Mode	Indications
Modulated	Displays less 'accommodation' than Constant. That is, the body has less of a tendency to perceive that the stimulation is diminished after several minutes of use.
	Gives excellent pain relief when combined with a rate setting of High. In this way quick pain relief is offered, as well as long lasting pain relief after the stimulus is removed.
	Is quite a soothing sensation that many people describe as being a massage-like effect.
Constant	May be chosen if a specific rate is required - such as with inducing sleep or relaxation.
es	Is the ideal setting for muscle strengthening and toning when combined with a rate setting of High.
	May be chosen if it is the most comfortable stimulating sensation.