NAWAIPERSONAL KEYBOARDWKSO0)-OWNER’S MANUALCare and MaintenanceCongratulations! You are now the proud owner of a Kawai WK50 Personal Keyboard. To keep thisdelicate electronic instrument in top performing condition and ensure years of troublefree playingenjoyment, please observe the following precautions.LocationAvoid continued use or storage in the presence of the following environmental factors as they maycontribute to faulty operation or breakdowns:è Exposure to direct sunlightè Excessive heat or humidityè Sand or dustè Excessive vibrationShort Circuitsè Never allow liquids or foreign objects — especially metallic objects — to fall between the keys. Theycan lead to dangerous short circuits that can damage the instrument — usually’ beyond repair.è Never attempt to disassemble, service, or otherwise modify the internal components. Such willfultampering not only invalidates your warranty, but also entails the risk of a short circuit.Power Supplyè Connect the PS121 or PS123 AC adapter to a power outlet with a voltage matching the one on theratings plate.è Before connecting or disconnecting the power supply, make sure that the POWER switch is OFF.CleaningWipe with a clean, dry cloth. Under no circumstances use benzene, paint thinner, or any other organicsolvents.Battery BackupThe keyboard contains a lithium battery that maintains memory contents even after the main powersupply is removed. This battery normally lasts for four years. Connect your nearest authorized Kawaidealer for a replacement promptly after the four years have elapsed.