Garmin G3X Installation Manual page 44

4.6 Mounting Requirements
Mount the GSU 73 with the connectors aligned within 1.0 deg of either the longitudinal or lateral axis of
the aircraft. The direction of the unit will be accounted for during the calibration procedure as shown in
Figure 4-3.
Figure 4-3. GSU 73 Orientation Calibration
Page 4-6 G3X Installation Manual – GSU 73
Revision E 190-01115-01