Class A4 TTS Sound Manual 27 August 2020 16:03 Updated 4-1504c_class_a4_sound_manual.pdf 8 MB Download Related articles CLASS A4 A1/A3 Sound Decoder Manual LNER 4-8-2 Cock O the North TTS Sound Manual HSS 394 A4 Class Locomotive GWR Castle Loco TTS Sound Decoder