Safety Precautions Prior to installation and start-up of the Ultrasonic Scaler, carefully read the instructions provided herein! Precautions for All Systems 1. Do not place the Ultrasonic Scaler on or next to a radiator or other heat source. Excessive heat may damage the Ultrasonic Scaler’s electronics. Place the Ultrasonic Scaler where air is free to circulate on all sides and beneath it. 2. Never operate the Ultrasonic Scaler without water flowing through the handpiece. 3. Always flush your ELiTEDENT® Ultrasonic Scaler system with clean water at least 30 seconds at highest flow after treatment. 4. Do not continuously operate the Ultrasonic Scaler for more than 20 minutes; try 5 minutes down time before reserving. 5. Equipment maintenance is strongly recommended. 6. Close the power switch every night before leaving the office. 7. Used for the intended purpose only. The Ultrasonic Scaler must be used by other than qualified and trained pe…