This is highly unlikely to ever change once you have your machine setup as it is set in the factory and tested before it leaves.
However, if you have had an upgrade or had to change the needle positioner board, cable or pulley – then this short tutorial will assist in setting it in the correct position.
Your aim is to have your needle complete its cycle to stop in the correct position to release the bobbin thread from the hook assembly. The needle should be just starting to move down after reaching the highest position in its rotation to be in the correct location to release the thread naturally.