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