EEG6500 Enhanced Electronic Controller Multi-V DC Built-In Display, Fast setup with 5 push buttons Simple LCD User Interface; No potentiometer or PC required 2 Fixed (Rated, Idle) and Variable Speed; Selectable Isochronous, Droop, & Variable Governing 5K Ω resistive, 0-2.5 V Variable Speed Input Speed Range to 12 kHz (6000 RPM) with Frequency Display Speed Ramping (Any Transient Speed Change) Standard GAC AUX Input for Synchronizing and Load Sharing Fault Protection with Overcurrent Sensing Adjustable Starting Fuel Strategy (Black Smoke Reduction) J1939 Engine Speed Output Compatible with all GAC actuators except ATB T4 Series, ADB335 and ACB2001. Lockable display to prevent unauthorized access Identical mounting hole pattern to ESD5500E