Epson Equity LT User Manual - Page 59

Choosing diskettes for the Equity LT, LT. Choose 3

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stores the data you enter as magnetic patterns on these circular tracks. A small read/write head in the disk drive interprets the magnetic patterns. When a diskette is in a drive, the metal plate above the access area moves aside to expose the diskette surface to the read/write head. The read/write head accesses this part of the diskette when you store, retrieve, and delete data. Unlike a diskette, a hard disk is rigid and fixed in place. It is sealed in a protective environment free of dust and dirt; so you cannot see it. A hard disk stores data the same way as a diskette, only it works faster and has a much larger storage capacity. Because data is stored magnetically, you can retrieve it, record over it, and erase it-just as you play, record, and erase music on cassette tapes. Choosing diskettes for the Equity LT Be sure to buy high-quality diskettes to use in your Equity LT. Choose 3 r -inch diskettes that are 720KB (kilobytes), soft-sectored, double-sided, 135 TPI (tracks per inch). Each diskette can hold 720KB of data, or about 300 pages of text. (One kilobyte equals 1024 bytes.) If you have an external 5 + -inch diskette drive, use 5 $ -inch, 360KB, double-sided, double-density, soft-sectored, 48 TPI diskettes in this drive. These diskettes can hold 360KB of data, the equivalent of about 150 pages of text. They are compatible with those the IBM PC uses, so you can use diskettes prepared by one computer on the other. Because of their size difference, you cannot use a 3 + -inch diskette in a 5 + -inch drive or vice versa. However, if you have both types of drives, (720KB and 360KB), you can copy individual files from one drive to the other with the COPY command. See Chapter 4 in this manual or your MS-DOS manual for instructions on the COPY command. 3-10 Using the Equity LT

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stores the data you enter as magnetic patterns on these circular
tracks.
A small read/write head in the disk drive interprets the
magnetic patterns. When a diskette is in a drive, the metal
plate above the access area moves aside to expose the diskette
surface to the read/write head. The read/write head accesses
this part of the diskette when you store, retrieve, and delete
data.
Unlike a diskette, a hard disk is rigid and fixed in place. It
is sealed in a protective environment free of dust and dirt; so
you cannot see it. A hard disk stores data the same way as a
diskette, only it works faster and has a much larger storage
capacity.
Because data is stored magnetically, you can retrieve it,
record over it, and erase it-just as you play, record, and erase
music on cassette tapes.
Choosing diskettes for the Equity LT
Be sure to buy high-quality diskettes to use in your Equity
LT. Choose 3
r
-inch diskettes that are 720KB (kilobytes),
soft-sectored, double-sided, 135 TPI (tracks per inch). Each
diskette can hold 720KB of data, or about 300 pages of text.
(One kilobyte equals 1024 bytes.)
If you have an external 5
+
-inch diskette drive, use
5
$
-inch, 360KB, double-sided, double-density, soft-sectored, 48
TPI diskettes in this drive. These diskettes can hold 360KB of
data, the equivalent of about 150 pages of text. They are
compatible with those the IBM PC uses, so you can use
diskettes prepared by one computer on the other.
Because of their size difference, you cannot use a 3
+
-inch
diskette in a 5
+
-inch drive or vice versa. However, if you have
both types of drives, (720KB and 360KB), you can copy
individual files from one drive to the other with the COPY
command. See Chapter 4 in this manual or your MS-DOS
manual for instructions on the COPY command.
3-10
Using the Equity LT