Hi,
The instructions for the Acapella say not to adjust the frequency dial after the nurse has set it, but I'm wondering how many of you do adjust it and if you notice a difference? What is the process that the nurse goes through to select the appropraite setting in the first place?
Thanks,
The instructions for the Acapella say not to adjust the frequency dial after the nurse has set it, but I'm wondering how many of you do adjust it and if you notice a difference? What is the process that the nurse goes through to select the appropraite setting in the first place?
Thanks,