Epson EPL-5000 Guide De L'utilisateur page 523

If *** appears on the display, the number of lines you selected is
outside the possible range of 5 to 128.
SYMSET
Use the SYMSET option to choose from the resident symbol sets. In
most cases, you will not change this setting. Character tables of these
symbol sets are shown in Appendix B.
2-16
SelecType