q-
Precautions
Before using
this
unit
please
read these operating
instructions
carefully.
Take
special care
to follow
the
warnings indicated
on
the
unit itself as well as the
safety suggestions
listed
below.
Aftenrvards keep
them handy lor
future
reference.
t
Safety
1. Power
Sourca - The unit should be connected to
power
supply
only of the type described in the
operating
instructions
or as
marked on the unit.
2.
Polarization - lf
the unit
is
equipped with a
polarized
AC
power
plug
(a
plug
having
one blade
wider
than the other),
that
plug
will
fit into the AC
outlet only one way. This is a safety feature. lf
you
are unable to
insert
the
plug
lully into the
outlet,
try reversing the
plug.
ll
the
plug
should still lail to fit, contact
your
electrician to
replace
your
obsolete outlet. Do not defeat the safety
purpose
of
the
polarized plug.
3.
Power
Cold
Plotection
-
AC
power
supply cords should be
routed so that they are not likely
to
be walked on or
pinched
by
items
placed
upon or against them.
Never
take hold of the
plug
or
cord if
your
hand is wet, and always
grasp
the
plug
body when
connecting or disconnecting
it.
4.
Nonuse Periods
-
When the unit
is not
used, tum the
power
off.
When left unused for a long
period
of time, the unit should
be
unplugged
from
the
household AC
outlet.
Insta!!ation
Environmeht
1.
Outdoor Antenna Grounding
--
lf
an ouiside antenna b
connected to the receiver,
be sure the antenna system
b
grounded
so as to
provide
some
protection
against
voltage
surges and built-up
static charges. Section 810 of the Natbnal
Electrical
Code,
ANSI/NFPA
No. 70-1990,
provides
inlormatbn
with
respect
to
proper grounding
of
the mast
and supportirg
structure,
grounding
ol 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. See figure below.
POWER
SERVICE GROUNDING
ELECTROOE
SYSTEM
(NEC
ART
2sO, PABT
H)
NEC-MTEI"AL
ELECTRICAI.
CODE
2. Wabr ad loisture
-
Do not
use this unit near
water-for
exampb,
near
a bathtub, washbowl,
swimming
pool,
or the like.
Darp basements
should also be avoided.
3. Hc.t
-
The
unit should be situated away trom heat
sources
such
as
radabIs
and
the like.
It
abo
strould rct be
flaced
in
temperatures less
than 5"C
(41"F)
agrE*rthan
35t
(95'F).
A
C*rfion
-
Moisture may form
on the lens in the following
calEs
---
o'rrmedaleNy
after a
heater has
been turned
on
.
h
a
steenty
q
rery
trrnil room
o
when the
mit
is
s.tffiy
rnoved from
a cold
environment
to
a
warn
dre.
lf rnoisture
,oflns irsb tis l.rlil,
it
may not
operate
properly.
To
@rrect
this
prdetrl'
tnn
qr
lfp
power
and
wait
about one
turr for
the
moisture
lo eYaporde.
Placement
1. Ventilation
--
The
uln sfiouad be
situated so
that its location
or
position
does
not interfure
rlh ils
proper
ventilation.
Allow
10 cm
(4")
clearance from ttp reardthe
unit.
2. Foreign Material
--
Carc
stELS be taken so that objects do
not
tall
into
and liquids
are
not
spfed
irto the
unit.
Do not
subject
this
unit
to
excessive smoke,
dst ncdanical vibration, or shock.
3.
llagnetlsm
-
The unit
should be
strrated away
lrom
equipment
or
devices that
generate
stong
,nagrEtism.
a.
$acfhg
-
Do not
place
heavy
otiecfs, other
than
system
components,
on
top
of
the
unit.
Surlace
-
Place the unit on a flat, level
surface.
Carts and Stands - The unit should be
used only
with a cart or
stand that is recommended by the manufacturer. The
unit and
cart combination should be moved with care.
Quick stops, excessive
force,
and uneven
surfaces may cause the unit and
cart combi-
nation
to overturn.
7. Wall
or Ceiling Mounting
-
The
unit should
not
be mounted to a
wall
or ceiling, unless specified
in this
operating
instructions.
5.
6.
4