| TRACKBALL : 2 independent axes (quadrature signals). The user can use this device to manage 2 axes (X &Y) independently and at the same time. KEYBOARD : I to 16 keys matrix keypad (2x4 or 4x4). Each key of the keyboard can be configured for a specific function. (Axis+/-, Zoom, Activate, Go/Save position, Stop/Free axes,...) LCD : 4 lines x 20 characters as display. LED : (4x) to display MODE and STATUS of the board. 3 sets of configuration (modes) are fully definable. |