Positioning the Antenna

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 3rd 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.

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: