Const
String: ESC + Single Graphic Character Introducer (SGC) Intended to allow an arbitrary Unicode character to be printed; it would be followed by that character, most likely encoded in UTF-1. *
ESC
SGC
ESC + "Y" Copy
ESC + "Y"
https://en.wikipedia.org/wiki/C0_and_C1_control_codes
String:
ESC+ Single Graphic Character Introducer (SGC) Intended to allow an arbitrary Unicode character to be printed; it would be followed by that character, most likely encoded in UTF-1. *