Chattanooga Group Intelect TENS Manuel D'instructions page 14

11. Adjust Pulse Width. Turn the Pulse Width control to the setting
recommended by your medical professional.
12. Adjust Output. Turn Amplitude control knob for Channel 1 or 2
clockwise. The indicator will light up while the unit is in
operation. Slowly turn the channel control in a clockwise
direction until you reach the setting recommended by your
medical professional. Repeat for the other channel, if both
channels are to be used.
10
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11
Pulse Width (µs)
180
110
60
250
12
30
230