I wanted to create a sound pack more Submarine oriented, for example when I switch on Ballast Blow, my X18 says "blowing ballast" so I do not forget to switch it off. Here is a video explaining how to create and load the files to your radio:
https://youtu.be/2AcB_jrFFK4?si=MikleX5OfLkQASxa
https://youtu.be/2AcB_jrFFK4?si=MikleX5OfLkQASxa