Issue link: https://docs.hic.us/i/445631
115 To adjust finishing of sewing Chapter 5 1 2 3 4 5 6 7 8 9 10 11 PT10 (3) To press F2 key (4) To select Frame Drive Start Timing 7-7. To make a remaining upper thread inconspicuous (Upper thread lock timing) 7-7-1. Explanation on the screen [a] Timing to open upper thread lock Perform adjustment when upper thread remains on the fabric after start of sewing. When upper thread is still highly visible at A, set B or C. [b] Timing to close upper thread lock Perform adjustment when upper thread remains on the fabric after thread trimming. When upper thread is still highly visible, set to B or C. 2 Frame Drive Start Timing 280 270 F2 A 10 Upper thread lock timing A/B/C A Release Lock A/B/C [a] [b] Remaining length of upper thread Remaining length of upper thread after start of sewing after thread trimming Open Upper thread Upper thread lock Close A B Upper thread is easy to remain, and easy to fray C Upper thread is hard to remain, and hard to fray