... jack 10.Control button D-7 laser pad jack11.Control button D-8 laser pad jack Machine Panel + Interface1 ... 6 ) shows . Operation steps of Laser Pads1.clean the skin, find the laser treatment pads and belts, then tie ... them up to the treatment area.2.The laser pads control button A ,B,C ,D (each ... is needed for a course.4.According to laser pads control button to adjust Strength and Frequency, ...