Karger Racing Programmable Digital Ignition is an ignition for speedway racing. With the MAP button you can choose between 3 settings. With no light on the ignition are running with fixed ignition timing. Where the advance are set in the window Fixed Angle. With the map light flashing the ignition are running in Map mode, that means that the ignition timing are advancing with the revolution of the engine flowering the programed map shown. With the map light on, the start function is active, in that mode you can get the ignition to retard the ignition table and RPM for a short time when the start are going, that’s means that the motor are de-tuned for a few seconds.