Tally Genicom Matrix Printer - Manual (Page 274)

Example 10 REM proportional spacing
20 LPRINT CHR$(27);"[2y";
30 LPRINT "this is an example with proportional spacing"
40 LPRINT CHR$(27);"[7y";
50 LPRINT "this is an example with normal spacing"
60 END
38 Character Styling