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Aviation Alerts and Advisories

Service Advisory 1409: GTN 6XX/7XX Occasional Momentary Screen Flicker

AFFECTED PRODUCTS: GTN625 / GTN635 / GTN650 / GTN725 / GTN750 Units with Main Software v3.00 – v5.00

ISSUE: During normal operation, a portion of the GTN display may occasionally exhibit a momentary flicker.  This can occur on any page of the GTN series unit, but does not affect the operation of the unit.

RESOLUTION: Garmin plans to correct this issue in a future software release.

Download 1409A