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Installation
Environment
1. Outdoor
Antenna
Grounding
-- If an outside
antenna
is
2. Water and Moisture -- Do not use this unit near water—for
connected
to the receiver,
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
Electrical Code, ANSI/NFPA No. 70-1990, provides information
with respect to proper grounding of the mast and supporting
structure, grounding of the lead-in wire to an antenna discharge
example, near a bathtub, washbowl, swimming pool, or the like.
Damp basements should also be avoided.
. Heat -- The unit should be situated away from heat sources such
as radiators and the like.
It also should not be placed in temperatures less than 5°C (41°F)
or greater than 35°C (95°F).
unit, size of grounding conductors, location of antenna-discharge
unit, connection to grounding electrodes, and requirements for
the grounding electrode. See figure below.
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)
NEC—NATIONAL ELECTRICAL CODE
Placement
1. Ventilation -- The unit should be situated so that its jocation or
position does not intertere with its proper ventilation. Allow 10 cm
(4") clearance from the rear of the unit.
2. Foreign Material -- Care should be taken so that objects do not
fall into and liquids are not spilled into the unit. Do not subject this
unit to excessive smoke, dust, mechanical vibration, or shock.
3. Magnetism -- The unit should be situated away from equipment
or devices that generate strong magnetism.
4. Stacking -- Do not place heavy objects, other than system
components, on top of the unit.
5. Surface -- Place the unit on a flat, level surface.
6. 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.
-Maintenance
Clean the cabinet, panel and controls with a soft cloth lightly
moistened with mild detergent solution.
Do not use any type of abrasive pad, scouring powder or solvent
such as alcohol or benzine.
Service
1. Damage Requiring Service -- The unit should be serviced by
qualified service personnel when:
(a) The AC power supply cord or the plug has been damaged; or
(b) Objects have fallen or liquid has been spilled into the unit; or
(c) The unit has been exposed to rain; or
(d) The unit does not appear to operate normally or exhibits a
marked change in performance; or
(e) The unit has been dropped, or the enclosure damaged.
2. Servicing -- The user should not attempt to service the unit
beyond that described in the operating instructions. All other
servicing should be referred to qualified service personnel.
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