Yamaha HTR-5250 - Manual (Page 3)

CAUTION
English
B
ASIC OPERA
TION
AD
V
ANCED OPERA
TION
APPENDIX
INTR
ODUCTION
PREP
ARA
TION
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.
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
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.
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 instruc-
tions. 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 Regula-
tions, 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 satisfac-
tory results, please contact the local retailer autho-
rized 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.
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.
SAFETY INSTRUCTIONS
0101V596(UCA)_caution_EN 3/1/0, 1:15 PM 3