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FSX lags when using PTT

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Hi guys,

Hope you can help me. Yesterday I took the PMDG 777 for the first spin after I had to reinstall FSX due harddisk issues. I noticed that when I transmitted FSX started to lag going from apx. 30 FPS to 9 FPS and I found out it´s only when using PTT. After landing this morning I tried the NGX and MJS Q400 and they have the same issue in VC, but when switching to 2D on NGX the problem dissapears or at least it don´t have the same effect.


I don´t recall having this issue prior to reinstalling FSX.


I use CH Yoke with a assigned PTT through FSUIPC and VPilot and have tried running without VPilot and ASN and FSX is run as admin and also tried deactivating Norton.


I have tried to clear the PTT assignment in FSUIPC and FSX stopped lagging, but when re-assigning PTT the lagging starts again.


Since I am flying on a online network the PTT is quite important for me and I hope someone can help me fixing this issue.


Best regards


Peter Lund

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