i have had my cobra for 1 yr this month , has the same model motor as yours , also the speed controller works just like yours . the display on my motor displays rpm, i usually sew at 600 rpm. i noticed yours displays 1-?. probably some way to change display.
i have had my cobra for 1 yr this month , has the same model motor as yours , also the speed controller works just like yours . the display on my motor displays rpm, i usually sew at 600 rpm. i noticed yours displays 1-?. probably some way to change display.