I do not know anything about this particular machine as I have an HQ16. I had to teach myself to use it as I purchased it used.
BUT I pin baste my quilt sandwich across the top instead of stitching. When the top section is stitched and ready to roll---I remove those pins.
I also pin baste down each side with 4 pins. When that section is stitched-----I remove the side pins----roll---and reattach the pins down the side.
I make quilts for myself and charity. I have a part time job and do not want quilting to be THAT. So I am just fine with how mine turn out. I quilt for a couple of friends and they think they are fabulous.
I just do free motion unmarked from the front of the machine.