Programming
80 Service Instructions 878-M PREMIUM - 03.0 - 10/2019
17.5.14 Setting the Material thickness detection (FabricThickness) 
parameter
Various settings can be made for material thickness detection.
The options are explained in more detail in the table.
17.5.15 Setting the Correction of the effects of high speeds
(SpeedCorr) parameter
Various settings can be made for correcting the effects of high speeds. 
The options are explained in more detail in the table.
Menu item Setting options
On/Off Material thickness detection active/inactive.
Hysterese Tolerance at which the material thickness detection based on 
whether
the second stitch length, the second needle thread tension and/or 
the second sewing foot stroke switches back. This tolerance is 
designed to ensure that there is no constant alternating between 
activation and deactivation in the boundary range.
(Value range 0.0 ā 2.0 [mm])
PressureComp With extremely thick material, the foot pressure increases above the 
standard set value due to the thickness of the material. To a certain 
extent, the machine can compensate itself for the influence of thick 
material.
(Value range On/Off)
Menu item Setting options
Hysterese Tolerance at which the correction of the effects of high speeds based 
on whether the second stitch length, the second needle thread tension 
and/or the second sewing foot stroke switches back. This tolerance is 
designed to ensure that there is no constant alternating between 
activation and deactivation in the boundary range.
(Value range 0 ā 2000 [rpm])