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Melohn View Drop Down
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    Posted: 03 Jan 2023 at 10:53pm
I’m a new IFD 440 owner.

My routine with my GNS 430W was to plan all of my flights at home on ForeFlight, and then upload them into the panel when I get to the plane. This also works well for an out and back flight; while the navigator forgets the route after shutdown, ForeFlight remembers, and a simple upload gets the plan back onboard. No need to use a saved route.

One byproduct of this usage model is that each waypoint that does not correspond to a charted waypoint is stored as a user waypoint in the navigator. On the GNS over time these waypoints clog the display up, and since I have no reason to keep them, every once in a while I’ll go into the user waypoints list and select the menu item “Delete all User Waypoints”. Problem solved.

Now, with the IFD, not only will I create new user waypoints, I may also start collecting rubber band waypoints when I modify routes, which appear also to be stored in the IFD user waypoint space. Happily, they don’t show on the map unless you reference them in a route, but they do still collect in the WPT display. 

How can I mass delete all of these waypoints? I’m thinking that creating a blank excel spreadsheet and importing it might do the trick, but if there is an easier way, short of individually CLRing each one, I’d like to know what it is.

Thanks!



Edited by Melohn - 03 Jan 2023 at 10:59pm
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AviSteve View Drop Down
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Sorry, at this point the IFD doesn't provide a method for deleting all user waypoints with a single button press.
Steve Lindsley
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chflyer View Drop Down
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The Pilot Guide (IFD 500 series p7-77 "IMPORTANT NOTE") states that when uploading user waypoints from a CSV file, the CSV file will completely replace the set of user waypoints in the IFD.

This is incorrect (10.3.1.2). I uploaded a CSV file with user waypoints yesterday and the waypoints were merged in with the existing user waypoints on the IFD. It would be nice if it would work as described in the Pilot Guide. It would be a relatively easy way to accomplish what Melohn is requesting..... export the user waypoints to a CSV file, update the file removing the undesired waypoints, then upload the new CSV file without the deleted waypoints. 
Vince
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Do you have a single IFD or dual, cross-synced IFDs?  Do you use the IFD100?
Steve Lindsley
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chflyer View Drop Down
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I have dual, cross-synced IFDs. I loaded the CSV into only one, expecting the 2nd to sync to the first. But I see where you're going with the question...... 
If I want to replace the user waypoints with a new CSV file contents, are you suggesting that I need to power off both IFDs and load the new CSV into both before bringing them online together?
Vince
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chflyer View Drop Down
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As a point of interest, what role would the IFD100 play considering that there is no maintenance mode on the IFD100 and it is not possible to upload a CSV file into the IFD100?

Similar question regarding the IFD Trainer. 


Edited by chflyer - 22 Oct 2024 at 10:21am
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Yes, the IFDs will sync the user waypoints.  So you can either load the CSV into both or delete all of them from the second one before you load the CSV into the first one.

I asked about the IFD100 just in case it would have tried to sync its waypoints to the IFD as well.  Best to just clear them all from everywhere before uploading the CSV into one.
Steve Lindsley
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chflyer View Drop Down
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All clear. If there are many (100+) to be deleted, then the quicker alternative is to have both IFD powered down and load the same CSV into both before powering them up again.

Deleting waypoints one at a time is a laborious process if there are many. As mentioned in another thread, if flights are planned at home with ForeFlight and then loaded to the IFD in the cockpit, all the FF VFR waypoints are created in the IFD as new user waypoints since unknown to the IFD even though they already exist as VFnnn. 
Vince
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Melohn View Drop Down
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Originally posted by AviSteve AviSteve wrote:

Yes, the IFDs will sync the user waypoints.  So you can either load the CSV into both or delete all of them from the second one before you load the CSV into the first one.

I asked about the IFD100 just in case it would have tried to sync its waypoints to the IFD as well.  Best to just clear them all from everywhere before uploading the CSV into one.

There doesn’t appear to be a way to delete all waypoints on the IFD trainer or IFD100. However, it’s a lot easier, albeit annoying, to press the CLR button on your iPad at home versus sitting in the cockpit with the power on trying to do the same thing.

I don’t think I understand the logic about syncing between the IFD 100 app and the IFD devices; some times, the app seems to be busy syncing routes and presumably waypoints, while other times it doesn’t seem to even try. Some manual control or method to monitor what it’s doing and how far along might be helpful.

I’ve turned off the ForeFlight feature to sync user waypoints, as recommended by Avidyne, and it has made the flight plan transfer much more reliable. However, some form of transfer, perhaps in the background, might be helpful someday, particularly since it is easy to delete all waypoints from ForeFlight. 

I have found that if you use the same waypoints from a stored route on ForeFlight, they will not create new waypoints on the IFD. However, for those of us who fly complex search patterns that are one time only, the number of junk waypoints does pile up, and it would be helpful to have a way to just clear them out.



Edited by Melohn - 22 Oct 2024 at 2:46pm
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chflyer View Drop Down
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Points: 1035 		Post Options Post Options   Thanks (0) Thanks(0)   Quote chflyer Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 9:37am
Originally posted by AviSteve AviSteve wrote:

Yes, the IFDs will sync the user waypoints.  So you can either load the CSV into both or delete all of them from the second one before you load the CSV into the first one.

I asked about the IFD100 just in case it would have tried to sync its waypoints to the IFD as well.  Best to just clear them all from everywhere before uploading the CSV into one.

I don't seem to be doing this right. I have an IFD540 and IFD440, both set up with cross-sync on RS232 ports (in/out) 3. The two units cross sync flight plans, but don't seem to cross sync user waypoints. 

As mentioned, my user waypoint list was getting filled with "dummy" VFR waypoints created when transferring ForeFlight routes including VFR waypoints to the IFD540, since Jepp names them differently in the IFD navdata and the IFD doesn't recognize them when they come from ForeFlight with ForeFlight's naming convention. I have quite a few personal user waypoints that I would like to keep, so I saved them to the USB stick in maintenance mode as described in the IFD PG. I then modified the CSV file to remove all the unwanted waypoints and just keeping those of interest. The instructions in the PG are very good and all worked as expected up to the point of loading them back into the IFDs.

However, the IFD's don't seem to be cross syncing the user waypoints as expected. I powered off both IFD's and then loaded the new waypoints from from USB CSV file in maintenance mode, first into the IFD540 and then into the IFD440. When both units were powered back up, the new waypoint list is fine in the IFD540 but it has been cleared in the IFD440. Note that I powered up each IFD individually (with the other off) after loading the new waypoints, just to be sure that each IFD had properly loaded the new waypoints.

Anyone know how to get the user waypoints properly sync'd between two IFD's?

Here is what I see with both units powered on:


When I enter a route in the IFD540, the route is cross sync'd fine to the IFD440. But when I add one of the IFD540 user waypoints to the route, the waypoint is not properly sync'd to the IFD440. See below. Note that the waypoint in the IFD440 is unnamed and is located at an entirely different location than the waypoint in the IFD540.




Edited by chflyer - Yesterday at 9:41am
Vince
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