JUKI LBH-1790 Instruction Manual page 132

3 Close the mode screen and display the data
input screen.
When the mode screen is closed and the data
input screen is displayed, pictograph (C) showing
the key lock state is displayed on the right-hand
side of the pattern No. display.
Besides, only the buttons which are possible to
be used even in the key lock state are displayed.
C
C
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