Antenna; Speakers; Noise Interference - Cobra 75 WX ST How To Use Manual

75 WX ST Manual(5188) 2/5/01 3:00 PM
Installation
CB Antenna
CB Antenna
Installation
For the most reliable
operation and maximum
range, Cobra recom-
mends using a vertically
polarized, quarter wave
Note
length whip antenna
(illustration A).
Mobile installations (cars,
trucks, boats, etc) should be
Shorter, loaded-type
made only with a non-direc-
whips are adequate when
tional antenna system.
maximum range is not
required (illustration B)
A standard antenna connector
(Type SO-239) is provided on
the Connector Box for easy con-
nection to a standard PL-259
cable termination.
Cobra antenna models are
recommended;see your
local CB dealer or order directly
from Cobra. See order form
on page 39.
For maximum efficiency in boat
installations, a ground plate is
required, unless the vessel has a
steel hull. Consult your CB deal-
er for information regarding an
adequate grounding system.
8
Page 8
A
B
External Speaker Installation
1 Mount external speaker in desired location.
Plug jack into the back of the Connec tor Box
2
labled EXT.
*The exte rnal spe a ker should have 4-8 ohms
i m pe d a n ce and be able to handle at least 4 wat t s.
Ignition Noise Interference
The alternator and ignition system in your vehicle
may limit your ability to receive low signal le vels.
Other noise interference can be the result
of several different installation variables. Consult
your Cobra dealer or a 2-way radio technician to
help locate and correct the source of severe noise
interference.
Installation
External
Speaker
Installation
Ignition Noise
Interference
9