1 GENERAL DESCRIPTION
1.1 Scope
The information in this manual is STC approved (STC #SA01487SE). Only the equipment interfaces
covered in this manual are within the scope of this STC. Other equipment may be suitable for use with
the GDL 69/69A, but use of such equipment is beyond the scope of this STC. Additional FAA approval
may be required if equipment not covered in this manual is used to interface to the GDL 69/69A.
This document describes the GDL 69/69A operating with software version 2.13 or later, and the optional
GRT 10/GRC 10 wireless remote system.
Refer to Section 6, Limitations for additional information.
It is possible for installers to seek evaluation and approval of an alternate installation by means of the
field approval process. This manual and all the data contained within may be used by the installer in
pursuit of a field approval.
1.2 Introduction
This manual presents mechanical and electrical installation requirements for installing the datalink
equipment used to deliver XM WX Satellite Weather™ to a variety of Garmin navigation systems. For
audio entertainment in the cockpit, the GDL 69A also provides XM Satellite Radio. If equipped with the
optional GRT 10/GRC 10 wireless remote system, passengers are able to remotely control the audio
functions of the GDL 69A datalink receiver using the GRC 10 wireless remote.
Equipment needed for receiving XM weather and radio:
GDL 69/69A – (datalink receiver)
GA37, GA 55, or GA55A (XM antenna)
GRT 10 (transceiver) –optional
GRC 10 (remote control) – optional
The datalink equipment will operate with any of the following systems or displays. For a complete list of
equipment see Table 1-1.
400W/500W series displays
400/500 series displays
MX20 Multi-Function Display (MFD)
GMX 200 MFD
G1000 Integrated Cockpit System (GDU 104x)
The GDL 69/69A can be integrated into a variety of airframes under an appropriate TC or STC. Each
airframe installation may vary. Interconnect drawings and procedures that are approved by the aircraft-
manufacturer should be used during actual installation.
1.3 Equipment Description
The GDL 69/69A is an XM Satellite Radio data link receiver. The XM Satellite Radio antenna receives
the XM satellite signal and passes it to the GDL 69/69A. The GDL 69 is a weather data receiver and the
GDL 69A is a weather receiver with the addition of XM Satellite Radio audio entertainment. For display
of weather information and control of audio channel and volume, the GDL 69/69A may be interfaced to
the GMX 200 or MX20 MFD or 400/500, 400W/500W series units via an RS-232 bus or the GDU104x
via an Ethernet link. Audio volume and channel changes may also be controlled with mounted optional
switches located in the cabin or by remotely using the GRC 10 wireless remote. The GDL 69A may also
be interfaced to a Garmin audio panel for amplification and distribution of the audio signal.
GDL 69/69A Installation Manual
190-00355-02
Page 1-1
Rev. F
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