Epson CW3S16 Operation Manual page 185

Each of these fields are described earlier in this tab under the
heading "Hard Disk Format Test."
When you have filled the first seven fields with an appropriate
response, enter "Y" in the Proceed field. The following
WARNING message will appear:
The Bad Track List with all current entries, and the Activity
box will also appear at this time. Entering N will return the
cursor to the Disk Drive Type field in the Hard Disk Surface
Analysis information box. Entering Y will initiate the test.
While the test is performed, Write and Verify are highlighted
with a block cursor in the Activity box. These words flash
during the test. The status line below displays the cylinder,
head and sector numbers as they are written and verified.
Note
The test can be aborted at any time by pressing the
< ESC> key.
Press < ENTER > to return to the main menu.
E-22 Advanced ROM Diagnostics