Star Micronics TSP400 Series Programmer's Manual page 123

Before using this File Merge option it is recommended to double check that the
data in the file being read corresponds to the bar-code type selected.
Time & Date function
This prints the date and/or time automatically when you print labels. This is
blocked at the time the printer starts to print. Check your computer time and date
before printing such labels.
From the left side select Date or Time. If you want to print both, you can do one
selection now and then do the other selection next to it later.
The options of Time, Width, Height and Direction are the same as used in the
Text input option.
Clicking the mouse several times on the windows displaying dddd - mmmm -
9999 lets you modify the presentation of the date or to display only a certain part
like the year only.
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