From the User's Manual:
For each setting, move point. key(s) indicated:
to set left margino
to set the right margino
to the!" left of the margino
to set a tab. Vou set at the left and right margins. Vou • TClr
to clear a tab.
• TClr + CRln
elear ali The earrier does not margino when the carrier is tive margino Vou type or space through ríght margino saved when the oft.
the carrier to the desired point, and press the
release the left margin, ther Backspace
or +- to move
You can up to 26 tabs. Permanent tabs exist
You cannot clear these tabs.
to clear all tabs.
carrier lock at the right margin. The typewriter beeps
about five spaces before the right margin. You can
the right margin. Margin and tab settings are
typewriter is turned.
You can download the User's Manual from LEXMARK:
Look for the title 'IBM Typewriters' at the end of the page, open the list box and select your typewritter model.