Pioneer SX-201 Інструкція з експлуатації Посібник з експлуатації - Сторінка 3
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CHECKING ACCESSORY ITEMS
FM Antenna
Remote control unit
Dry cell battery (SIZE "AAA" (RO3/UM-4})
{SX-311R, SX-251R}
(SX-311R, SX-251R)
Setting up the AM Antenna
* Insert the claw on the bottom of the antenna into the groove in
the leg.
* Place the antenna on a level surface and rotate it to locate the
orientation that yields the best 'reception,
¢ To permanently
fix the antenna,
screw
the leg to a wall or
something similar before assembling (fixing the antenna in the
direction that gives the best reception).
EXTERNAL FM ANTENNA
The main advantage of FM over AM is the quality of the broad-
cast signal. In order to benefit fully from the high signal quality of
FM broadcasts, it is recommended that a special-purpose FM an-
tenna be installed. In weak signal areas, a multi-element (3 ele-
ment, 5 element,
7 element, etc.) antenna should be used.
FM OUTDOOR ANTENNA CONNECTIONS
There are two ways of connecting the FM antenna to the antenna
input terminals: with a 300 & twin-tead feeder or with a 75 Q
coaxial cable.
To get the most from the receiver performance, a 75 Q coaxial ca-
ble is recommended since it is more immune than the twin-lead
feeder to noise and interference from external sources. If an FM
antenna has already been erected outdoors, connect it, referring
to the figure.
GROUNDING
Grounding is recommended
if reception of FM programs is im-
paired by noise. To ground, connect a thick polyvinyl insulated
wire to the GND terminal and attach the other end to a metal
water pipe or grounding bar or wind it around a copper plate and
bury it.
75 Q unbalanced
NOTE:
terminals
Never connect a wire to a gas pipe for grounding since sparks
may ignite the gas.
EXTERNAL AM ANTENNA
If it is not possible to obtain adequate AM
reception even by
changing the orientation of the AM loop antenna, a separate in-
door antenna, or an outdoor antenna should be installed.
INDOOR AM ANTENNA
Use a vinyl insulated wire (5 — 6m:17
— 20 feet} and connect
one end to the AM antenna terminal and affix the other end to the
wall or ceiling, as high as possible.
Shield
(~}
/
Core (+)
Unit; mm
Shield
Ground
Outdoor AM antenna
AM indoor antenna
(Polyvinyl insulated wire)
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OUTDOOR AM ANTENNA
If reception quality is not improved sufficiently even when an in-
door antenna is used, a viny! insulated wire should be installed
outside and fixed in place.
NOTE:
Do not detach the AM loop antenna when using an indoor or an
outdoor AM antenna.
AM foop antenna
3
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