Haltech E6S - Manual (Page 43)

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Engine Type : Two engine types are selectable through this field - Piston and Rotary. This
field should be set according the to engine type you are using. Rotary must be selected
for the E6S to generate trailing spark ignition signals.
The Ignition Map is adjusted in a similar way to the Fuel Map. The keystrokes are the same,
except that one increment is one whole degree advance or retard. The best way to
initially set up the Ignition Map is to use the Library Maps, and then return to the
Ignition Map later if the ignition curve needs modification. Ignition Library Maps are
explained in Chapter 5 [5.4], Starting the Engine.
An example of an ignition range for a turbocharged engine could look like this :