The A’PEXi Super AFC is an entry-level fuel computer that is designed to modify the air flow meter signal (pressure signal in some vehicles). It allows the user to either richen or lean the fuel mixture. Adjustment ranges from +/-50%. The Super AFC boasts an 8-point adjustable fuel curve with 500RPM increment setting points. Monitor Mode shows analog meter faces, Y graph display, Numerical display, Peak Hold, Reply Mode, and much more. The A’PEXi also features a VFD (Vacuum Fluorescent Display) screen for easy viewing.