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(4) DIP switches on the SDC circuit board
DIP switchwes on the SDC circuit board are described in the table below.
Use the SDC circuit board with the following settings when LBH-1700 is used since the board is common to the
other models.
Turning ON the switches other than SW 1 will result in trouble. Never change those switches.
Name (function mode)
Selection of model
Selection of model
Selection of special action of reverse
revolution to lift needle
Selection of reverse revolution to increase
penetrating force
Selection of rotating direction of main
shaft of sewing machine
Selection of woodruff plate sensor active
Change of thread trimming speed
Selection of speed input method
Standard setting
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
NO.
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
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