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19 For US customers only:
Outdoor Antenna Grounding – If an outside antenna
is connected to this unit, be sure the antenna 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 70,
provides information with regard to proper grounding
of the mast and supporting structure, grounding of the
lead-in wire to an antenna discharge unit, size of
grounding conductors, location of antenna discharge
unit, connection to grounding electrodes, and
requirements for the grounding electrode.
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.
EXAMPLE OF ANTENNA GROUNDING
MAST
GROUND
CLAMP
ANTENNA
LEAD IN
WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810–20)
GROUNDING CONDUCTORS
(NEC SECTION 810–21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
ELECTRIC
SERVICE
EQUIPMENT
NEC
– NATIONAL ELECTRICAL CODE
FCC INFORMATION (for US customers only)
1. IMPORTANT NOTICE : DO NOT MODIFY
THIS UNIT!
This product, when installed as indicated in the
instructions contained in this manual, meets FCC
requirements. Modifications not expressly
approved by Yamaha may void your authority,
granted by the FCC, to use the product.
2. IMPORTANT : When connecting this product to
accessories and/or another product use only high
quality shielded cables. Cable/s supplied with this
product MUST be used. Follow all installation
instructions. Failure to follow instructions could
void your FCC authorization to use this product in
the USA.
3. NOTE : This product has been tested and found
to comply with the requirements listed in FCC
Regulations, Part 15 for Class “B” digital devices.
Compliance with these requirements provides a
reasonable level of assurance that your use of this
product in a residential environment will not result
in harmful interference with other electronic
devices.
This equipment generates/uses radio frequencies
and, if not installed and used according to the
instructions found in the users manual, may cause
interference harmful to the operation of other
electronic devices.
Compliance with FCC regulations does not
guarantee that interference will not occur in all
installations. If this product is found to be 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 interference.
Utilize power outlets that are on different branch
(circuit breaker or fuse) circuits or install AC line
filter/s.
In the case of radio or TV interference, relocate/
reorient the 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
satisfactory results, please contact the local
retailer authorized to distribute this type of
product. If you can not locate the appropriate
retailer, please contact Yamaha Electronics Corp.,
U.S.A. 6660 Orangethorpe Ave, Buena Park, CA
90620.
The above statements apply ONLY to those
products distributed by Yamaha Corporation of
America or its subsidiaries.
We Want You Listening For A Lifetime
YAMAHA and the Electronic Industries Association’s Consumer
Electronics Group want you to get the most out of your
equipment by playing it at a safe level. One that lets the sound
come through loud and clear without annoying blaring or
distortion – and, most importantly, without affecting your
sensitive hearing.
Since hearing damage from loud sounds is often
undetectable until it is too late, YAMAHA and the
Electronic Industries Association’s Consumer
Electronics Group recommend you to avoid
prolonged exposure from excessive volume levels.
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