Prorelax TENS + EMS SUPER DUO PLUS Operating Instructions Manual page 154

Selecting the Therapy Intensity Level
1.Intensity is adjustable according to the channel selected.
Select the channel you wish to adjust by pressing Ch button, it
will flash on the display.
2.To increase or decrease the intensity, press Up + (to increase) or Down –
(to decrease) repeatedly until the desired intensity level flashes on the display.
Note: You will feel the intensity increase or decrease as you select the intensity
level. You can use this as a guide to select a level that is comfortable for you.
Note: If you change therapy mode/program during the course of a therapy session,
the intensity level will reset to "0" showing on the screen, for safety reason.
3. Press MODE to save your selection.
Selecting the Therapy Intensity Level
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