{HEAD ~ A screen} displaying {TAIL ~ method} for a portable radio information terminal, comprising the steps of: 
{ HEAD ~ A screen } displaying { TAIL ~ method } for a portable radio information terminal , comprising the steps of :
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH