Duerkopp Adler 291 Service Manual download pdf (Page 18)

8. Control and operating panel

CAUTION!

This manual covers

only

those key functions and parame-

ter changes available to the operator.

For a more detailed description of the control system plea-

se consult the motor-manufacturer’s current operating ma-

nual (supplied).

8.1 General

The operating panel is used to program the control unit and to set seam functions.

Depending on the nature of the job, sewing may be executed manually or by seam

programming.

For differing jobs seams can be programmed for which the functions (starting bar tack,

ending bar tack, stitch count, thread cutting etc.) and parameter values

(stitch rate, seam length, rpm etc.) are individually assigned.

Entry is carried out in programming mode.

The parameters and the values assigned are displayed.

The seam programs are not lost even when the sewing machine is switched off

(battery buffer).

In order to avoid the inadvertent alteration of pre-set functions, operation is divided into

various levels (operator, technician, fitter).

The operator (seamstress) can program directly.

On the other levels access is contingent on the entry of a code number (EFKA).

RESET

If the control unit is hopelessly misadjusted, this function allows the technician to reset

all adjusted values to their default (ex-works) settings.

This function is described in the Servicing instructions!

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Duerkopp Adler 291 Service Manual Page 18