21 pin Loksound 5 decoder for a Dapol class 52. This decoder will be supplied with a megabass speaker which fits easily into the space provided.
F0 Lights On / Off, F1 Multi Start (see text) (Slot 1), F2 Horn 1 Playable (Slot 3), F3 Horn 2 Playable (Slot 4),
F4 Train Brake Off (Slot 22), F5 Loco Brake (Slot 23) F6 Couple up (Slot 8), F7 Uncouple (Slot 7), F8 Brake 1 (CV179),
F9 Flange Squeal (Slot 15), F10 Preheat (Slot 18), F11 Guards Whistle (Slot 10),
F12 Coast, F13 Aux 1, F14 Aux 2, F15 Auto Uncouple Mode,
F16 Master Volume, Toggle On/Off to change or leave On for Mute, F17 Aux 3, F18 Aux 4, F19 Shunt mode.
Auto sounds, Fuel Pump (Slot 19), Oil Pump (Slot 20), Intelli-Brake (Slot 13).