Release switch of large clamp for presser foot lifting

Multi section seam (1-15 sections)

Presser foot selection key

Lifting the presser foot can make the needle go

Forced memory key for all parameters

Forced memory key (soft start key)

1/2，1/4 powerful needle supplement function selection key

How much adjustment does the knife fit

Knife fit monitoring

Trigger key / shortcut setting restore factory setting key

Needle filling key

P key (enter parameter setting)

Patt pattern key

N key (front and back dense needle)

M multi function button