Garmin G3X Installation Manual page 598

32.3 Software Loading Procedure
Software loading is performed in normal mode. See the Garmin
on downloading and installing current software.
procedure.
32.3.1 GDU Software Loading Procedure
1. Power on the GDU in normal mode, then insert the properly formatted SD card into the SD card
slot.
NOTE
It is also acceptable to insert the SD card before powering on the unit.
2. A Software update window will appear on the screen, use the Touch Panel or a Move Selector
Knob to press YES to begin the update.
3. The unit will reboot, then GDU software update will begin automatically.
4. Ensure power is not removed while the update is being performed
5. The unit will reboot after the update is complete.
190-01115-01 G3X/G3X Touch Install Manual - GDU 45X/46X Config and Post Install Checkout
Rev. AA
(G3X SW
Section 32.3.2 describes the GDL 39/39R software load
Page) website for instructions
Page 32-3