Mitsubishi Electric MELDAS 600M Series Instruction Manual page 431

(2) Handling floppy disks
Please observe the following points to ensure long use of floppy disks.
(a) Precautions for use
(b) Precautions for storage
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CHAPTER 3 MAINTENANCE
1) Never touch the magnetic surface of the floppy disk. The disk may
become impossible to read if fingerprints adhere to the magnetic
surface.
2) Do not touch the disk with oil or iron filings on the hands.
3) Keep the floppy disk away from cigarette smoke, etc. Do not allow
any solvent to contact the magnetic surface.
4) When attaching an index label on the floppy disk, attach the label in
the correct positions so it will not peel off. Do not attach more than
one label on the floppy disk.
5) Write on the label before attaching it to the floppy disk. Use a
soft-tipped instrument such as a felt-tip pen to write on labels
already attached to the floppy disk.
6) Gently insert the floppy disk into the floppy disk unit with the correct
orientation. The floppy disk may be damaged if it is roughly inserted
or removed.
7) Before using a floppy disk brought in from outdoors where there is a
great difference in temperature or humidity, leave the disk in the
room for at least 30 minutes.
1) Always store floppy disks that are not being used and backup floppy
disks in a plastic case.
2) Do not leave floppy disks in direct sunlight or near heaters.
3) Keep floppy disks away from magnets or objects having a strong
magnetic field. Magnetic rings, necklaces, etc., can also cause
damage to the floppy disk data, so avoid wearing these when
handling floppy disks.
4) Do not place heavy objects on floppy disks.
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7. Daily Maintenance
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