Garmin G3X Touch Installation Manual page 492

6. At each calibration point (0, 10K, 20K, and optionally 30K ft), the display will present a screen
that allows time to establish the calibration pressure before continuing. For example, the
following screen is presented when it is time to establish the static pressure equal to 20K ft. Press
NEXT to continue and calibrate this pressure.
7. During the calibration at each pressure, the pressure must be held constant for 30 seconds for the
calibration step to be successful. The calibration may be cancelled at any point should the test
setup require adjustment before repeating.
8. When the static pressure calibration is complete, a status screen will show that the procedure was
successful.
190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout
Rev. AC Page 33-22