Epson Progression U12 - Manual (Page 150)

As the program checks each track, it decreases the cylinder
numbers to zero.
When the test is complete, the program displays a report on the
status of the disk, including a table of unflagged tracks that
produced write, read errors-such as the following:
Analysis finished.
Count of tracks flagged bad =
Count of tracks with write, read errors =
Count of good tracks
No write, read error was detected.
No data was destroyed.
Press to return to the menu.
If the program finds an unflagged bad track, the report is
followed by a table like this:
To flag these tracks as bad, select
Y
.
You see a list of the tracks
as they are flagged. When the process is complete, press
to return to the Hard Disk Format Menu.
6-10 Formatting a Hard Disk