Programming instructions

6.4 Multitest system ( + )

The Multitest system consists of a number of programs for the rapid

testing of receiver and transmitter elements.

There is no need for any additional measuring devices.

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During the display of the DÜRKOPP-ADLER logo press the "Stop"

key and then the F3 function key.

The display switches to the Multitest system screen.

–

Select the required test program with cursor keys ”!" or """.

The symbol of the selected test program appears in reverse video.

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Press the Enter key to run the selected test program.

6.4.1 Displaying the check sum

This program tests the microcomputer’s read-only memory (ROM).

Check sum

The check sum is only intended for servicing at our works.

It enables specialists to ascertain whether the program memory

(EPROM) of the sewing machine controller contains the entire

program with no errors.

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Press the F1 key to leave the test-program function.

STOP