Garmin G3X Pilot's Manual page 306

Additional Features
Selecting and controlling an electrical device from the list:
1) With the VP-X Page displayed, press the FMS Joystick to activate the cursor.
2) Move the FMS Joystick to highlight the desired device.
3) Using the device sensitive softkeys select the desired function.
Or:
Select 'RESET' to reset a faulted device.
Device
ON
Device
OFF
Device
Fault
286
Vertical Power (VP-X) Page
Garmin G3X Pilot's Guide
System
Schematic
Fault
Description
190-01115-00 Rev. J