190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout
Rev. AC
Page 33-8
33.4.3
ADAHRS (Air Data, Attitude, and Heading Reference System) Configuration Page
The ADAHRS Configuration Page is used to perform post-installation calibration for both the GSU 25
and/or GSU 73 (as applicable).
1. In configuration mode, use the FMS Joystick to select the ADAHRS Page.
2. Use the FMS Joystick to select the desired configurable item and make the desired change. Then
press the ENT Key or use the FMS Joystick to select the next item. Press the FMS Joystick to
move the cursor to the page selection menu when finished.
Air Data, Attitude, and Heading Reference System
–The ADAHRS Status, GPS Data, and Air Data
checkboxes confirm operational status of these LRUs with a green check, no green check indicates no
communication with LRU.
1. Use the FMS Joystick to select which ADAHRS (1, 2 or 3) is being configured.
Calibration Procedures
(SW loading procedure) and the following sections (Post
Installation Calibration Procedures) for further information regarding the ADAHRS Configuration Page.
After mechanical and electrical installation of the GSU 25/GSU 73 ADAHRS has been completed, prior to
operation, a set of post-installation calibration procedures must be carried out on the ADAHRS
Calibration page.
The calibration procedures (
–
) require that certain status boxes on the
ADAHRS page (configuration mode) indicate a positive state (green check marks) before starting the
procedure.
and
list the status box requirements for each calibration procedure.