Yaesu Fusion is a digital mode which uses C4FM technology on Yaesu Radios. Like with other digital modes there is a dedicated Reflector for Scouting.
The YSF Reflector for Scouting is on FCS004 Room 27 or FCS00427.
Connecting to Fusion
On your hotspot select Fusion and go to FCS004 and select Room 27.