Epson 1500 - Manual (Page 231)

GL -Like mode
The following two commands are added to LJ3-GL/2 mode.
CS
Designate standard character set
CA Designate alternate character set
Available symbol sets for these commands:
ASCII, JIS ASCII, Roman Extension, Katakana,
International Reference Version, Swedish,
Swedish for Names, Danish/Norwegian, German,
French, United Kingdom, Italian, Spanish,
Portuguese, Norwegian Version 2
B-54 HP Emulation Mode