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(2013) Service Bulletin 1321: GTN 625/GTN 635/GTN 650/GTN 725/GTN 750 Software Upgrade to Software Version 4.10, COM Software Version 2.11, and GMA 35 Software Version 3.05


CERTIFICATION APPROVAL: TSO Authorization

COMPLIANCE

Optional

PURPOSE

This Service Bulletin announces the availability of GTN 6XX/7XX Main Software Version 4.10. It also re-iterates the availability of GTN 6XX/7XX COM Software Version 2.11 and GMA 35 Software Version 3.05.

GTN 6XX/7XX Main Software Version 4.10 includes the capabilities and features that were incorporated into Software Version 4.00 and a number of new features and capabilities:

  • Added in GTN 6XX/7XX Main Software Version 4.00 (see SSB 1314 for more details): 
    • Features and configurations to support Helicopters 
    • Added support for enhanced lighting curves for backlight and keypad lighting 
    • Added enhanced Map Range Ring markings 
    • Added support for metric fuel units 
    • Increased allowable manual input of fuel flow and quantity 
  • Added in GTN 6XX/7XX Main Software Version 4.10: 
    • Added support for UTM/MGRS coordinate position format 
    • Added ability to use sensor data for the DALT/TAS/Winds, Trip Planning, and Fuel Planning utilities pages 
    • Added support to upload GWX 70 software from the GTN 

COM Software Version 2.11 contains the following change from Version 2.10: 

  • Added changes to support future removal of limitation that precludes 16W installations in 14 volt aircraft 

GMA 35 Software Version 3.05 contains the following changes from Version 2.20:

  • Improved compatibility with KFC/KAP autopilot systems (Service Advisory 1211, Installation Bulletin 1213) 
  • Adjusted relative volume during 3D Audio mode

DESCRIPTION

This software service bulletin describes the process for upgrading the GTN 6XX/7XX Series Unit’s Main Software to Version 4.10 and other software versions listed above in the Purpose Section of this bulletin. 

PRODUCTS AFFECTED


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