Garmin MX20, Pilot'S Manual

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Getting Started
Start Up Screen
The Start Up screen is displayed while the MX20 goes through its initialization and testing routines. System
information is shown that provides the MX20 software and database versions. The results of the self test are
shown. A check mark shows that the test passed. If any of the Self-Tests fail (red “x”), contact your dealer or
the factory.
Confirm Current Baro Correction
A window may appear at startup, and then every 30 minutes, that displays the current barometric value. You
must verify the current value or enter a new value. Press
BARO + to increase the value. Press BARO - to
decrease the value. Press OK to confirm the existing values or to accept changes you have just entered.
Start Up and Baro Correction
Barometric Pressure Confirmation
Start Up Screen After Passing Tests