marklin BDylf 457 Serie Mode D'emploi page 7

Controllable Functions
Headlights / Red marker light
Current-conducting coupler (lighting
for all cars)
2
Interior lights
2
Engineer's cab lighting
The number corresponds to the button number on the device.
1
on in analog operation
2
F0
2
F1 5
F2 1
F3 8
7