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03-09-2016, 02:27 PM
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Join Date: Dec 2009
Location: St Louis, MO
Posts: 957
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Garmin 496
Bruno,
Thanks for the tip and weblink. I have a pair but I don't think I got them from Gibson & Barnes. Maybe I should have cause I don't know who made these and they really don't work.
Oly
__________________
RV-8, Flying
Previous airplanes: Corby Starlet, Citabria, Cessna 140, Vari-Viggen, RV-3, RV-4
RV grin every flight
"Sure is nice to have smart friends"
2018 dues paid
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03-09-2016, 06:15 PM
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Join Date: Nov 2013
Location: Prescott, AZ
Posts: 1,614
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dimmer in the past
Not mentioned, but very important. Having had all the Garmins starting with 296 onward... I was thrilled when the evolution passed by the 496 and the screen got WAY brighter. You will be most pleased with the new portable unit not only in the way the software works (many, many useful functions) but in how the display looks in a bubble canopy aircraft. Full disclosure, I have no vested interest in sales at Garmin. I just know when something works really well in an RV.
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"Kindness is never a bad plan."
exemption option waived. Donation appropriate.
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04-04-2016, 06:55 AM
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Join Date: May 2015
Location: Albuquerque NM
Posts: 10
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Oly,
I have a similar setup in my RV-4 (NavAid AP-1 plus Garmin: GTR200, GDS-39R, G496).
The 496 has only one COM port where the 296 has two. Per a previous note you can connect the 496 output to more than one device, the manual even shows doing that. The rub is the speed of the port and communication protocol. My NavAid has a ?Smart GPS? box that takes the data from the GPS and converts it to a VOR like output that goes to the NavAid. The ?newer? version of this box will auto select between 4800 and 9600 BAUD rates. Mine is locked at 4800.
With the 496 set for ?NMEA In/NMEA Out? the Smart GPS / NavAid work great. With the 496 set to ?TIS In/NMEA & VHF Out? it receives traffic from the GDL-39R, and is able to send COM frequencies to the GTR200 (way cool). However in that setting it forces the BAUD rate to 9600 and the Smart GPS isn?t smart enough to adjust. I am building a BAUD rate converter with an microcontroller this week and will be putting that ahead of the Smart GPS.
My suggestion would be to keep the 296 until you want more capability and then buy more current gear. I have had the 496 since it came out and just can?t see the reason to upgrade?yet, however I don?t think I would buy one today.
Mike
__________________
RV-4 Purchased, Flying
C182 TurboRG, Flying
Citabria 7GCBC, Traded
Citabria 8KCAB, Sold
Mooney M20F, Sold
C172N, Sold
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04-04-2016, 09:46 AM
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Join Date: Dec 2009
Location: St Louis, MO
Posts: 957
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Upgrading GPS
Thanks for the inputs guys, decide to pull the plug and get a Garmin Aera 660 and a GDL 39 3D. Sold the 196 & the 296 and have the IPAD Mini & Stratus 2 for sale now. Have another IPAD Mini I will use with Garmin Pilot App as a backup.
The 660 will be hard wired to the aircraft for power, to the EZ Pilot autopilot for course tracking and to the GTR 200 for frequency inputs and audio alerts with it's built in intercom. The GDL will also be hard wired but mounted on the rear turtledeck inside the canopy so I'll Bluetooth it to the Aera 660.
Thanks also to the G3Xpert Steve for all his inputs and advice as well.
Oly
__________________
RV-8, Flying
Previous airplanes: Corby Starlet, Citabria, Cessna 140, Vari-Viggen, RV-3, RV-4
RV grin every flight
"Sure is nice to have smart friends"
2018 dues paid
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04-04-2016, 11:41 AM
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Join Date: Feb 2006
Location: Lockport, NY
Posts: 126
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Not to hijack this thread but I have a question about a 496 sending data to an Electronics International MUX-8A. The single out wire from the 496 is connected to the GPS in of the MUX-8A. Yet I cannot seem to get the data to be stored on the #8 channel of the MUX-8A. I have tried the NEMA out at 9600 baud rate and this doesn't seem to matter. My channel 8 is turned on and should be receiving the signal. Double checked the wiring. I know there is other equipment that could accomplish this easier but due to saving for a paint job, new equipment will need to wait. I did try and contact EI and they were not able to help. Any ideas why this isn't working? Thanks.
__________________
Paul Dannebrock
RV-9A, Flying
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