HP Compaq t5510 Thin Client - Manual (Page 320)

C-52
Host Command Summary
Assign foreground/background colours ESC SPACE h *CGAcol
Assign fore/background colours to write-protected chars ESC SPACE i *CGAcol
Assign foreground colours to write-protected chars ESC SPACE j *fc370
Assign background colours to write-protected chars ESC SPACE k *fc370
Assign display attribute to write-protected characters ESC SPACE 1 *assattr
370/350 COLOUR MISCELLANEOUS
Select border colour ESC SPACE b *c370
Assign replacement character colours & attributes ESC SPACE y *fc370 *bc *attr