https://archive.libssh.org/libssh/2017-07/0000001.html
Handle control characters in ssh shell server
control charactershandlesshshellserver
https://bighairydog.com/knowledge_base/mmf-cash-drawer-control-characters/
MMF CASH DRAWER CONTROL CHARACTERS - Big Hairy Dog | POS Sales and Support
The characters should be control-g in the ws prefs. Another string is Esc p 0 [Alt+0250]
sales and supportcash drawercontrol charactersbig hairymmf
https://ascii-world.com/characters/control/
ASCII Control Characters - Character Code Table | ASCII World
ASCII Control Characters: complete reference table with 34 characters showing decimal, hex, HTML codes, and names. Copy any character with one click.
ascii control characterscodetableworld