Class 50 - LokSound 3.5 Manual 27 August 2020 15:23 Updated Class-50-LokSound-V3.5.pdf 2 MB Download Related articles HSS 338B Class 56 (Sound) CLASS 59 / 60 HSS 309E Class 47 Class 56 - LokSound 3.5 Manual ESU LokSound 3.5 Instruction manual