(2016) Service Bulletin 1642 Rev A: Software Version 3.20 available for GTX 3000 units (not applicable to Integrated Flight Deck installations)

PRODUCTS AFFECTED:
 This bulletin is applicable to GTX 3000 units with software version 3.10 or previous software versions not installed in a Garmin Integrated Flight Deck system (G5000, G3000, G2000, G1000, G1000H, G950, G900X, Cirrus Perspective™, and Embraer Prodigy® Integrated Flight Deck Systems).

CERTIFICATION AUTHORIZATION:
 TSO Authorization

COMPLIANCE:
 Optional – TSO Service Bulletin 1642 may be incorporated at the owner’s discretion and is not warranty reimburseable.

PURPOSE:
 This Service Bulletin incorporates new unit Software Version 3.20 for GTX 3000 units. Software Version 3.20 incorporates the following functionality:

• Ensure proper CDU maintenance reporting in ProLine installations
• Ensure proper AFCS mode reporting in EHS registers when using the A429 AFCS input format