GWR/BR Pannier Tank Sound Decoder And Speaker (8)

Below is a list of the Function keys and their assignments applicable to this model. F1. Sound on/off F2. Whistle 1 F3. Whistle 2 F4. Buffering up F5. Coupling up F6. Injectors F7. Drain cocks F8. Safety valve F9. Shunting mode. Press once the loco goes slowly, press it again and you are back to normal control. F10. Accelleration/Decelleration over ride. Press once to over ride, press again to return to preset settings.