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3.
Antenna
–
connect the included XM antenna to the small
gold jack and position as described in the next section. The
antenna comes with 20 feet of cable. If that is not
sufficient to locate the antenna where there is a strong XM
signal, purchase a 50-foot cable extension kit. Up to two
extensions can be used together for up to 120 total feet of
cable. Alternatively, custom lengths of 50 ohm RG58U may
be used or extension kits available from third party
sources (see enclosed flier).
4. RS232 – an RS232 control port is provided for optional
control of the XM-100 unit from 3
rd
party control systems.
Antex recommends that this connection be used only by
experienced professional installers. Do not connect this
RS232 port to a computer – this connection is NOT
compatible with personal computers. See www.antex.com
for more information about using the RS232 control port.
Positioning the Antenna
The provided XM antenna requires exposure to the
south/southeastern sky for proper signal reception. To position
your antenna, first connect the XM-100 to your audio system
as described above, then follow these instructions.
1. Power on the receiver, verify the power indicator is
illuminated and the display backlight is on. If the message
“CHECK ANTENNA” appears, check that the antenna
connector is fully engaged, an open circuit does not exist
between the receiver and antenna, and that no short
circuit exists in the antenna cable. If the antenna does not
have a clear path to the satellites, the front panel display
will read “NO SIGNAL”.
2. Align the Antenna as follows: