The n1 and n2 would represent variables to set variables, think it mentions speaker in the text so if its like the buzzer on some printers the 2 numbers on end likely relate to eihter, pitch/tone or length or maybe number of bleeps/speed. My buzzer has 2 values which are number of bleeps and time ie, 10,2 would be 10 fast bleeps and 3,9 would be 3 longer slower bleeps.
Xct codes wont work in html mode.
If you need html template you need to duplicate printer in samba, set duplicate to pos and have you xct command in seperate template/job and add job as seccond action in your flow.
I gave instruction above and is in several topics of forum.
If you want html template you will need seperate template on duplicate printer with print job, action to send xct commands.
Look arround on forum, you will find it covered as has come up several times.
Omg, Its finally working after so long. Thank you for your help. I duplicated the printer, set it to pos mode, then created a new print job, and a template. For anyone that wants to know, the code for this is