Taver

Unit not powering on in some aircraft

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I have installed the GTN 750 in the PMDG DC-6 and the Carenado Citation C525A and the unit does not power on. Just a black screen. 

I click on Add-ons and selected Reality XP GTN then setup aircraft. I chose "Configure Reality XP GTN Popup Windows" and followed the instructions. 

Any suggestions? 

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Hi,

I'm sorry for unpleasant out-the-box experience. I've just mentioned this topic a few minutes ago here:

https://www.avsim.com/forums/topic/522013-gtn-touchscreen-not-accurate-in-vc/#comment-3730366

We've a fix in place, planned to be released tomorrow, which I hope will solve this.

In the meantime, you might want to try cycling avionics power (off/on/off/on) waiting a second or two before each switch action. Otherwise, you might want to try rebooting the device (settings panel | enable TCAD then apply, repeat in disabling TCAD then apply).

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I have only been able to get the GTN 750 to work on one aircraft and that is if I reboot Prepar3d v4.1 and load the Carenado C337. 

So far the PMDG DC-6, Carenado 525A Citation, and the A2A Constellation are no go's. I have even done as instructed above and attempted to reboot the unit. All times results in a grey screen. 

If I look real close the screen on reboot changes from black to grey. So I think the unit rebooted and is powered but nothing displays on the screen. 

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One more update. 

 

On further inspection if I look real close I see "starting..." in the bottom left hand corner of the screen and it is very faint. 

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And another update. 

 

I found the problem. (you probably already know) 

roar.exe is hanging. 

If I go into task manager and services and shutdown roar.exe then start prepar3d.v4.1 I can successfully load the GPS. 

More testing is needed but at least it is a start. 

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Hi, the faint "starting..." is added to help know when the trainer is running or not. However, the fact that it sometimes gets stuck is under more investigation. Thank you for your astute research, it helps!

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I was wondering if this would work in the A2A Connie so will be following this thread with interest. Over at the A2A forums they say they would have to do something to the programing to make it work in their planes but I thought it would be a  simple config change. 

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11 hours ago, warbirds said:

I was wondering if this would work in the A2A Connie so will be following this thread with interest. Over at the A2A forums they say they would have to do something to the programing to make it work in their planes but I thought it would be a  simple config change. 

I ran a test flight with the A2A Connie this morning and the GTN 750 works fine. I only use the unit in popup mode so I am not sure about embedding it in the VC. 

Now that I have the unit working on most of my planes I really (I mean really) like the unit. The only other thing I would like to have is wind direction and wind strength indicator but I don't even think the real unit has that option. 

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1 hour ago, Taver said:

Now that I have the unit working on most of my planes I really (I mean really) like the unit.

Thank you for your kind words!

The wind vector requires at least enabling the  Shadin Air Data input setting, and there might be an option in the GTN map settings as well.

 

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