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d) If the product does not operate normally by following 24
the uperating instructions. Adjust unly those controls
that are covered by the operating instructions as an
improper adjustment of other controls may result in
damage and will often require extensive work by a
qualified technician to restore the pruduct to its normal
operation.
e) If the product has been dropped or damaged in any
way, and
f) When the pruduct exhibits a distinct change in perfor-
mance - this indicates a need fl+rservice.
20 Replacement Parts When replacement parts are required.
be sure the service technician has used replacement parts
specified by the manuDcturer or haxe the same
characteristics as the urigiual part. Unauthorized
substitutions may result in fire. electric shock, or other
hazards.
21 Safety Check Upon completion ol any service ur repairs to
this product, ask lice service lechuician Io perlornc safety /-f
checks Io determine Ihal Ihe product is in pruper operating
condition. /"
22 Wall ur Ceiling Mounting The unit should be mounted
to a wall or ceiling only as recommended by the
maRclfactclrer.
ELEOTIqlC
23 Heat The product should be situated away fi'om heal SERWCE
sources such as radiators, heat registers, stuves, ur other
products (including amplifiers) that produce heat.
Note to CATV system installer:
This reminder is provided to call the CATV system
installer's attention to Article 820-40 of the NEC that
provides guidelines for proper grounding and, in
particular, specifies that the cable ground shall be
connected to the grounding system of the building, as
close to the point of cable entry as practical.
Outdoor Antenna Grounding If an outside antenna or
cable system is connected tu the product, be sure the antmma
or cable system is grounded so as to provide some
protection against voltage surges and built-up static charges.
Article 810 of the National Electrical Code. ANSI/NFPA 7(1.
provides infonnatiun with regard to proper grounding of the
mast and supporting structure, grounding of the lea&in wire
to an antenna discharge unit. size of grounding cunductors.
locatiun of antenna discharge unit. cunuection to grounding
electrudes, and requirements for the grounding electrode.
EXAMPLE OF ANTENNA GROUNDING
(NEC SECTION 810_0)
(NEC SECTION 810_1)
NEC NATIONAL ELECTRICALCODE
ELECTRODE SYSTEM
(NEC ART 25O PARTH)
FCC INFORMATION (for US customers)
1 IMPORTA.NT NOTI(-E: DO NOT MODIFY THIS
UNIT!
This product, when installed as indicated in the
instructions cuntained in this manual, meets FCC
requirements. Modificatiuns not expressly approved by
Yamaha may void yuur authority, granted by the FCC. to
use the product.
IMPORTANT: When connecting this product to
accessuries and/or another pruduct use only high quality
shielded cables. Cahlc/s supplied with this product MUST
be used. Follow all installation instructions. Failure to
fl)llow instructions could void your FCC authorization tu
use this pruduct in the USA.
NOTE: This product has been tested and found to comply
with the requirements listed in FCC Regulations. Part 15
lot Class "B" digital devices. Compliance with these
requirements provides a reasonable level uf assurance thai
your use of this product in a residential environment will
not result in harmlul interference with other electrunic
devices.
This equipment generates/uses radio li'equencies and. if
not installed and used according to the instructions fuund
in the users manual, may cause interference harmlul to the
operation of other electronic devices.
Compliance with FCC regulations does not guarantee that
interli_rence will not uccur in all installations. If this
product is louud to he the source of interference, which
can be determined by turning the unit "OFF" and "ON".
please try to eliminate the problem by using one of the
following measures:
Relocate either this product or the device that is being
affected by the interlcrence.
Utilize puwer outlets that are on dilti_rent branch (circuit
breaker ur flise) circuits or install AC line filter/s.
In the case of radio or TV interference, relucate/reurient
the antenna. If the antenna lead-in is 30(1 uhm ribbon lead.
change the leadqn to cuaxial type cable.
If these corrective measures do not produce satislactory
results, please contact the lucal retailer mlthorized to
distribute this type of product. If you can not locate the
appropriate retailer, please contact Yamaha Electrunics
Corp.. U.S.A. 6660 Orangethorpe Ave.. Buena Park. CA
90620.
The above statements apply ONLY to those products
distributed by Yamaha ( orporation of America or its
subsidiaries.
Caution-ii
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