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cable; use protective grommets wherever
rough openings are encountered.
d. If the antenna is mounted outside, route the
cable from the antenna position to the interior
of the home, working the cable through the
basement,under a window sill, etc.; make
adjustments and take up slack whenever
necessary.
e. If outdoors, either leave the antenna in place
atop the JXM900B, or remove the antenna and
find a location free from overhead obstructions
such as tree branches, or the roof of a tent or
other temporary shelter.
f. Plug the antenna cable into the ANT connector
on the back of the Boom Box.
g If not using battery power as the primary power
source, plug the female end of the DC Adapter
cable into the “DC 12V receptacle on the rear of
the Boom Box.
h. Plug the other end of the DC adapter cable
into a 110-volt wall receptacle. Apply power to
the Boom Box and Receiver.
i. You are now ready to enjoy XM programming
outdoors or within your home.
NOTE: Do not cut the antenna cable and attempt to
splice it or attach alternative connectors or
cable. The cable and connectors used in your
JXM900B are specially chosen and attached
at the factory to ensure that they will work
with XM’s unique frequency band. Use an XM-
approved antenna extension kit from your
local consumer electronics retailer. Failure to
do so could damage the unit.
a.Apply power to the JXM900B Boom Box as
outlined previously in section 3b and obtain an
audio output. If no audio is heard, move the
antenna to different positions on the surface
until anaudio output is heard. This is the
desired antenna position and should be
marked.
b.After determining the optimum position, turn
off JXM900B and Receiver power, disconnect the
power adapter from the wall outlet receptacle
(if indoors) and disconnect the antenna cable.
c. When indoors, plan the routing of the antenna
cable to the cradle. Make sure you avoid any
obstructions that could crimp, kink or twist the