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 Steam Loco TTS Sound Manual HSS 358C A4 Class Locomotive (New connection type) HSS 350 Class A4 (Sound) HSS 256B Class A3/A4 Super Detail