http://www.garmin.com/...onInstructions.pdf
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MX20 - GDL 69/69A Activation »•
Accessing the MX20 Activation Page »•
Test the GDL69/69A with the MX20 »•
000 – GDL 69/69A Activation »•
Verify the Radios are Ready to be Activated »•
Verifying Subscribed Services »•
GNS 430/530 – GDL69 Activation »•
Verify Signal Reception »•
Verify XM Subscribed Services »•
Verify Graphical METAR »•
Verify Temperature/Dewpoints »View All
