190-01499-02 GTX 3X5 Transponder TSO Installation ManualRev. 4 Page 6-416.13 Software Installation ProcedureCAUTIONDo not turn off the unit until “Update Complete” is shown next to all selected items.Failure to do so could result in equipment damage.Use the GTX 3X5 Install Tool through the USB port to install software on the unit.1. Download and launch the latest GTX 3X5/3X5R software from the Dealer Resource Center onGarmin’s website.2. Under “Step 1 - Select a File,” select the Browse key and locate the Boot Block software filecontaining the GTX 3X5/3X5R software previously loaded.3. Under “Step 2 - Upload Options,” select the options to be updated.4. Under “Step 3 - Start Upload,” select the Upload key.5. Wait for the upload to complete. Individual files will be marked as complete as they are installed.6. Under “Step 1 - Select a File,” select the Browse key and locate the Main System software filecontaining the GTX 3X5/3X5R software previously downloaded.7. Under “Step 2 - Upload Options,” select the remaining options to be updated.8. Under “Step 3 - Start Upload,” select the Upload key.9. Wait for the upload to complete. Individual files will be marked as complete as they are installed.10. After successful completion of the update, make sure that the correct software versions and partnumbers show on the Transponder page under the Product Data group. If any software items didnot load, select those items and attempt to upload again.Figure 6-54 Software Upload Page
