It's such a shame you don't have the booklet, it's well written by real experts but I hope this helps you out.
Polarity :- alternating current
Wave form :-Ramp for muscle relaxation or unlocking tense muscles
Square for Lifting and toning
Sine wave is used for improving the circulation of the skin and feathering after the lifting procedure is completed.
The maximum stimulation is the Lip programme on high intensity
The minimum stimulation is the eye programme on low intensity
You have prompted me into giving myself a facial today , hope you get to use yours!