This document introduces the safety markings on Yamaha electronic products, including warning marks and hazardous voltage marks.
This document serves as the user manual for the Yamaha S90 Music Synthesizer. It begins with a special message section detailing product safety markings, including warnings about electric shock and the prohibition of user servicing. The manual emphasizes that all servicing should be referred to qualified Yamaha service personnel.
The manual states that the minimum wire size must be 18 AWG.
The product requires a three-pin attachment plug to ensure proper grounding.