73: fsx.CFG – Vertical Sync

When vertical synchronization (refresh) of display is not set properly, it is very likely that some sorts of screen-shearing problem will be introduced in FSX.

This screen-shearing issue can be easily identified when the view is turning to the left or turning to the right quickly, especially in the virtual cockpit view.  It seems that the upper half or the lower half of the screen is lagging behind to the other.

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