Garmin G3X Installation Manual page 717

32.4.20.1 GDU 45X/46X Test Procedure
GPS Receiver Signal Acquisition Test:
1. Power on unit (normal mode) and use the Touch Panel or a Move Selector Knob to select the Info
Page.
2. Verify that the GPS receiver is functional and able to calculate its present position.
Test the GPS Receiver for COM Interference:
This test must be conducted outside, as the use of a GPS repeater inside a hangar may result in a failed test.
After the preceding signal acquisition test has been completed successfully, perform the following steps:
1. Power on the unit in configuration mode and use the Touch Panel or a Move Selector Knob to view
GPS Status on the System Information Page.
190-01115-01 G3X/G3X Touch Install Manual - GDU 45X/46X Config and Post Install Checkout
Rev. AA Page 32-122