An electronic device includes a housing having a back, a support tray
moveable relative to the back of the housing, a touch-sensitive display
supported by the support tray and moveable with the support tray relative
to the back of the housing, the touch-sensitive display including a
display device and a touch-sensitive overlay disposed on the display
device, a locking arrangement cooperating with the support tray for
locking the support tray and touch-sensitive display to inhibit movement
of the support tray relative to the back of the housing, and operational
components housed in the housing and including a touch screen controller
connected to the touch-sensitive overlay and a processor connected to the
display device and the touch-screen controller.