Here's links to the different SERT manuals...

Manual "A"... HERE (http://mysite.wanadoo-members.co.uk/HDtechtips/racetuner.pdf)

Manual "B"... HERE (http://mysite.wanadoo-members.co.uk/harleyhog2/B_version_RT_UsersManual.pdf)

Manual "C"... HERE (http://mysite.wanadoo-members.co.uk/hddiagrams/RT_C_version_UsersManual.pdf)

Manual "D"... HERE (http://mysite.wanadoo-members.co.uk/hddiagrams/DversionUsersManual.pdf)

Magneti Marelli... HERE (http://mysite.wanadoo-members.co.uk/hhbigbore/Marelli_Users_Manual.pdf)