7PRECAUTIONS• Refer all work related to installation of this productto qualified service personnel or system installers.• Turning On the PowerTurn on the unit before the amplifier is turned on.• Turning Off the PowerTurn off the amplifier first, and then turn off the unit.• ConnectionSwitch off the amplifier, the unit and any other devicesbefore connection to prevent speaker damage.• Do not attempt to disassemble the appliance.To prevent electric shock, do not remove screws orcovers.There are no user-serviceable parts inside. Refer main-tenance to qualified service personnel.• Handle the appliance with care.Do not strike or shake, as this may damage the appli-ance.• Do not expose the appliance to water or moisture,nor try to operate in wet water.Do take immediate action if the appliance becomeswet. Turn the power off and refer servicing to qualifiedservice personnel. Moisture can damage the applianceand also cause electric shock.• Do not use strong abrasive detergent when cleaningthe appliance body.Use a dry cloth to clean the appliance when it is dirty.When the dirt is hard to remove, use a mild detergentand wipe it gently.• Do not operate the appliance beyond its specifiedtemperature, humidity or power source ratings.Do not use the appliance in an extreme environmentwhere high temperature or high humidity exists.Use the appliance at temperatures within 0 °C - +45 °C(32 °F - 113 °F) and a humidity below 90 %.The input power source for WR-XS3 is 120 V AC, 60 Hzor 220 - 240 V AC, 50 Hz.** Power supply is not switchable but conformed to yourarea.