G3X Installation Manual – Software, Configuration, Databases, and XM Activation Page 7-23190-01115-01 Revision E7.6 XM Activation Instructions (GDU 375 only)Follow the below instructions to activate the XM receiver in the GDU 375.Before XM Satellite Weather can be used, the service must be activated by calling XM at 1.800.985.9200.Service is activated by providing XM Satellite Radio with a Radio ID. XM Satellite Radio uses the RadioID to send an activation signal that allows the G3X MFD to display weather data an/or entertainmentprogramming. XM service should activate in 45 to 60 minutes.1. The Radio ID can be displayed by accessing the XM Audio Page, and then pressing the INFOSoftkey. Record the Radio ID for reference during XM Activation.2. Make sure that the aircraft's XM antenna has an unobstructed view of the southern sky. It ishighly recommended that the aircraft be outside of and at least 25 feet away from the hangar.3. Hook up the aircraft to external power if available. The complete activation process may take 45-60 minutes or more, depending on the demand on the XM activation system.4. Power on the avionics and allow the G3X to power up. Do not power cycle the unit(s) during theactivation process.5. Go to the XM Info Page. During the activation process the unit may display several differentactivation levels, this is normal and should be ignored. When the service class (Aviator Lite,Aviator, or Aviator Pro) and all of the weather products for the class that you subscribed to aredisplayed, the activation is complete. Wait 30 seconds to allow the GDU 375 to store theactivation before removing power.NOTEDuring the activation process do not change channels or pages.If the XM receiver will not receive, an Activation Refresh may resolve the issue. An Activation Refreshmay be performed by visiting the link http://www.xmradio.com/refresh/rapidrefresh.xmc and followingthe instructions listed there.7.7 GDU Splash ScreenUsers can create a custom splash screen (screen displayed during power up) by storing a bitmap file onthe root directory of the SD card which is inserted into the SD card slot. This function is not available ona single display system. File details are as follows:• File must be named logo.bmp• Must be uncompressed Windows bitmap, 8bpp or 24bpp with no alpha mask• Max size 480x480 pixels• Store file on root directory of an SD card, inserted in the MFD before power on