B. Antenna and grounding
(A) Antenna
Installation of antenna and grounding is important for opti-
mum reception of short-wave, broadcast or amateur radio
signals. A good outdoor antenna will provide the best re-
sults.
Caution:
Protect your Equipment
Use a LIGHTNING ARRES-
TOR.
Note:
A simple method is to install the wire antenna as high as
possible, it must be extended to its full length for good re-
sults.
ANT 1: UHF coaxial antenna connector
Use a low impedance antenna. The antenna
feeder should be a coaxial cable equipped with a
PL-259 connector.
ANT 2: 500-ohm antenna terminal
Connect a high impedance antenna such as a
long wire antenna.
50-ohm antenna terminai
Connect a low impedance antenna.
Note:
To connect both 500-ohm and 50-ohm antenna terminals
at the same time may cause the receiving sensitivity
worse.
VHF ANT connector (Optional VC-20 VHF Converter
is required for VHF reception.)
When an outdoor antenna is used the antenna feeder
should be a coaxial cable equipped with a UHF connector.
Caution:
The VC-20 VHF Converter Unit should be installed by qua-
lified service personnel to prevent personal injury or da-
mage to the equipment.
(B) Grounding
Making a good earth connection is important for prevent-
ing dangers such as electric shock. Bury a commercially
available ground rod or copper plate under the ground and
connect it to the GND terminal. A thick wire, cut as short
as possible, should be used for the connection. To make a
good earth connection, connect the GND terminal to a
grounded metal water pipe.
Caution:
Never use a gas pipe or electrical conduit pipe.
Note:
A city water pipe cannot be used as a good earth in some
cases.
C. External speaker
The R-5000 includes a built-in speaker.
If you would like
good audio quality.
If you plan on using a speaker other
to use an external speaker, such as the SP-430, it may be
than the SP-430 it should be equipped with a miniature
connected to the EXT SP jack on the rear of the radio. The
phone jack plug.
speaker may be any good 8 ohm permanent magnet type
The internal speaker is disabled when the external speaker
speaker.
The diameter should be at least 4 inches for
plug is inserted into the receptacle.
A. Headphones
B. Tape recorder
Any low-impedance (4 -
16 ohms) headphones may be
This terminal may be used for recording broadcasts on
used with the R-5000. Connect the headphones to the
tape. Connect it to the LINE IN jack of your tape recorder.
front-panel phone jack.
The output level at this terminal is constant, regardless on
The optional HS-5 or HS-6 headphones are best suited for
use with the R-5000. Stereo type headphones can also be
used.
the AF gain control setting.
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