Digitrainsound / Loksound New Class 57 Sound Loco address 3
F0 Lights if Fitted
F1 Sound on/off
F4 Air release
F6 Fans noise
F8 Volume control / mute
F9 Flange noise
F10 Rail clack
F11 Brake noise
F12 Spirax valve
F13 Aux 1 Usually cablights
F14 Aux 2 CV 63 adjusts overall volume 0-192
For full range of decoder parameters and warranty information see Loksound V4 user manual.
Downloadable in English and available from the ESU or South West Digital websites.
For volume control double tap F8 to cycle through five volume levels. Single tap will mute all sounds.