Issue link: https://docs.hic.us/i/445658
How to use each part 23 Chapter 2 2-7. Tension base (1) Left switch a. Set the left switch to middle position at the head to operate. b.Set the left switch to bottom position at the head to suspend. Left switch Lighting condition of left lamp Left switch Lighting condition of left lamp (Offset lamp) (→p.26) Right lamp (Presser foot switch) (→p.26) Right switch (Tension base switch) Left switch (Thread breakage Left lamp (→p.25) indicator lamp) Middle position Unlit Green Lower position Green Unlit RR01