Thus, a shortcut key using {TAIL ~ a hard key} and {HEAD ~ a touch screen} together may be provided, thereby reducing inconvenience for a user to navigate to a menu and to input data 
Thus , a shortcut key using { TAIL ~ a hard key } and { HEAD ~ a touch screen } together may be provided , thereby reducing inconvenience for a user to navigate to a menu and to input data
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH