Anytone 779uv programming question

I am looking for help to unerstand what dn and dl mean in the anytone 779uv radio programming is

Where did you encounter “dn” and “dl” in respect to programming your Anytone?

Under end code and decode for the tones for transmission

Looks like DCS codes. Just pick the same on both ends of the link. Some info on the subject:

Ok i have some tones that im trying to input thats dpl if that makes any sense