The steps are as follows.

Press”STOP/CANCEL”button,choose “Save break”

Press”RUN/PAUSE/DELETE” and “X+”combination button, choose list NO.1
Press”REF/OK”button,enter”start speed setting”interface,change “SpeedScale” from 1 to 0.2
Press”REF/OK”button,it will continue to work.
The video is as follow.