Share Email Facebook Twitter LinkedIn Device Access Functions Reference (AutoLISP) 2013-04-10 Product Documentation Intermediate View Original The following table provides summary descriptions of the AutoLISP device access functions. Device access functions Function Description (grread [track] [allkeys [curtype]]) Reads values from any of the AutoCAD input devices (tablet code [row1 row2 row3 direction]) Retrieves and sets digitizer (tablet) calibrations Related References grread (AutoLISP) tablet (AutoLISP) Related Concepts Utility Functions Reference (AutoLISP)