-3-
17
)
Overloading
Do
not
overload
wall
outlets
and
extension
cords
as
this
can
result
in
a
risk
of
fire
or
electric
shock
.
18
)
Object
and
liquid
entry
Never
push
objects
of
any
kind
into
the
product
through
openings
as
they
may
touch
dangerous
voltage
points
or
short
out
parts
that
could
result
in
fire
or
electric
shock
.
Never
spill
or
spray
any
type
of
liquid
on
the
product
.
19
)
Outdoor
antenna
grounding
If
an
outside
antenna
is
connected
to
the
product
,
be
sure
the
antenna
system
is
grounded
so
as
to
Provide
some
protection
against
voltage
surges
and
built
up
static
charges
.
Section
810
of
the
National
Electric
Code
ANSI
/
NFPA
70
provides
information
with
respect
to
proper
grounding
of
the
mast
and
supporting
structure
,
grounding
of
the
lead
-
in
wire
to
an
antenna
discharge
product
,
size
of
grounding
conductors
,
location
of
antenna
-
discharge
product
,
connection
to
grounding
electrodes
and
requirements
for
the
grounding
electrodes
.
20
)
Service
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
)
Replacement
parts
When
replacement
parts
are
required
,
be
sure
the
service
technician
uses
replacement
parts
specified
by
the
manufacturer
or
those
that
have
the
same
characteristics
as
the
original
parts
.
Unauthorized
substitutions
may
result
in
fire
or
electric
shock
or
other
hazards
.
22
)
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
.
23
)
Wall
or
ceiling
mounting
The
product
should
be
mounted
to
a
wall
or
ceiling
only
as
recommended
by
the
manufacturer
.
24
)
Damage
requiring
service
Unplug
this
product
from
the
wall
outlet
and
refer
service
to
qualified
service
personnel
under
the
following
conditions
.
a
)
When
the
power
-
supply
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
adjustment
of
other
controls
may
result
in
damage
and will
require
extensive
work
by
a
qualified
technician
to
restore
the
product
to
its
normal
operation
.
e
)
If
the product
has
been
dropped
or
the
cabinet
has
been
damaged
.
f
)
When
the
product
exhibits
a
distinct
change
in
performance
-
this
indicates
a
need
for
service
.
25
)
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
.
NOTE: Refer all servicing to qualified service personnel. Servicing is required when
the unit has been damaged in any way such as the following: the power-supply cord
or plug has been damaged, liquid has been spilled into unit, the unit has been
exposed to rain or moisture, the unit has been dropped or the unit does not operate normally.
IMPORTANT
SAFETY
INSTRUCTIONS
Содержание ND-853
Страница 1: ...ND 853 ND 853 ...
