Its a customization. If you use the standard setup (FI), you have no control of when you pick up your mt94x files
There is a small work around (for the standard solution), if you spotted that the connection is also triggered on the edit/save you could potentially use a scheduled script that will edit and save the FI record to trigger it on demand.
But the normal scheduled FI trigger is controlled by NS, and it isn't 8am sharp either.