‘Pattern’: The pattern determines the rate at which the beat frequency
sweeps between the base and peak frequencies. Three patterns are
available by touching the Pattern button.
The 1|1 pattern gives 1 second at the base frequency followed by 1 second
at the peak frequency.
The 6|6 pattern gives 5 seconds at the base frequency, sweeps linearly to
the peak frequency in 1 seconds, followed by 5 seconds at the peak
frequency and finally sweeps back to the base frequency in 1 second.
The 6/\6 pattern sweeps from the base to the peak frequency in 6 seconds
and then sweeps back to the base frequency in 6 seconds.
‘Vector’: When the vector option is set to off, output channels A and B
deliver the same output level (current or voltage). When the vector option is
on, the relative amplitude of the outputs is slowly varied.
Over 5 seconds the output of channel A will increase smoothly from 80% of
its nominal amplitude to 100% while the output of channel B falls from
100% to 80%. During the next 5 seconds A will return to 80% and B will
rise to 100% and so on. The effect is to move the physical location of the
point of maximum stimulation in the tissue and therefore, increase the
treatment area. To change the vector option, touch the ‘Vector’ button.
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