Const
String: ESC + Private Use 1 (PU1) Reserved for private function agreed on between the sender and the recipient of the data. *
ESC
PU1
ESC + "Q" Copy
ESC + "Q"
https://en.wikipedia.org/wiki/C0_and_C1_control_codes
String:
ESC+ Private Use 1 (PU1) Reserved for private function agreed on between the sender and the recipient of the data. *