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Service Bulletin 2048

Page 7-10

April 24, 2020

Revision B

GNX 375 Main Software Version 3.10 and Transponder Software Version 2.54

Figure 7. GNX 375 Main Software Version 

Figure 8. GNX 375 Transponder Software Version

7. Select the software items to be uploaded. A green check mark will appear next to each software 

item that is selected. 

8. Touch 

Update

 on the bottom right of the display to update the software.

9. A progress screen will show progress towards completing the update. 
10. Once the update is complete, remove power.
11. Remove the software loader card.
12. Put the database card into the SD card slot.
13. Continue to Part Three.

 

 

Summary of Contents for GNC 355

Page 1: ...355 Main Software Version 3 10 REVISION B Added GNX 375 Steps CERTIFICATION AUTHORIZATION TSO Authorization Software for Non Certified Aircraft see Approval section for details ______________________________________________ Note This Service Bulletin is provided solely for the purpose of installing the Subject software in non certified aircraft This Service Bulletin is not intended for software in...

Page 2: ... an issue with GNC 355 carrier squelch setting It is now applied when the value is changed Adds GI 275 support Adds Remote Radio Control Format 1 for GNC 355 ARINC 429 labels are transmitted when in config mode DESCRIPTION This modification consists of accessing the Garmin website and uploading GPS 175 GNX 375 GNC 355 Main Software Version 3 10 to the GPS 175 GNX 375 or GNC 355 COMPLIANCE Optional...

Page 3: ... INFORMATION This modification is not warranty reimbursable Table 2 References Document Number Revision or later Description 190 02207 00 3 GPS 175 TSO Installation Manual 190 02207 04 2 GNX 375 TSO Installation Manual 190 02488 00 2 GNC 355 355A TSO Installation Manual 190 02488 01 A GPS 175 GNC 355 GNX 375 Pilot s Guide ...

Page 4: ...C 355 loader cards contain Main Software Version 3 10 and the following software versions for other product software components Table 3 Software Loader Software Loader Card Software Included 006 B3353 07 010 02089 05 GPS 175 GNX 375 GNC 355 Software GPS 175 Main Board Software Version 3 10 Touch Application Version 2 00 GPS WAAS Board Software Version 8 0 GNX 375 Main Board Software Version 3 10 T...

Page 5: ...Connect the aircraft to ground power NOTE Take steps to prevent accidental power disruptions to the unit during the software loading process NOTE It is highly recommended to record the configuration settings before proceeding 2 Put the 3 10 loader card into the card slot on the right side of the GPS 175 GNX 375 GNC 355 3 Push and hold the inner knob and push the power key to enter Configuration Mo...

Page 6: ...ke sure the On Card software version is shown for each of the following GPS 175 Main Software Version 3 10 Figure 4 GPS 175 Main Software GNC 355 Main Software Version 3 10 and COM Software Version 2 30 Figure 5 GNC 355 Main Software Figure 6 GNC 355 COM Software ...

Page 7: ...on 7 Select the software items to be uploaded A green check mark will appear next to each software item that is selected 8 Touch Update on the bottom right of the display to update the software 9 A progress screen will show progress towards completing the update 10 Once the update is complete remove power 11 Remove the software loader card 12 Put the database card into the SD card slot 13 Continue...

Page 8: ...n 8 0 Transponder Software Version 2 54 GNC 355 Main Software Version 3 03 GPS WAAS Software Version 8 0 Com Software Version 2 30 5 Power off the unit 6 Push and hold the inner knob and push the power key to enter Configuration Mode 7 Inspect configuration settings to make sure configuration settings are retained though the software update Correct as necessary For the GNX 375 Only 8 Inspect Diagn...

Page 9: ...age 9 10 April 24 2020 Revision B 10 Touch Setup Figure 11 Setup 11 Touch XPDR Figure 12 XPDR 12 Touch Clear XPDR Settings Figure 13 Clear XPDR Settings 13 Touch OK to reset all XPDR Settings Figure 14 Reset All XPDR Settings ...

Page 10: ...NX 375 GNC 355 installation to service MATERIAL INFORMATION The GPS 175 GNX 375 GNC 355 Software Loader Image GPS 175 GNX 375 GNC 355 SW Data Card 010 02089 04 Use the instructions in section 7 2 1 of GPS 175 TSO Installation Manual 190 02207 00 GNX 375 TSO Installation manual 190 02207 04 or GNC 355 TSO Installation Manual 190 02488 00 to make a loader card Printed pilots guides can be ordered th...

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