Panasonic EP3203-U1 Service Manual page 5

Width adjustment
Approx.50 to 210 mm (2.4in. to 8.3in.)
Intensity adjustment
Shiatsu, Swedish, Knead, vibration, Tap A, Tap B, Tap C, whole back roll, and
Regional roll (from gentle to strong)
:50mm(2.4in.)-wide adjustability where massage heads push out toward body as
intensity increases.
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