Hello, is it normal when the klicking soud of the M1 generator, not from the coils, is ongoinig changing, although the protocol was not changed. The klicking sound is getting faster and after a few minutes it´s getting slower and then again faster sound and then it´also makes an klicking sound an simultaneously an scratching sound?
Clicking of coils and the pulse generator is normal. The pulse pattern is also supposed to change. The reason for this is discussed at many locations on this forum; one reason is to minimize habituation.
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