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Figure 2-1. Data Radio ID and Audio Radio ID Locations
Figure 2-2. MX20 with Full Channel List
7. For GDL 69A units, the audio portion is activated independently from the weather. The activations
will not be simultaneous. Once the data channel is activated, bring up the XM Radio page on the
MX20. This can be accomplished by pressing the FN key until XM is displayed. Press the XM
smart key. A non-activated unit will display only channel 0 (Radio ID), channel 1 (XM Preview) and
channel 247 (Emergency Alert). An activated unit will display the full list of XM channels. Tune to
channel 1, while waiting for audio activation. Wait for the XM display to become populated with the
XM channel list (see Figure 2.2 above for an example of what this looks like).
8. Select an XM channel in order to lock in the radio activation.
Channels 0, 1, and 247 are free preview channels and should not be used for this procedure. Press the
Chan smart key and then press either the Up or Down Arrow key to select a new channel. Wait for
the channel to be displayed in the Active Channel box at the top of the XM display. The XM radio
activation is complete when the channel is displayed.
XM Activation Procedures Page 3
190-00355-04 Rev. H