2.6 Troubleshooting Information
If XM satellite information is not available on control display unit, consult the Troubleshooting section
contained in the GDL 69/69A Installation Manual, listed under reference documentation in paragraph 2.1
of this document.
2.7 Removal and Replacement Information
The mounting location of the GDL 69/69A and GRT 10 may vary between aircraft listed on the STC
Approved Model List. As depicted in the installation manual, some of the preferred locations are in the
forward electronics bay, the aft avionics shelf, or mounted beneath the seat.
If the GDL 69/69A unit is removed and reinstalled, verify that the GDL 69/69A the unit operation by
viewing XM Satellite information on the control display unit, or by checking the XM Information or XM
Status page on the control display unit. If the GDL 69/69A unit is removed for repair and reinstalled, or if
the GDL 69/69A unit is removed and replaced with a different GDL 69/69A unit, the GDL 69/69A XM
radio service may require re-activation. Follow instructions in the Installation Manual (listed under
reference documentation in section 2.1 of this document) "Activation with XM Satellite Radio".
If the GRT 10 or GRC 10 is replaced, the GRC 10 Remote Controller must be configured to recognize
the GRT 10 Transceiver. Refer to the GDL 69/69A Installation Manual for instructions.
If any work has been done on the aircraft that could affect the system wiring, antenna cable, or any
interconnected equipment, verify the GDL 69/69A unit operation by viewing XM Satellite information on
the control display unit, or by checking the XM Information or XM Status page on the control display unit.
Verify the GRT 10 and GRC 10 unit operation by viewing XM radio channel information on the GRC 10
display.
If any new aircraft navigation or communication system is installed (GPS, Nav or Comm radio for
example,) or a change is made to the existing configuration (e.g. antenna changed or moved,) in the
aircraft after the GRC 10/GRT 10 has been installed, conduct the GRC 10/GRT 10 Post Install Checkout
Procedure verification as described in the GDL 69/69A Installation Manual, Section 4.7.
Note: There are no special handling requirements for the GDL 69/69A.
2.8 Diagrams
Refer to the GDL 69/69A Installation Manual (listed under reference documentation in section 2.1 of this
document) for drawings applicable to this installation. Wiring diagrams are in Appendix D of the
GDL 69/69A Installation Manual.
2.9 Special Inspection Requirements
None.
2.10 Application of Protective Treatments
None.
2.11 Data Relative to Structural Fasteners
None.
GDL 69/69A XM Satellite Radio
Instructions for Continued Airworthiness
190-00355-00 Rev.E
Page 7 of 8
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