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GPS nav mode with 850 question

Scheduled Pinned Locked Moved TBM 850
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  • S Offline
    S Offline
    spesimen
    wrote last edited by spesimen
    #1

    greetings black square!
    i'm sure this is user error but i cannot figure out what i'm doing wrong here.
    as you can see, my plane on the map is right on top of the magenta line. but my HSI seems to think i am quite off track and i can't get it to capture the nav mode. i'm going to try chasing the needle to see where it takes me but i'm not clear on why is there such a discrepancy. it's almost like it is thinking there is a different flight path than in the gps units. i think this used to work as expected with the previous 2020 version of the plane? but i cannot figure out what i am doing differently from then.
    thanks for any tips!

    edit: hmm the needle converged to the center of the HSI as i approached the next waypoint and then it captured fine.
    2537590_20250905193840_1.png

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    • MarkBagginsM Offline
      MarkBagginsM Offline
      MarkBaggins
      wrote last edited by MarkBaggins
      #2

      I think that the problem might be the UnSusp button on the right of the cdi button in the 750, so click it. Tell me if it fixed it.

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      • S Offline
        S Offline
        spesimen
        wrote last edited by
        #3

        hmm aha that seemed to fix it 🙂

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        • S Offline
          S Offline
          spesimen
          wrote last edited by
          #4

          i think i spoke too soon there's something odd still going on.
          i activated the approach in the gps and i'm directly on the path, but the cdi shows me very offset again.

          2537590_20250905201742_1.png

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          • MarkBagginsM Offline
            MarkBagginsM Offline
            MarkBaggins
            wrote last edited by
            #5

            idk but maybe you have to change cdi or obs mode, tbh never had this problem, so just try changing these modes and tell me how it went.

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            • P Offline
              P Offline
              plicpriest1
              wrote last edited by
              #6

              Based on your picture, the CDI looks like it is on the final approach course. Your FMA looks like your in HDG mode. Barring any RMI needle, this actually looks pretty good. Only thing left to do is arm the NAV or APPCH and let the autopilot do its thing.

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              • OrlaamO Offline
                OrlaamO Offline
                Orlaam
                wrote last edited by
                #7

                Honestly, I think using multiple GPS units in the sim causes problems. If you could use the TDS 750 and 650 then it would be okay since their products support crossfill. Maybe in the future Nick will include the 650 as an additional GPS unit. I have never used more than one GPS (TDS 750) in the sim and never had any conflicts. I use the standard radio panel as my second NAV/COM unit. You can ignore the KNS-80 and not program any of those older radio/nav panels. I just use them for backup in most cases. The primary GPS is plenty.

                To avoid conflict, you likely have to set either the 750 or 530 to NAV mode, not GPS on both, otherwise they are sending conflicting data to the plane's autopilot.

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                • S Offline
                  S Offline
                  spesimen
                  wrote last edited by
                  #8

                  yeah i think you're right. or maybe something with the free version of the pms750. i swapped it out for a gns530 and everything seems to be working as expected now.

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