IntroductionPulse 2 User Manual 10the power off, unplug the device and consult a qua-lified repair center.Maintenance• Do not open the device or remove the cover. Referall service and repair tasks to qualified personnel.There are no user serviceable parts inside the chas-sis.• Use only a dry, soft cloth or brush to clean the de-vice. Never use alcohol, cleaning solutions or simi-lar chemicals. They will damage the surface of thechassis.Proper UseThis device is designed exclusively to produce low-frequency audio signals for the purpose of generatingsound. Any other use is prohibited and voids the war-ranty extended by Waldorf Music. Waldorf Music is notliable for damages due to incorrect use.m Do not leave your Pulse 2 near children, mothers-in-law or pets. This could lead to critical interac-tions.