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Updates & Downloads


GPS175/GNC355/GNX375 - Service Bulletin 23110, Rev A Document software version 3.22

as of October 31, 2023

Download (440 KB)

View installation instructions

Notes:


Installation Instructions

  1. The application requires Windows 2000, XP, Vista, Windows 7, or Windows 10. Mac computers are not supported.
  2. Download Software Version 3353.0D (006-B3353-0D).
  3. Make sure an SD card reader is connected to the PC.
  4. Put the GTN Downloadable Software SD Card (010-01000-00) in the card reader.
  5. Run the executable file that was downloaded in Step 2.
  6. Follow the onscreen prompts to create a software loader card.
  7. Select Finish to complete the process.
  8. Eject the card from the card reader. The software loader card is now ready to use.