JUKI LK-1901A Instruction Manual page 124

③ Change the data.
When the button of the item you desire to change
from among buttons (A through C) is pressed, ten
keys are displayed. Input the value you desire.
After inputting, press ENTER button
④ Perform trial sewing.
When READY key
is pressed, the trial sewing screen is displayed.
Trial sewing can be performed in this state.
(D).
(E) in the previous page
123
D