Garmin G1000 Nxi System Maintenance Manual page 104

5. Click on the download symbol for the appropriate Sensor and Main software version part
numbers based upon the information provided in The General Arrangement drawing and
save the files to the local hard drive.
Downloading and Installing the GRA 5500 Retrofit Installation Tool
GRA 5500 configuration, calibration, diagnostics, and software upgrades are performed (in
retrofit/non-GIFD installations) using a personal computer (installed with Microsoft Windows XP
or later) and the GRA 5500 Retrofit Installation Tool, Garmin part number 006-A0451-00. This
tool is also used to assist in the diagnosis and resolution of asserts found in the GRA 5500
assert log during the installation process and during post-installation flight operation. The tool is
available for download from the Dealer Resource Center portion of the Garmin website
(www.garmin.com). See the accompanying "readme" file in the tool installation directory for the
latest instructions.
A standard USB-A plug to USB-B plug commercial cable (not provided)
is required to interface between a personal computer USB-A receptacle
and the GRA 5500 USB-B receptacle installed in the wiring harness.
PC Installation of the Installation Tool:
1. Once downloaded, launch the installation file from the directory in which it is stored (or
use the web browser's download shortcuts).
2. The GRA 5500 Retrofit Installation Tool Setup Wizard will begin.
3. Click "Next" as prompted by the setup wizard, and adjust any settings (e.g. installation
directory) as needed.
4. The last screen of the setup wizard will show "Installation Complete." Click the "Close"
button to close the setup wizard.
GRA 5500 Setup
The following actions must be performed to load the correct software versions and configure the
GRA for the installation:
1. Connect a PC that has the GRA 5500 Retrofit Installation Tool installed to the GRA
5500 via a USB cable to the installed USB Pigtail located near the GRA 5500.
2. Start the GRA 5500 Retrofit Installation Tool from the "Start Menu" shortcut, or launch
the application from its program folder.
3. Power-up the GRA 5500 by applying aircraft power.
4. The connection status in the lower, right-hand corner of the GRA 5500 Retrofit
Installation Tool will transition from "Not Connected," to "Connecting," and finally to
"Connected" once the GRA 5500 is powered.
5. On the Status tab, click "Initiate Calibration Procedure"
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
NOTE
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Revision 1