Star Micronics TSP400 Series Programmer's Manual page 117

You have three different kinds of text:
You can type in the Alpha-Numeric text in the window where the letters ABC are
shown in the above sample.
You can choose to input only numbers by clicking on the
option. This will show two additional options:
is used to increase the number printed with each label
printed; an increment of 2 will print the number in steps of 2 that is 1,3,5,7,9 etc.
Clicking the mouse on will store the last number printed on the label
and next time you print the same label, the number will continue on the last
number printed.
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