The GF-MCP Pro features the following functions: Independent Captain and F/O COURSE knob and display, Independent Captain and F/O Flight Director on/off toggles with indicator, Autothrottle on/off toggle with indicator Autothrottle N1 and SPEED buttons, C/O button for SPD display selection of IAS or MACH, SPEED Knob and display HEADING knob and display with integrated HDG HOLD push function, HDG SEL button, VNAV and LNAV buttons, ALTITUDE knob and display VOR LOC, APP, ALT HOLD and ALT INTV buttons, VERTICAL SPEED wheel control/display, V/S button, A/P CMD A, CWS A, CMD B, and CWS B buttons, DISENGAGE control bar The GF-MCP Pro features a Boeing 737-style MCP panel with full functional and control complement. When used with FS2004 and FSX add-on software such as Project Magenta, the GF-MCP Pro enables full simulation of a Boeing 737 MCP. The GF-MCP Pro is also compatible with built-in FS2004 and FSX aircraft as an enhanced autopilot.*