Software Check; Software Updates - Garmin GPS 175 Maintenance Manual

7.1 Software Check

To check the GPS 175/GNX 375/GNC 355 software version:
1. Power on the GPS 175/GNX 375/GNC 355 in Configuration mode by holding down the inner
knob and pressing the Power/Home key.
2. Touch the System Information button.
3. Observe the installed software version and part number and verify that the version number and part
number matches the approved version listed in the Equipment List.

7.2 Software Updates

Touch the System Information button to determine the current software loaded to the unit. Refer to the
GPS 175/GNX 375/GNC 355 Part 23 AML Equipment List (P/N 005-01206-A2) for the current approved
software for this STC. If the software needs to be updated, a software loader card will need to be created to
update the software. An SD card, SD card reader, and a PC running Windows 2000, XP, Vista, Windows 7,
Windows 8, or Windows 10 are necessary. There is no Mac support currently.
7.2.1 Software Loader Card Instructions
To create a software loader card, perform the following steps:
1. Log in to the Garmin
2. Download the appropriate system software to a PC.
3. Connect an SD card reader to the PC.
4. Insert the SD card into the card reader.
5. Run the *.exe file downloaded from the Dealer Resource Center.
6. Follow the screen prompts to create the loader card.
7. Click the Finish button.
8. Eject the loader card.
7.2.2 Software Update Instructions
To update the GPS 175/GNX 375/GNC 355 software, perform the following steps:
1. Power off the unit.
2. Remove the database card and insert the correct GPS 175/GNX 375/GNC 355 software loader
card into the data card slot. Refer to Section 7.2.1 for creating a software loader card.
3. Power on the unit.
4. The GPS 175/GNX 375/GNC 355 will power on in Configuration mode. Touch the Updates
button to display the available software updates.
5. Verify that the software version being loaded to the GPS 175/GNX 375/GNC 355 matches the
software version listed in GPS 175/GNX 375/GNC 355 Part 23 AML STC Equipment List. The
Updates page displays the software version that is currently installed on the unit and the software
version on the loader card.
6. Touch the software versions or packages to select them for updating. To update the GPS 175/
GNX 375/GNC 355 with all available software, touch the Select All button in the upper-right
corner of the display.
7. To begin the software update, touch the Update button in the lower-right corner of the display.
8. When the updates are complete, power off the unit and re-insert the database card.
190-02207-A2
Rev. 3
Dealer Resource Center.
GPS 175/GNX 375/GNC 355 Part 23 AML STC Maintenance Manual
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