Caution-ii EnIMPORTANT SAFETY INSTRUCTIONSd) If the product does not operate normally by followingthe operating instructions. Adjust only those controlsthat are covered by the operating instructions as animproper adjustment of other controls may result indamage and will often require extensive work by aqualified technician to restore the product to its normaloperation,e) If the product has been dropped or damaged in anyway, andf) When the product exhibits a distinct change inperformance - this indicates a need for service.20 Replacement Parts – When replacement parts are required,be sure the service technician has used replacement partsspecified by the manufacturer or have the samecharacteristics as the original part. Unauthorizedsubstitutions may result in fire, electric shock, or otherhazards.21 Safety Check – Upon completion of any service or repairs tothis product, ask the service technician to perform safetychecks to determine that the product is in proper operatingcondition.22 Wall or Ceiling Mounting – The unit should be mountedto a wall or ceiling only as recommended by themanufacturer.23 Heat – The product should be situated away from heatsources such as radiators, heat registers, stoves, or otherproducts (including amplifiers) that produce heat.24 Outdoor Antenna Grounding – If an outside antenna orcable system is connected to the product, be sure the antennaor cable system is grounded so as to provide someprotection against voltage surges and built-up static charges.Article 810 of the National Electrical Code, ANSI/NFPA 70,provides information with regard to proper grounding of themast and supporting structure, grounding of the lead-in wireto an antenna discharge unit, size of grounding conductors,location of antenna discharge unit, connection to groundingelectrodes, and requirements for the grounding electrode.Note to CATV system installer:This reminder is provided to call the CATV systeminstaller’s attention to Article 820-40 of the NEC thatprovides guidelines for proper grounding and, inparticular, specifies that the cable ground shall beconnected to the grounding system of the building, asclose to the point of cable entry as practical.EXAMPLE OF ANTENNA GROUNDINGMASTGROUNDCLAMPANTENNALEAD INWIREANTENNADISCHARGE UNIT(NEC SECTION 810–20)GROUNDING CONDUCTORS(NEC SECTION 810–21)GROUND CLAMPSPOWER SERVICE GROUNDINGELECTRODE SYSTEM(NEC ART 250. PART H)ELECTRICSERVICEEQUIPMENTNEC – NATIONAL ELECTRICAL CODEFCC INFORMATION (for US customers)1 IMPORTANT NOTICE: DO NOT MODIFY THISUNIT!This product, when installed as indicated in theinstructions contained in this manual, meets FCCrequirements. Modifications not expressly approved byYamaha may void your authority, granted by the FCC, touse the product.2 IMPORTANT: When connecting this product toaccessories and/or another product use only high qualityshielded cables. Cable/s supplied with this product MUSTbe used. Follow all installation instructions. Failure tofollow instructions could void your FCC authorization touse this product in the USA.3 NOTE: This product has been tested and found to complywith the requirements listed in FCC Regulations, Part 15for Class “B” digital devices. Compliance with theserequirements provides a reasonable level of assurance thatyour use of this product in a residential environment willnot result in harmful interference with other electronicdevices.This equipment generates/uses radio frequencies and, ifnot installed and used according to the instructions foundin the users manual, may cause interference harmful to theoperation of other electronic devices.Compliance with FCC regulations does not guarantee thatinterference will not occur in all installations. If thisproduct is found to be the source of interference, whichcan be determined by turning the unit “OFF” and “ON”,please try to eliminate the problem by using one of thefollowing measures:Relocate either this product or the device that is beingaffected by the interference.Utilize power outlets that are on different branch (circuitbreaker or fuse) circuits or install AC line filter/s.In the case of radio or TV interference, relocate/reorientthe antenna. If the antenna lead-in is 300 ohm ribbon lead,change the lead-in to coaxial type cable.If these corrective measures do not produce satisfactoryresults, please contact the local retailer authorized todistribute this type of product. If you can not locate theappropriate retailer, please contact Yamaha ElectronicsCorp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA90620.The above statements apply ONLY to those productsdistributed by Yamaha Corporation of America or itssubsidiaries.