Epson CW3S16 Operation Manual page 79

For now, type N. The system prompt will reappear. To
compare the backup diskette with the original, you will use the
DISKCOMP command. Enter the command at the system
prompt:
A > DISKCOMP
The computer will respond:
Insert FIRST diskette in drive A:
Press any key to continue...
original "master" MS-DOS main system diskette back into the
floppy disk drive, then press the SPACEBAR key. As with the
DISKCOPY command, your computer will read the entire
contents of the diskette into system memory, and will display:
I
Comparing xx tracks
x Sectors per Track, x Side(s)
When the computer is finished reading, the drive will turn off,
and the following message will appear:
Insert, SECOND diskette In drive A:
Press any key to continue...
Using MS-DOS With Your Computer
4-14