3 in 1 Shockwave Treatment Machine 9 Gears 2 Functions Chiropractic Adjustment Deep Muscle Massager Silver 100‑240V EU Plug Item Type: Shockwave Deep Massage Machine Material: ABS Frequency Gear: 9 Gears Power Gear: 9 Gears Function: 2 Functions How e: 3. Control: A: Click "Feature Selection", which is the feature selection button on the gamepad. Thechoice is F1(Shockwave) or F2 (ultrasound treatment). B: When F1(shockwave) is selected, the shockwave energy can be adjusted. (09) indicates that the system does work with an energy of 180mj, click "Energy +" and "Energy -" to adjust. The range is 20-180mj (01-9). O utput stage gear detailed parameters: 9 gears, continuously adjust :20mj-40mj-60mj-80mj-100mj-120mj-140mj-160mj-180mj = (01-9). Choose the energy that works best for you. Then you can adjust the shockwave frequency, click "MODE", that is, the shockwave operating frequency button, click "MODE" continuously to adjust. Value range: 1hz to 9hz. Output frequency gear detailed parameters: 9 gears, continuously adjust: 1 Hz-2 Hz-3 Hz-4 Hz-5 Hz-6 Hz-7 Hz-8 Hz-9 Hz, select the most suitable frequency. Then you can adjust the ultrasound treatment frequency, click "MODE", this is the ultrasound treatment frequency button, continue to click "MODE" to adjust. Mode 1 is work for 1 second, stop for 1 second Mode 2 is work for 2.5 seconds, stop for 3 seconds Finally, click on /OFF, which is the switch button on the handle. Place treatment handle on the part of the body that needs treatment.