What are these screens Fanuc-0i_D

When you press button "MESSAGE" ,next three times press button ">" ,next press button "W.GRFH" ?
Attachment 243942Attachment 243944

Tracing function for troubleshooting. Obviously this is a 0i-D not a 0D.

Thanks, changed the name thread.
I understand that for troubleshooting
I do not understand how to use
I do not have manual