F1 - On - Warm Engine Start / On, Off - Failed Engine Start / On, Off, On - Cold Engine Start. F6 - Coasting (Manual notch Down if F22 On). F7 - Maximum Revs (Manual notch Up if F22 On). F8 - On - Coupling Up / Off - Uncoupling.
F9 - Flange Squeal (Speed Related). F12 - On - Guard's Whistle / Off - Driver's Response Horn. F13 - Cab Lights On/Off No. 1 (plus Light Switch Sound). F14 - Cab Lights On/Off No.2 (plus Light Switch Sound). F15 - Auto Uncouple Cycle.
F18 - On - Sound Fades Out / Off - Sound Fades In. F19 - Mute (Latch) / Volume Cycles 6 Levels (Trigger). 1 End (Fan) Directional Lights Off.
2 End (non-Fan) Directional Lights Off. F22 - Manual Notching Logic On/Off (control with F6 & F7).F25 - On - Driver's Door Open / Off - Driver' Door Shut. Alternative Horn sounds and behaviour can be selected via CV changes.
Alternative coupling sounds can be selected via CV changes.