Radio Shack TRS-80 model III Owner's Manual page 12

TRS-80
MODEL
III
DISK
SYSTEM
Operation
First,
take
a
few
minutes
to
become
familiar with
the various
elements of your
Disk System. Refer
to
Figures 4 and
5,
This
is
very important.
If
you
try to
use
the
Computer
without having
a
little
background
information,
you
could
damage
a diskette.
Figure
4.
The
Model
III
Disk
System
with External Drives
(optional/extra).
;
Drive
0.
The
trsdos "system
diskette"
goes
in
this drive.
:
Drives
1, 2,
and
3.
These
drives
may
contain "data
diskettes."
Data
diskettes are
described
briefly in this
chapter.
Drive Select
led.
When
a
drive
is
being
accessed,
its
led
lights up.
)
Drive Door. To
insert or
remove
a diskette,
open
this
door.
Never remove
a
diskette
while the led
is
lit,
or while the diskette
contains open
files.
CD
Reset Button.
When
you press
this button,
the
Computer
will
attempt
to
load the
operating system software from
Drive
0.
The
trsdos
diskette
should be
in
Drive
when
you
press
this button.
©
Power
Switch.
All
drives shouid be
empty
when
you
turn the
Computer on
or
off.
Otherwise, the information on
the diskettes
could
be
destroyed.