17 Unplug this product from the mains power and telephone line sockets, and refer servicing to qualified Service Personnel under the following conditions:
AWhen the power cord is damaged or frayed.
BIf liquid has been spilled into the product.
CIf the product has been exposed to rain or water.
DIf the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions. Improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.
EIf the product has been dropped or the cabinet has been damaged.
FIf the product exhibits a distinct change in performance, indicating a need for service.
18 To further protect your product against power surges, we recommend the use of a power protection device (Surge Protector). This device is not supplied with this product, and can be found at any reputable Electrical, and Electronic outlet.