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SECTION 3
OPERATION PROCEDURES
3.1
GENERAL
There are no front panel controls on the Model FDD100-5 Disk Drive. A single front panel indicator
lamp lights when the disk drive is selected. All power and control functions are handled through the
interface. Operating procedures consist primarily of loading and unloading the diskette. Adjustments
and corrective maintenance procedures are covered in Section 5, Maintenance.
3.2
DISKETTE
The diskette recording medium is contained in a sealed envelope that measures 5.25 inches
(13.335 cm) square. The diskette recording medium is 5.125 inches (13.0175 cm) in diameter
and is made of mylar coated with magnetic oxide on both sides. The diskette has 40 circular
tracks that are spaced 0.02083-inch (0.529082 mm) apart.
3.3
DISKETTE HANDLING
Protection of the diskette requires the same careful handling specified for computer magnetic
tapes. Use the following procedure:
A.
Return the diskette to its storage envelope whenever it is removed
from the disk drive.
B.
Keep diskettes away from magnetic fields and ferromagnetic materials.
C.
Replace storage envelopes when they become worn, cracked, or
distorted.
D.
Do not write on the plastic jacket with a lead pencil or ball-point
pen; use a felt-tip pen.
E.
Do not touch or try to clean the diskette surface. Abrasions may
cause loss of data.
F.
Do not expose diskette to heat or sunlight. Exposure to temperatures
in excess of 51.6
0
C (125
0
F) may cause irreversible damage to
the diskette.
3-1
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