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  #1  
Old 12-02-2022, 10:24 AM
rcarsey's Avatar
rcarsey rcarsey is offline
 
Join Date: Jul 2012
Location: North Brunswick, NJ
Posts: 406
Default G3x upgrade to 9.12 and Transponder update

I know there will be people who will want to wait until the factory blesses the new Garmin G3x v9.12 upgrade.. but I'll give you my impressions so far on it for those who want to trailblaze a little.

Although not recommended by Garmin, I use the same SD card for everything (software updates, databases, saving log files). I also use a 32gb card, though they recommend 8gb. It doesn't seem to be a problem though. I ran the 9.12 installer, and it dumped the files onto the SD card.. so simple even a caveman can do it. Pop the card into the G3x, it detects newer software, and it updates. All the avionics were turned ON during the upgrade. It took less than 5 minutes. Although the update will apparently travel over the CANbus to the other G3x (if you have dual screens), I updated each screen individually.

Garmin is now also publishing the transponder update for the GTX 3x5 series (see last line at https://www8.garmin.com/support/coll...t=010-01057-00). Previously, you had to go to a dealer or nag them at Oshkosh (and they were quite happy to travel to your plane to do it at OSH). You'll need a somewhat rare-to-find these days USB cable (USB type-A to USB type-B usually used to connect printers to computers example), and a laptop/computer to bring to the aircraft. Remove the pilot G3x screen, plug in the USB cable to the USB pigtail from the transponder, and run the transponder update program. Select the update file you want to apply, connect to the transponder, it'll show you the software versions on the xpdr vs versions in the update file. It'll update only the software that needs updating. Thats the 1000' view of the transponder update procedure.. pretty intuitive and I'm glad Garmin/FAA trusts us not to break things.

Impressions so far
I took a 1hr flight after these updates. For about 30 minutes, I noticed that the XM radio was not controllable; nor was the G3x displaying any traffic. After approx 30 minutes, it magically started working again. I believe this was because the GDL52(xm radio / UAT device in the tailcone) was updating itself. Not a big problem, but I was regretting doing the update for about 30 minutes

I have the GTN650 navigator as well and I use VNAV as much as I can so I can start a descent into an airport at the right time. The GTN650 announces "Vertical Track" when beginning a descent.. and now the G3x announces the same.. Both triggered at the same time, giving an echoy effect.. I'll have to disable the G3x announcement.

The radio frequency selection pages seem to be a little snappier.

Upon engine startup, I did notice the white "BARO" CAS message, warning me to set the barometer. It turned off after I set the barometer.

Before the next flight, I will set the (Configuration mode > Sound > VNE Alert), and the (Configuration Mode > Aircraft > Takeoff Safe Altitude). I expect those features to perform as advertised. After some early testing at my home airport (sea level), I believe 500' AGL is plenty to do the impossible turn. So I'll initially set at 500' and test at a larger/safer airport.

A far as the transponder update, the only thing I've noticed is that the autopilot mode is now broadcast over ADSB:
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Rob Carsey, Winfield Park, NJ
RV-12iS (N713) / Completed 12/2020 / 350hrs and counting
ASEL, Glider, AGI/IGI, LSRM-I, FCC GROL
APRS Track or ADSBExchange Track
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  #2  
Old 12-02-2022, 12:35 PM
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mburch mburch is offline
 
Join Date: Feb 2005
Location: Oregon
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Quote:
Originally Posted by rcarsey View Post
Although the update will apparently travel over the CANbus to the other G3x (if you have dual screens)
That isn't actually the case - from the installation manual:

Quote:
35.3.2 LRU Software Loading Procedure

G3X LRUs (except for GDU displays) connected using the CAN network will automatically receive software updates from the PFD1 display following a GDU software update.
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  #3  
Old 12-02-2022, 01:16 PM
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Longez Longez is offline
 
Join Date: May 2009
Location: KS
Posts: 486
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Quote:
Originally Posted by rcarsey View Post
I took a 1hr flight after these updates. For about 30 minutes, I noticed that the XM radio was not controllable; nor was the G3x displaying any traffic. After approx 30 minutes, it magically started working again. I believe this was because the GDL52(xm radio / UAT device in the tailcone) was updating itself. Not a big problem, but I was regretting doing the update for about 30 minutes
Rob,

If you will modify your software loading procedure, this issue will NEVER present itself during a flight.

After loading new G3X Touch system software into the PFD, the PFD will finish loading and restart. Immediately press and hold the MENU button on the PFD so it always restarts into configuration mode (not normal mode) after loading new software.

It is the PFD's job to load all the changed/updated system software to the other G3X Touch system devices (except for displays, which must each be loaded by you), and it is your job to verify that the PFD has completed this operation before attempting to use the plane.

After the PFD starts in configuration mode, go to the System Information page and watch the PFD update all the other devices, including the GDL52/52R when necessary.

Look at the system update log posted on the Garmin website for the current release which lists all the existing and new software versions and verify that all devices have been updated before leaving this page. If you had done this before, you would have seen that the PFD was still updating the GDL52 and not ready for flight.

Steve
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  #4  
Old 12-02-2022, 01:26 PM
sparkcrafter sparkcrafter is offline
 
Join Date: Jun 2014
Location: Battle Ground, WA
Posts: 57
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Quote:
Originally Posted by Longez View Post
If you had done this before, you would have seen that the PFD was still updating the GDL52 and not ready for flight.

Steve
Steve,
I would have expected the G3X to display some sort of notification (such as a CAS alert or big red X) if it was not ready for flight. Seems like a safety issue if itís not ready for flight and the only way to tell is to dig into the config menu.

Jerald
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  #5  
Old 12-02-2022, 03:07 PM
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rcarsey rcarsey is offline
 
Join Date: Jul 2012
Location: North Brunswick, NJ
Posts: 406
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you're absolutely right. I thought that was some new feature that I didn't know about -- I misinterpreted what was written on the firmware update website:

Quote:
Once the PFD1 is updated, it will spread the update to the rest of the system over the CAN Bus
Quote:
Originally Posted by mburch View Post
That isn't actually the case - from the installation manual:
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Rob Carsey, Winfield Park, NJ
RV-12iS (N713) / Completed 12/2020 / 350hrs and counting
ASEL, Glider, AGI/IGI, LSRM-I, FCC GROL
APRS Track or ADSBExchange Track
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  #6  
Old 12-15-2022, 11:43 AM
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rcarsey rcarsey is offline
 
Join Date: Jul 2012
Location: North Brunswick, NJ
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I love airplane maintenance so much, I do everything twice.

A few days after upgrading to v9.12; they came out with v9.13. I filmed the upgrade process this time for anyone interested in actually seeing the process. The factory hasn't blessed the upgrade yet, so YMMV.

https://www.youtube.com/watch?v=Mpt6F1mY2Lg
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Rob Carsey, Winfield Park, NJ
RV-12iS (N713) / Completed 12/2020 / 350hrs and counting
ASEL, Glider, AGI/IGI, LSRM-I, FCC GROL
APRS Track or ADSBExchange Track
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  #7  
Old 01-04-2023, 01:49 PM
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rcarsey rcarsey is offline
 
Join Date: Jul 2012
Location: North Brunswick, NJ
Posts: 406
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To close out this thread regarding upgrading to v9.12 .. and later v9.13..

v9.14 came out a few days after my last post here (see g3xpert's post at https://vansairforce.net/community/s...79&postcount=1 which corrects an issue concerning ADS-B.

That issue affects the RV-12iS Garmin IFR and VFR platforms -- meaning GPS data fed to the transponder from either a GTN650/xi or the GPS20A over RS-232 serial; so if you're still on v9.10 or later, you should probably just go to v9.14.
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Rob Carsey, Winfield Park, NJ
RV-12iS (N713) / Completed 12/2020 / 350hrs and counting
ASEL, Glider, AGI/IGI, LSRM-I, FCC GROL
APRS Track or ADSBExchange Track
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