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Aviation Alerts and Advisories

Service Advisory 1503: GTN 6XX/7XX Checklist Page User Field

 GTN625 / GTN635 / GTN650 / GTN725 / GTN750

 Configuring a Checklist Page shortcut in the User Fields will cause the GTN boot-up sequence to fail at the Garmin splash screen during subsequent power cycles.

 Do not configure a Checklist Page shortcut in the affected User Fields, shown above.

 If a GTN boot-up sequence fails at the Garmin splash screen, contact a Garmin Authorized Dealer to schedule a service appointment.  If the boot-up failure is caused by the Checklist Page shortcut, powering the unit with a Main Software Version 5.00 software loader card inserted will automatically restore User Field default settings and enable a normal boot-up.  Main Software Version 5.00 does not need to be installed and installer configuration settings do not need to be changed.

Download 1503A