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Ground Connection - Uniden Barracuda MC-4700 Owner's Manual

10 channel marine am/ssb transceiver
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I
i
i
NOTE: See ground connection
under GENERAL INFORMATION
for more de-
tail.
4. Connect the black wire to ground. Consult a marine electrician if in doubt. Any
convenient location with
good
electrical contact may be used. (remove paint).
5. Mount the microphone hanger on the side of the unit or near the unit, using two
screws supplied. When mounting in a boat, place the hanger on the dash so the
microphone is easily accessible.
GENERAL
INFORMATION
GROUND
CONNECTION
This radio may be installed and used in any 12V DC negative or positive ground
system.
1. Negative ground system: Connect the Red power lead from the radio to the
positive or (+) battery terminal or other convenient point, and connect the Black
power lead to the chassis or vehicle frame or (-) battery terminal.
2. Positive
ground
system: In the case of positive
ground
system, connect the Black
power lead from the radio to the negative
or (-)
battery terminal
or
other con-
venient point, and connect the Red power lead to the chassisor vehicleframe
or
(+)
battery terminal.
.
ANTENNA
This radio is designed to operate into a 52 ohm RADIO antenna. Best results will be
obtained from your transceiver if you use a
good
antenna, properly installed.
A vertically polarized quarter-wavelength
whip antenna provides the most reliable
operation and greater range. The shorter loaded-type whip antennas are more at-
tractive, compact and adequate for applications where the maximum possible dis-
tance is not required. Also, the loaded whip antennas do not present the problems of
height imposed by- the full quarter-wavelength wh ip.
Whip antennas utilize the metal body of the vehicle as a ground plane. When
mounted on a corner of the vehicle, they are slightly directional, in the direction of
the body of the vehicle. For all practical purposes, however, the radiation pattern is
non-clirectional. A slight directional characteristic will be observed only at extreme
distances. A standard antenna connector (Type SO-239) is
provided
on the trans-
ceiver
for
easy connection to a standard PL-259cable termination.
When installed in a boat, the transceiver
will
perform most efficiently when antenna
-6-

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