PRODUCTS AFFECTED:
GMA 342 (011-03520-10) and GMA 345 (011-03520-00) units with Software Version 2.00 (or earlier) are affected.
CERTIFICATION APPROVAL:
TSO Authorization
COMPLIANCE:
Optional: This Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.
PURPOSE:
Software Version 2.10 fixes a problem during power-up that results in high music volume for the pilot, copilot, and passengers.