General DescriptionGDL 69/69A Installation Manual Page 1-3190-00355-02 Revision E1.6 XM Satellite RadioWelcome to the Next Generation of Radio. America's most popular satellite radio service gives you thepower to choose what you want to hear - wherever and whenever you want it around the ContinentalUnited States.XM Satellite Radio provides commercial-free music channels, channels of news, sports, talk andentertainment, dedicated channels of instant traffic and weather, the deepest play list in the industry withaccess to over 2 million titles, and coast-to-coast coverage. XM features digital quality audio.Subscriptions to XM Satellite Radio weather and audio entertainment services are required before theGDL 69/69A can be activated for the first use. Refer to Section 4.5 for instructions for activating yourunit.NOTEIt is prohibited to copy, decompile, disassemble, reverse engineer, or manipulate any technologyincorporated in receivers compatible with the XM Satellite Radio system. Furthermore, theAMBE(R) voice compression software included in this product is protected by intellectualproperty rights including patent rights, copyrights, and trade secrets of Digital Voice Systems,Inc. The user of this or any other software contained in an XM Satellite Radio is explicitlyprohibited from attempting to copy, decompile, reverse engineer, or disassemble the object code,or in any other way convert the object code into human-readable form. The software is licensedsolely for use within this product.1.7 Interface SummaryThe following list is an interface summary for the GDL 69/69A units. Note that the GDL 69 does nothave the audio interface.• 3 RS-232 Inputs/Outputs• 4 Ethernet Inputs/Outputs• 5 Audio Discrete Control Inputs (Volume Up, Volume Down, Channel Up, Channel Down,Mute)• 6 Audio Suppression Inputs (3 Active High, 3 Active Low)• 1 Stereo Audio Output (Left Audio, Right Audio with internal volume control)• 1 Remote Power On/Off Discrete Input• 2 Other Discrete Inputs (Reserved for Future Use)• Configuration Module (for storing aircraft configuration data)• Aircraft Power Input (Power-on controlled by aircraft avionics power bus)