How to choose the tool orientation

I want to use my diy cnc lathe tool orientation like we do everyday work in manual metal lathes.
What are settings?

3. Lathe Tool Orientation

The following figure shows the lathe tool orientations with the center line angle of each orientation and info on FRONTANGLE and BACKANGLE. The FRONTANGLE and BACKANGLE are clockwise starting at a line parallel to Z+.


linuxcnc.org/docs/html/lathe/lathe-user.html

you can have the tool on the front or on the back of the part
therefor the settings are different

gnipsel.com/linuxcnc/g-code/lathe02.html

Content not found.
My tool orientation like manual lathe.
Where is it?
I couldn’t find it!