are no user-serviceable parts inside; all servicing must be performed by authorized Yamaha personnel.
The remote control requires four size 'AA' batteries.
The supplied indoor FM aerial has an impedance of 800 ohm.