C-Worthy (R) Machine Dependent Overlay File Version 1.02. NEC APCIII. COPYRIGHT (C) 1985 - 1988. All Rights Reserved. Custom Design Systems, Inc. Provo, Utah USA. Backspace Return Up arrow Down arrow Left arrow Right arrow Ctrl PgUp Ctrl PgDn Ctrl Left arrow Ctrl Right arrow Alt Left arrow Alt Right arrow Fnc PF1 Fnc PF2 Fnc PF3 Fnc PF4 Fnc PF5