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Autronica SM4 User Manual

Autronica SM4
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SM4 Manual by MRM-Racing V3.0
87
X & Y axis setup in "M2 tables axis setup".
NOTE1, Ignition modifier 1,2,3 can be applied to the following tables;
Main ignition table.
Overrun ignition table.
Idle ignition table.
Crank ignition table.
NOTE2, Ignition modifier 4 is under "M3" menu.
NOTE3, If any trims set, will be shown as "ON".
Ign cylinder trims 1-16
Individual ignition trims can be applied.
Before applying an ignition trim on a cylinder for knock, make sure that cylinder is
not running leaner.
Y axis setup under "M2 tables axis setup".
Ign mod setup
Ignition Modifier 1-4 configures here, if they would affect main, crank, idle and
overrun ignitions.
Ign modifier 1-3
Ignition modifier 1-3 can be applied to the following tables:
Main ignition table.
Overrun ignition table.
Idle ignition table.
Crank ignition table.
This is done via the "Ign mod setup" menu
X & Y axis is setup under "Table axis setup"
NOTE, There are also ignition modifier 4 available under "M3" menu.
Knock Tune
You need to enable this function by assigning it an I/P before you can use it.
You assign I/Ps under "M1","I/P switches". Knock input sets how the knock detector
records errors.
NOTE:, Knock detector expects the Tacho O/P to be enabled and correct polarity. Knock
board software must be setup.
Charge Temp Estimate
This is the actual temperature of the air that goes into the engine after it has passed by
the manifold and entered the combustion table.
Lower engine speeds means that the air will be effected by the water temperature in the
manifold. Higher engine speeds means the air temperature is less effected by the water
temperature.
Depending on where the air temperature sensor is position can effect the actual charge
temperature of the engine.
This is difficult to map, as to do it properly you need to record the air, water and A/F at
two different air and water temperatures with no choke or other compensations making
an affect.

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Autronica SM4 Specifications

General IconGeneral
BrandAutronica
ModelSM4
CategoryControl Unit
LanguageEnglish