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07-31-2012, 07:13 PM
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Join Date: Sep 2006
Location: Locust Grove, GA
Posts: 97
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With the wiring described, 696 to GDL39 to Autopilot, if the GDL39 were to fail or lose power, would the connection between the 696 and Autopilot still work? In other words, is the GDL39 active or passive in passing the serial data from one serial port to the other?
__________________
Aaron Sims
RV-10 (2015 Bronze Lindy)
RV-6A (sold)
Home Field: Mallards Landing (GA04)
Locust Grove, GA
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07-31-2012, 07:23 PM
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Join Date: Sep 2010
Location: Olathe, KS
Posts: 2,885
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Quote:
Originally Posted by GTWreck
With the wiring described, 696 to GDL39 to Autopilot, if the GDL39 were to fail or lose power, would the connection between the 696 and Autopilot still work? In other words, is the GDL39 active or passive in passing the serial data from one serial port to the other?
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The GDL 39 must be powered and turned on for the second RS-232 port pass-through feature to function with the GPSmap 695/696 or aera 5xx units. (The aera 795/796 units have two RS-232 ports already, and the GDU37X displays have three RS-232 ports, so these products do not need or use this feature.)
- Matt
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
Last edited by g3xpert : 08-01-2012 at 05:01 AM.
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08-01-2012, 10:25 AM
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Join Date: Feb 2006
Location: Forest Grove, OR
Posts: 239
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GTX330 Upgrade
Matt, I have the GDL 39 connected to a 696. I just tried it out last night and love it. Way cool! Anyway, I also have a GTX330 transponder. I'm still a little foggy about all of this. What benefit would I get by upgrading my transponder to the ES for $1200? I also have a 430W that I can connect to the transponder for valid position reference. I think I read that I needed to do a free upgrade to the 430W to make it all work. And do I still need a connection between the GTX330 and 696 like I used to use for TIS? By the way, the TIS rarely worked in the Portland area which was supposed to have TIS service.
__________________
Mark - Forest Grove, OR (Homebase KHIO)
Flying RV-9A N962MC
EAA Tech Advisor - Ham AI7MC
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08-01-2012, 11:44 AM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Quote:
Originally Posted by mcattell
Matt, I have the GDL 39 connected to a 696. I just tried it out last night and love it. Way cool! Anyway, I also have a GTX330 transponder. I'm still a little foggy about all of this. What benefit would I get by upgrading my transponder to the ES for $1200? I also have a 430W that I can connect to the transponder for valid position reference. I think I read that I needed to do a free upgrade to the 430W to make it all work. And do I still need a connection between the GTX330 and 696 like I used to use for TIS? By the way, the TIS rarely worked in the Portland area which was supposed to have TIS service.
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What you would get if you upgrade your 330 to ES is the ability to comply with the ADS-B out requirements of 2020. Also since you will then be capable of sending the ADS-B out signal, your transponder will wake up the ground stations and they will send back the composite TIS-B signal that your GDL-39 can receive.
The 430W can serve as a position source for the transponder today it just won't be ready for 2020 until they come out with the new firmware. If you have version 3.2, that is the current release available to the masses.
If you connect the GDL-39 to the 696, you won't be able to connect the 330 to the 696. The pass though feature of the GDL-39 currently only supports NMEA data.
If you upgrade your 330 to ES and connect the 430W to the xponder, your GDL-39 will end up giving you full air to air and TIS-B based traffic on your 696 and it should be many times better than the older TIS traffic you are familiar with. With that setup, if you are in the reception area of a ground station, you will see the same traffic that the controllers do on their screens.
Last edited by Brantel : 08-01-2012 at 11:53 AM.
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08-01-2012, 12:43 PM
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Join Date: Sep 2007
Location: WA
Posts: 988
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No pass through of radio frequencies...
The biggest issue I have with the GDL39 and my 696 is losing the radio frequency tuning feature... I was ready to buy until that detail was revealed...
__________________
Stephen
RV7 powered by a lycoming thunderbolt IO-390
turning a whirlwind HRT prop
with more hours flying than building... 2,430 on the hobbs!
ORCA Flight
Race 771
margarita!
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08-01-2012, 12:51 PM
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Join Date: Sep 2010
Location: Olathe, KS
Posts: 2,885
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Quote:
Originally Posted by schristo@mac.com
The biggest issue I have with the GDL39 and my 696 is losing the radio frequency tuning feature... I was ready to buy until that detail was revealed...
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Have no fear... although the current firmware version supports NMEA data only, a near-future software update will add the ability to pass through other RS-232 formats, including Aviation, SL30/40 radio tuning, etc.
- Matt
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
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08-01-2012, 12:52 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Quote:
Originally Posted by schristo@mac.com
The biggest issue I have with the GDL39 and my 696 is losing the radio frequency tuning feature... I was ready to buy until that detail was revealed...
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Can't speak for Garmin but I bet we will see that functionality expanded for the 696 soon.
Edit:
Matt beat me to it....
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08-01-2012, 01:52 PM
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Join Date: Feb 2006
Location: Forest Grove, OR
Posts: 239
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Quote:
Originally Posted by Brantel
What you would get if you upgrade your 330 to ES is the ability to comply with the ADS-B out requirements of 2020. Also since you will then be capable of sending the ADS-B out signal, your transponder will wake up the ground stations and they will send back the composite TIS-B signal that your GDL-39 can receive.
The 430W can serve as a position source for the transponder today it just won't be ready for 2020 until they come out with the new firmware. If you have version 3.2, that is the current release available to the masses.
If you connect the GDL-39 to the 696, you won't be able to connect the 330 to the 696. The pass though feature of the GDL-39 currently only supports NMEA data.
If you upgrade your 330 to ES and connect the 430W to the xponder, your GDL-39 will end up giving you full air to air and TIS-B based traffic on your 696 and it should be many times better than the older TIS traffic you are familiar with. With that setup, if you are in the reception area of a ground station, you will see the same traffic that the controllers do on their screens.
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Thanks for the good info Brantel. I think it's starting to become clearer now. I was trying to figure out if it would be worth spending the money to upgrade the 330 transponder right now or a few years down the road. It sounds like it may be a good thing to do now.
When I was testing it last night I'm sure there was some traffic out there I wasn't picking up that I could hear on the radio. It was probably below radar coverage. So perhaps the transponder upgrade would help with that. I wonder if when I fly with friends who don't have ADS-B out and I do, that it may provide more targets for them on their GDL-39? When I turned on unlimited traffic it was cool to see an airplane fly over the top of me at over thirty thousand feet with flight number indcated.
I installed the Garmin app on my iPhone as a trial. I'm very impressed with that program. The really cool thing is that I have the 696 wired to the GDL-39 and the iPhone would receive the signal from the GDL-39 via Bluetooth at the same time. So I could leave the radar screen up full time on the iPhone which makes it easier to see targets on verses on the 696 map page. Very nice and may decide to let my Foreflight subscription lapse and go with Garmin's app. Also, since the GDL-39 has a built in GPS there's no need for a GPS to drive the iPhone/iPad. Extra bonus.
I was also impressed with how the 696 now displays weather at all the nearest airports. Maybe XM did that before and I didn't notice. There are several nice upgrades with the new 696 software.
Another nice feature is the ability to display the location of the ground stations. I found out there is actually a ground station right at my airport. After I taxied to my hanger I actually had two good ground station signals on the ground. When flying I think I had about five of them. Coverage with ground stations seems to be very good in my area.
The weather functions worked great and my XM subscription is going away. I turned it off for my testing and didn't miss any features so far. I'm very impressed so far.
__________________
Mark - Forest Grove, OR (Homebase KHIO)
Flying RV-9A N962MC
EAA Tech Advisor - Ham AI7MC
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08-01-2012, 02:10 PM
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Join Date: Feb 2006
Location: Forest Grove, OR
Posts: 239
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TFR's Work
One last bit of info regarding the GDL-39. When I departed my airport last night I immediately saw a yellow TFR circle around Hillsboro, about 10 miles away. That's because they are having an airshow this weekend and there are airport closures. Using the cursor on the 696 I was able to select the TFR and get all the details. So I can confirm that the TFR function of the GDL-39 works well. I'm assuming the TFR circle will be turning red when active.
__________________
Mark - Forest Grove, OR (Homebase KHIO)
Flying RV-9A N962MC
EAA Tech Advisor - Ham AI7MC
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08-04-2012, 09:38 AM
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Join Date: Jun 2007
Location: Liberty Lake, WA
Posts: 47
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I put a report of my first experience using the GDL 39 with my Aera 510 on my regular hangout:
http://www.supercub.org/forum/showth...9-XM-WX-killer
One question I have is how to use the "second serial port" of the GDL 39? I have a fuel flow gauge that takes GPS data but had to disconnect because the new harness only has the connector for the GDL 39. Before I start splicing into my new harness, would like to know how the second serial port is used. I don't see a second connector on the GDL. Also, is there a revised manual for the Aero 5xx series with the new features? Thanks!
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