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Search: Posts Made By: g3xpert
Forum: Autopilots 05-07-2021, 03:24 PM
Replies: 7
Views: 253
Posted By g3xpert
VNAV Descent

As Bob mentioned, this is incorrect. The GPS 175 provides both vertical and lateral navigation information for approach purposes. The GPS 175 does not have enroute VNAV capability...
Forum: Autopilots 05-07-2021, 03:05 PM
Replies: 7
Views: 253
Posted By g3xpert
Baro Corrected Altitude

The EFIS/AIRDATA output from the G5/GAD29 provides label 204 (Baro Corrected Altitude) to the GPS 175.

Page 7-23 of the G5 Installation manual (https://static.garmin.com/pumac/190-02072-01_08.pdf)...
Forum: Autopilots 05-07-2021, 08:30 AM
Replies: 7
Views: 253
Posted By g3xpert
G5 Component LRU's

Hi Mike,

For an experimental aircraft autopilot, you would need a G5, GMC 507, and GSA 28 servos. Including a GMU 11 will allow the system to calculate magnetic heading, and a GAD 29 provides the...
Forum: Glass Cockpit 05-05-2021, 12:41 PM
Replies: 1
Views: 189
Posted By g3xpert
GDU Configuration File

This may cause more trouble than it is worth. The configuration files are really useful for saving a backup of an already configured system, or for builders manufacturing several aircraft with the...
Forum: Glass Cockpit 05-03-2021, 08:07 AM
Replies: 10
Views: 584
Posted By g3xpert
AFCS TO/GA Input

You can connect a dedicated TO/GA switch to any discrete input on a GEA 24, GSU 73, or GAD 27. Configure the input to AFCS TOGA, Active Low. See page 30-5 and 35-186. No GMC mode controller is...
Forum: Glass Cockpit 05-03-2021, 07:57 AM
Replies: 10
Views: 584
Posted By g3xpert
EIS Alert Level

Power your display on in configuration mode. Touch Engine & Airframe. Select Cylinder Head Temperature. The Gauge Markings are entered on the bottom right hand corner of the screen. If you select RED...
Forum: Glass Cockpit 04-30-2021, 08:47 AM
Replies: 1
Views: 293
Posted By g3xpert
GPSMAP 295

Hello Barry,

We just reached out to you directly to get some more information from you.

Thanks,

Justin
Forum: Glass Cockpit 04-30-2021, 08:20 AM
Replies: 409
Views: 143,627
Posted By g3xpert
Flight Director Modes

It is not possible to engage only one axis of a 2-axis autopilot. The flight datalogs provide a very good overview of what flight director modes were active when the autopilot was engaged, and will...
Forum: Glass Cockpit 04-30-2021, 08:18 AM
Replies: 409
Views: 143,627
Posted By g3xpert
Autopilot Performance

Can you please send us a flight data log of one of your flights in which this occurs, alongside the autopilot and trim settings that were entered for that specific flight?

Thanks,

Justin
Forum: Glass Cockpit 04-28-2021, 04:00 PM
Replies: 3
Views: 267
Posted By g3xpert
GTX Configuration

Here is a link to the most recent revision of the G3X Touch Installation Manual:
https://static.garmin.com/pumac/190-01115-01_an.pdf

If you have a GTX 345R connected to a G3X Touch, you will not use...
Forum: Glass Cockpit 04-28-2021, 10:59 AM
Replies: 1
Views: 266
Posted By g3xpert
Auto Trim

Tom,

Auto Trim is disabled on the ground so a Trim up or Trim down indication would not be unusual to see if you are in the hangar. If you suspect there is an issue in flight, please send us a...
Forum: Glass Cockpit 04-26-2021, 03:22 PM
Replies: 27
Views: 3,107
Posted By g3xpert
LRU Message

Hi Tom,

Would you mind sending us a photo of the message you are seeing so we can help get it sorted out? Our email address is G3Xpert@Garmin.com.

Thanks,

Justin
Forum: RV General Discussion/News 04-26-2021, 08:46 AM
Replies: 5
Views: 387
Posted By g3xpert
GSU 25 Data Log

Another good question, if you have dual GSU 25's, the PFD logs AHRS data from GSU 25 #1. By leaving an SD card in the second display, you can log AHRS data from GSU 25 #2.

Thanks,

Justin
Forum: RV General Discussion/News 04-25-2021, 02:06 PM
Replies: 5
Views: 387
Posted By g3xpert
SD Card Slot

Good Afternoon,

Great question! We recommend leaving an SD card in your display at all times. We save quite a variety of system parameters on the 1 hz logs that are written to the card, and if you...
Forum: Glass Cockpit 04-23-2021, 10:45 AM
Replies: 27
Views: 3,107
Posted By g3xpert
GTX Transponder Software Level

Hi Dave,

Yes this includes the GTX 45R transponder. Software version 2.60 is the most recent revision.

Thanks,

Justin
Forum: Glass Cockpit 04-23-2021, 10:42 AM
Replies: 27
Views: 3,107
Posted By g3xpert
Fuel Flow

Brian,

Glad to hear you are excited about using this, it is a nice expansion of the integration between the two pieces of equipment. It is always helpful to have such great feedback from the fleet...
Forum: Glass Cockpit 04-23-2021, 07:18 AM
Replies: 27
Views: 3,107
Posted By g3xpert
FIS-B Weather Products

Good Morning,

Here is a quick update on the addition of the newer FIS-B products to the RS-232 datapath. The GTX X45(R) software required for this to work was released in March of this year. We have...
Forum: Glass Cockpit 04-23-2021, 07:07 AM
Replies: 27
Views: 3,107
Posted By g3xpert
GNX 375 Fuel Flow Sensor Information

This is something we had considered looking into next. I will bring this back up with the team for discussion.

Thanks,

Justin
Forum: Glass Cockpit 04-21-2021, 12:02 PM
Replies: 27
Views: 3,107
Posted By g3xpert
Fuel Flow Transfer

This works for both the GTN and GTN Xi Series Navigators.

Thanks,

Justin
Forum: Glass Cockpit 04-21-2021, 11:13 AM
Replies: 27
Views: 3,107
Posted By g3xpert
G3X Touch Software Update 8.81 (4/21/2021)

Hello,

We released G3X Touch Version 8.81 to the Software Download Area (https://www8.garmin.com/support/collection.jsp?product=010-01057-00) today. Please note from the list shown below that many...
Forum: Glass Cockpit 04-16-2021, 10:25 AM
Replies: 2
Views: 362
Posted By g3xpert
AOA Alert Audio

Hi Ian,

The AOA alert audio is generated by the GDU and provided to your intercom by the audio output from the G3X Touch display.

Thanks,

Justin
Forum: ADS-B 04-15-2021, 09:28 AM
Replies: 7
Views: 467
Posted By g3xpert
GPS Integrity Setting

Hi Mike,

The GPS configuration page accessible in configuration mode on the GTX 330ES, allows you to specify the GPS integrity setting, which should be 1e-7 for your installation....
Forum: Glass Cockpit 04-14-2021, 01:44 PM
Replies: 3
Views: 393
Posted By g3xpert
Trim Position

Ben,

If you touch the HSI, and select "More Options", scroll to the bottom and there is a switch to toggle the trim position indicators on and off.

Thanks,

Justin
Forum: Autopilots 04-14-2021, 08:04 AM
Replies: 6
Views: 534
Posted By g3xpert
Auto-Trim Function

Auto-Trim is inhibited on the ground, to prevent the GSA 28 from altering your pre-takeoff trim setting. Section 35.4.10 of the G3X Touch Installation Manual...
Forum: Glass Cockpit 04-13-2021, 09:56 AM
Replies: 13
Views: 1,767
Posted By g3xpert
In your installation, the regulated backlight...

In your installation, the regulated backlight voltage reference is the GAD 27. You can use a simple rheostat to provide a reference voltage to a GDU, but you would not want to use the same to provide...
Forum: Glass Cockpit 04-13-2021, 09:42 AM
Replies: 17
Views: 1,867
Posted By g3xpert
Pictures

Igor,

Can you send your pictures to G3Xpert@Garmin.com? The links appear to have a problem, we are unable to open them.

Thanks,

Justin
Forum: Glass Cockpit 04-13-2021, 08:42 AM
Replies: 17
Views: 1,867
Posted By g3xpert
GMA 345 Capabilities

With a GMA 345, you are not going to have the highly integrated control of the audio panel through the G3X Touch display as you would with a GMA 245. Please see page 35-143 of the G3X Touch...
Forum: Glass Cockpit 04-13-2021, 08:34 AM
Replies: 3
Views: 386
Posted By g3xpert
SD Card Type

As shown in the section Steve shared, the type of SD card you use is important. SD cards are limited to much smaller capacities, than SDHC or SDXC, but if you are able to find one it will work. We do...
Forum: Glass Cockpit 04-13-2021, 07:59 AM
Replies: 13
Views: 1,767
Posted By g3xpert
Lighting Bus Input

The lighting bus inputs are typically very high impedance, most installations don't come anywhere near the 10mA limit. If you are putting 7 LRU's on one pin, we can double check just to be safe. Let...
Forum: Engine Monitors 04-09-2021, 12:39 PM
Replies: 4
Views: 789
Posted By g3xpert
Kavlico Pressure Sensors

The 4 Cylinder Lycoming Sensor Kit, part number K00-00512-00, comes with a 150 PSIG Oil pressure sensor, part number 011-04202-30, which is Kavlico part number P4055-5020-4. The website link you...
Forum: Glass Cockpit 04-07-2021, 02:31 PM
Replies: 17
Views: 1,867
Posted By g3xpert
GMA 345 vs. GMA 245

Igor,

The GMA 245 was purpose built for integration with G3X Touch displays, and communicates with the G3X Touch via CAN. The GMA 345 does not have the same level of integration as the GMA 245, it...
Forum: Glass Cockpit 04-06-2021, 09:04 AM
Replies: 4
Views: 1,006
Posted By g3xpert
G3X Software 12.10

We will have a software revision available for the non-touch G3X systems available shortly that will address this problem. Until then, back-loading software is an option which will restore the...
Forum: Close Calls / Lessons Learned 04-01-2021, 12:05 PM
Replies: 79
Views: 8,525
Posted By g3xpert
Hello, Revision AM of the G3X Touch...

Hello,

Revision AM of the G3X Touch Installation Manual (https://static.garmin.com/pumac/190-01115-01_am.pdf), Section 35.4.32.26.1, details the GAP 26 Alert Configurations. This is available for...
Forum: Close Calls / Lessons Learned 04-01-2021, 08:00 AM
Replies: 79
Views: 8,525
Posted By g3xpert
Autopilot Mode Reversion

Good Morning,

We are happy to help work through these events, to help better understand how the system handles an unexpected flight condition. In these cases it is often helpful to review the flight...
Forum: Close Calls / Lessons Learned 03-31-2021, 10:45 AM
Replies: 79
Views: 8,525
Posted By g3xpert
Hi Randy, If you have a flight log available...

Hi Randy,

If you have a flight log available for this flight, that will certainly help us unpack any system commands or inputs. Check your PMs for more direct contact info! It will certainly help...
Forum: Close Calls / Lessons Learned 03-31-2021, 08:06 AM
Replies: 79
Views: 8,525
Posted By g3xpert
In the video, the system indicates a...

In the video, the system indicates a manually-induced autopilot disconnect. This is identified by the AP indication on the AFCS status display flashing yellow. This would have been commanded by...
Forum: RV General Discussion/News 03-29-2021, 10:28 AM
Replies: 4
Views: 1,008
Posted By g3xpert
Just a reminder that we are less than a month...

Just a reminder that we are less than a month away from the installation class! Hope to see you there,

BR,

Brad
Forum: Autopilots 03-29-2021, 06:34 AM
Replies: 9
Views: 741
Posted By g3xpert
Trim Motor Control Wiring

John,

You only need 1 GAD 27. Page 27-15 of the G3X Touch Installation Manual (http://static.garmin.com/pumac/190-01115-01_am.pdf) shows the connection made from the switches, to the GAD 27, from...
Forum: Glass Cockpit 03-25-2021, 02:54 PM
Replies: 19
Views: 1,512
Posted By g3xpert
CAN Bus Length

As bus length increases, signal reflections become more of an issue, and signal delay between nodes increases. During the STC program, the need arose for a longer run than the originally specified 66...
Forum: Glass Cockpit 03-25-2021, 05:50 AM
Replies: 8
Views: 995
Posted By g3xpert
GDU Upgrade + G5

Good Morning,

You will not need a GAD 29, or additional GTP 59, or GMU. That information will be shared with the G5 via CAN bus. Do you currently have 1 or more external navigators?

Thanks,

Justin
Forum: Electrical Systems 03-22-2021, 10:18 AM
Replies: 25
Views: 1,371
Posted By g3xpert
Lighting Bus Settings

Jim,

For some reason, Walt's pictures are not showing up for me, what value do you have assigned to Lighting Bus Off Threshold?

Lighting Bus Off Threshold–Sets the lighting bus off threshold input...
Forum: RV-12/RV-12iS 03-22-2021, 07:06 AM
Replies: 5
Views: 858
Posted By g3xpert
External GPS Source Data

With a few limited exceptions, you will want to enable the GPS receiver on at least one of your GDU's. What external GPS source are you referring to using? Besides the GDU internal receiver, only the...
Forum: Electrical Systems 03-19-2021, 08:35 AM
Replies: 25
Views: 1,371
Posted By g3xpert
G3X Touch Backlight

Hey Thomas,

Can you email us a screenshot of your Backlight Configuration Menu? We can take a look at the settings and see if there is any room for improvement.

Thanks,

Justin
Forum: Glass Cockpit 03-17-2021, 12:58 PM
Replies: 8
Views: 902
Posted By g3xpert
Transponder Configuration Settings

Those settings are correct for the transponder. Do you see a red X in the bottom left corner of the transponder configuration menu on the G3X Touch?

Thanks,

Justin
Forum: Glass Cockpit 03-17-2021, 08:56 AM
Replies: 19
Views: 1,583
Posted By g3xpert
Paul, Check your private messages. I'm also a...

Paul,

Check your private messages. I'm also a -10 builder and would like to talk projects and avionics!

BR,

Brad
Forum: Autopilots 03-15-2021, 01:44 PM
Replies: 15
Views: 1,568
Posted By g3xpert
AP Porpoise

The G3X Installation Manual can be downloaded here (https://support.garmin.com/en-US/?partNumber=010-01057-00&tab=manuals), Appendix A contains the autopilot tuning outline.

Does your autopilot...
Forum: Glass Cockpit 03-15-2021, 09:20 AM
Replies: 5
Views: 691
Posted By g3xpert
EIS Configuration

Just to add a bit of information here, Yellow + Alert will trigger a CAS message, and Red + Alert will trigger a CAS Message and audible alert. Page 35-159 of the G3X Touch Installation Manual...
Forum: Glass Cockpit 03-15-2021, 09:10 AM
Replies: 8
Views: 902
Posted By g3xpert
G3X Touch Configuration

The connection from Serial port 3 of the GSU 25 to serial port 1 of the GTX 330 is what facilitates communication between the G3X Touch and the transponder. Have you made this connection yet? If so...
Forum: Glass Cockpit 03-12-2021, 09:01 AM
Replies: 8
Views: 608
Posted By g3xpert
System ID

Hey Jim,

It looks like you may have transferred the System ID to flyGarmin incorrectly. The system ID should have 13 characters, yours appears to have 14. Double check the System ID displayed on the...
Forum: Glass Cockpit 03-10-2021, 10:22 AM
Replies: 7
Views: 625
Posted By g3xpert
Correct, you will have a database subscription...

Correct, you will have a database subscription for the non-TSO units (G3X Touch Screens), and a certified IFR database subscription for the IFR Navigator (GNX/GTN). All IFR navigators, regardless of...
Forum: Glass Cockpit 03-10-2021, 10:13 AM
Replies: 7
Views: 625
Posted By g3xpert
If you have a panel with dual G3X Touch Screens,...

If you have a panel with dual G3X Touch Screens, then they share the same system ID. This is verified by looking in Menu>Tools>Database Information>System ID. This is the ID you will register on...
Forum: Electrical Systems 03-10-2021, 10:12 AM
Replies: 5
Views: 774
Posted By g3xpert
GTP 59 Installation

Section 21.3 is the relevant section of the G3X Touch Installation Manual in this case. We advise against mounting the GTP 59 in fiberglass only, in your case you will want to make use of a metal...
Forum: Glass Cockpit 03-10-2021, 09:55 AM
Replies: 7
Views: 625
Posted By g3xpert
I am sorry you were misled. The databases are...

I am sorry you were misled. The databases are identified by System ID. You only need to purchase 1 database subscription per system ID (multiple G3X screens). You will however update each screen...
Forum: RV General Discussion/News 03-10-2021, 08:01 AM
Replies: 4
Views: 1,008
Posted By g3xpert
Exclamation Avionics Installation for Experimental Aircraft Course - April 26-28, 2021

Greetings VAF!

Once again the Aircraft Electronics Association will be hosting an Avionics Installation for Experimental Aircraft Course on April 26-28, 2021. The class will take place at the AEA...
Forum: Glass Cockpit 03-05-2021, 08:03 AM
Replies: 11
Views: 849
Posted By g3xpert
Hello, The G5 does not need a GMU 11 for the...

Hello,

The G5 does not need a GMU 11 for the standard Attitude Indicator. It is nice to have if you would like to enable the magnetic heading on the AI page.

For the DG/HSI version, a GMU 11 would...
Forum: Electrical Systems 03-03-2021, 12:52 PM
Replies: 4
Views: 459
Posted By g3xpert
CAN bus Troubleshooting

Hi Ed,

There is a CAN bus troubleshooting section of the G3X Touch Installation Manual (http://static.garmin.com/pumac/190-01115-01_am.pdf)
that will be helpful, 2.3.1.3.6 CAN Bus Troubleshooting,...
Forum: GPS 03-02-2021, 08:39 AM
Replies: 15
Views: 2,937
Posted By g3xpert
Flight Plan Transfer

No we have not had any reports of this happening.

Thanks,

Justin
Forum: Glass Cockpit 03-02-2021, 07:51 AM
Replies: 17
Views: 1,867
Posted By g3xpert
GMA 350c

Good Morning,

Yes this is still the case, the GMA 245 offers by far the most compatibility with the G3X Touch. If you want to use a GMA 350c, you will need to control it through a...
Forum: Glass Cockpit 02-19-2021, 08:32 AM
Replies: 6
Views: 687
Posted By g3xpert
Pitch Trim Indicator

Good Morning,

Are you using a Ray Allen trim motor for pitch trim, if so, have you calibrated the position sensor? If the position sensor is calibrated, its possible the indicator is turned off. In...
Forum: Glass Cockpit 02-17-2021, 03:15 PM
Replies: 6
Views: 552
Posted By g3xpert
G3X Touch/G5 ADAHRS

Yes you will be well covered. Using 3 independent ADAHRS, one thing to keep in mind is that you will want to calibrate the Pitch/Roll offset on all 3 at the same time. Not necessarily simultaneously,...
Forum: Glass Cockpit 02-17-2021, 02:49 PM
Replies: 6
Views: 552
Posted By g3xpert
Backup ADAHRS

The G5 is a great solution for added redundancy in the G3X Touch system. If you were to lose a GSU 25C, the ADAHRS information from the G5 will be crossfilled to the G3X Touch display automatically....
Forum: Glass Cockpit 02-17-2021, 01:11 PM
Replies: 5
Views: 653
Posted By g3xpert
G3X Touch GPS Track

Hi Ed,

Can you share the airport/runway you were using, as well as some of the datalog deviations you are looking at? It may be easiest to send us an email to G3Xpert@Garmin.com.

Thanks,

Justin
Forum: Glass Cockpit 02-16-2021, 02:30 PM
Replies: 19
Views: 1,267
Posted By g3xpert
NAV Radio Configuration

Mark,

It sounds like you may have a configuration setting error. In configuration mode, touch NAV Radio. Use this menu to assign the SL30 as a NAV radio, this will allow you to tune the SL30 from...
Forum: Glass Cockpit 02-16-2021, 02:26 PM
Replies: 19
Views: 1,267
Posted By g3xpert
SL 30 Interface

Michael,

Can you please email us your configuration file? Power on the G3X Touch in configuration mode, with an SD card loaded into the unit (8 GB or less), you should see a selection for Config in...
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