Mitsubishi Electric R56TB Instruction Manual page 223

<1> Size : Set the width of box in which the content of program is displayed. The value
from 1 to 16 can be set.
<2> Slot : Select task slot number for which the program is executed.
The range of slot number that can be set is different according to the system
that uses it.
<3> Color : Select the background color of the area where the content of program is
displayed.
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