HORNBY R8118 TTS SOUND DECODER CLASS 20

IMPORTANT - The decoder does not support sound under DC (analogue) operation
Sounds can only be played under DCC (digital) operation.
This applies to all sounds, both running and spot sounds.
The locomotive's motor may be controlled under DC operation

Function list
F0 Headlight/rearlight (if fitted to locomotive)
F1 Engine start/stop
F2 Horn high-low
F3 Horn low-high
F4 Brake squeal
F5 NOTCH up
F6 NOTCH down
F7 Return to IDLE
F8 Thrash
F9 Cold start override
F10 Compressor
F11 Door slam
F12 Fan
F13 Horn high
F14 Horn low
F15 Primer
F16 Slow flange squeal
F17 Spirax valve
F18 Horn short low
F19 Horn short high
F20 Wagons buffering
F21 Wagons clanging
F22 Coupling
F23 Dispatch whistle
F24 Buffering
F25 Aux (if used in locomotive)