Programming
88 Service Instructions 878-M PREMIUM - 03.0 - 10/2019
17.6.8 Setting the Access rights (Lock) parameter
The access to certain functions and areas can be restricted for the operator.
If an access lock is set, it is shown in both the manual and automatic modes.
A key symbol appears to the right of the display, next to the program
number.
Various settings can be made for the access rights. The options are
explained in more detail in the table.
Prog.Switch The last active program is fixed at the operator level. It is not possible to
change to a different program. It is not possible to change to a different
program.
(Value range On/Off)
Manual Selective restriction of areas in the manual mode
R/W – Read/Write
Off – Area is hidden
R/O – Read/Only
Parameters Restriction of access to the parameters
(Value range R/W, Off)
Stitch Length Restriction of access to the stitch length
(Value range R/W, Off, R/O)
Thr.Tens. Restriction of access to the needle thread
tension
(Value range R/W, Off, R/O)
Foot Press. Restriction of access to the foot pressure
(Value range R/W, Off, R/O)
Foot Stroke Restriction of access to the sewing foot stroke
(Value range R/W, Off, R/O)
Program Selective restriction of access to the existing programs and their
parameters
R/W – Read/Write
Off – Area is hidden
R/O – Read/Only
Program It is not possible to create new programs; it is
not possible to edit existing programs.
(Value range On/Off)
St.Len.Corr Restriction of access to the correction factor
for the stitch length
(Value range R/W, Off, R/O)
Tens.Corr Restriction of access to the correction factor
for the needle thread tension
(Value range R/W, Off, R/O)