Garmin G3X Pilot's Manual page 44

System Overview
If a display failure occurs with the GDU 375, the WX and XM Pages will no longer
be available since the XM receiver resides in the GDU 375.
• Multi-Display (Normal Mode)
– In normal mode an example Multi-Display system includes a pilot-side PFD
(PFD1), MFD, and co-pilot side PFD (PFD2). PFD1 can also be configured as a
split-screen. PFD2 can be configured as a split-screen or PFD/MFD (full-screen
PFD page and full-screen MFD pages without split-screen)
PFD1
22
G3X Full-Screen Reversionary Mode (Failed PFD)
MFD
G3X Multi-display Normal Mode (example)
Garmin G3X Pilot's Guide
PFD2
190-01115-00 Rev. K