20.
Servicing -
Do
not attempt
to
service this product yourself as
opening or removing covers may expose you to dangerous
voltage or other hazards. Refer
all servicing to qualified service
personnel.
21.
Damage Requiring Service - Unplug this product from the wall
outlet and refer servicing
to
qualified service personnel under the
following conditions:
a.
When the Mains cord
or
plug
is
damaged.
b.
If
liquid has been spilled,
or
objects have fallen into the product.
c.
If the product
has
been exposed to rain or water.
d.
If
the product does not operate normally
by
following
the
operating
instructions. Adjust only 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 product
to
its
normal operation.
e.
If
the product
has
been dropped or damaged
in
any way, and
f.
When the product exhibits a distinct change
in
performance -
this indicates a need for service.
22. Replacement
Parts-
When replacement parts are required,
be
sure the service technician has used replacement parts specified
by the manufacturer or have the same characteristics as the
original part. Unauthorized substitutions may result
in
fire,
electric shock, or other hazards.
23.
Safety
Check-
Upon completion of any service or repairs
to
this
product, ask the service technician
to
perform safety checks
to
determine that the product
is
in
proper operating condition.
24.
Wall or Ceiling Mounting - The product should
be
mounted
to
a
wall or ceiling only as recommended
by
the manufacturer.
25.
Heat - The product should
be
situated away from heat sources
such as radiators, heat registers, stoves, or other products
(including amplifiers) that produce heat.
FIGURE 1
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE, ANSI/NFPA 70
GROUND CLAMPS
GROUND
CLAMP
ANTENNA
LEAD
IN
WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION
81
0-20)
~,..,---...;;;;::...
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
.....
___
~POWER
SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART
H)
NEC - NATIONAL ELECTRICAL CODE
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numerique de
Ia
Classe
Best
conforme a
Ia
norme
NMB-003
du
Canada.
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