Route Lock Release Button (Sp Dr S 600)
The Route Lock Release Button (FESpT) is used to release a previously set lock for a route setting over a track section or a route starting at a signal.
- Press FESpT together with the Track button. The red light next to the track section will go off.
- Press FESpT together with the Signal button. The yellow "lock" indicator near the signal will go off.
The FSpT is used to set a route lock.