AF330
Regretably no... my experience of SELCAL equipped aircraft is limited to an extensive fleet of UK based but HF equipped Falcon 20 biz jets.
During a series of avionics modification programs we deleted the Selcal system as an unwarranted expense and removed the HF boxes refitting them only on an 'as required' basis when transiting to / from or operating within the Far East.
So sorry, cant help.
pp