4 line, 20 character back-lit LCD display with 4 cursors buttons and an Enter button to navigate the LCD menu items, as well as Menu, Cancel and Information buttons. The display also features 16 configurable bi-coloured LEDs, 4 Queue Buttons with LED Indicators, and 8 control buttons, each with it’s own LED Indicator. The display also includes LEDs to indicate AC On, Ground Fault and CPU Fault.