brake signal bk is switched on at step 75 if the brake timer has expired the brake signal bk is switched off at step 76 the flag s4onf is cleared to 0 at step 77 and the thread trimmer flag trimf is cleared to 0 at step 78 it is to be understood that stitching start or thread trimmer start is made as described in said conventional example and will not be described here a sixteenth embodiment of the invention and a seventeenth embodiment of the invention will now be described the arrangement of an apparatus in the present embodiment is identical to that in embodiment 15 and will not be described fig3 illustrates the operation of a sewing machine controlling apparatus concerned with embodiment 16 showing the operation which begins with a stop at the needle up position after thread trimming when the jogging signal s4 is switched on in this status the run signal srt is switched on and the reverse rotation signal r is on the forward rotation side whereby the sewing machine 1 starts forward rotation since the jogging command flag s4onf is 1 at this time the sewing machine 1 rotates by the jogging angle.