General Information
After all cables
are
connected, turn the tone
control on your cassette player to full
TREBLE
or to the point indicated
on
the table on the
separate
cassette
sheet.
Set
the volume
at
about
half scale (if the volume control
has
ten
positions, set it
at
five or
at
the position
indicated in the table).
If
your cassette player
does not have a tone control, you
may
have to
set the volume control higher for best results.
Nute.
The
Memory
Expansion
unit
adds
32K
bytes
of
Random
Access Memory (RAM) to the built-in
memory of the computer. However, even with
the Memory
Expansion
unit available, the
largest program
that
can
be
stored
on a
cassette
tape
is
12K
bytes in size. Note that, although
the length
of
the
actual
program is limited by
the
amount
of available built-in memory,
utilizing the Memory
Expansion
unit provides
other advantages.
For
example, with the unit
attached
and
turned
on, your
program
can
be up
to
12K
bytes in length, while any
data
generated
by the program
can
be
stored
in the Memory
Expansion
unit. Without the unit.
the
program
must be
shorter
so
that
both
it
and
the
generated
data
can
be stored in the computer's
built-in memory.
TO
SAVE/LOAD
DATA
If
you
have your
cassette
machine(s) connected
to the console
as
instructed, you
are
ready
to
save/load
data.
Before you
attempt
to
save/load
your
data.
make
sure that:
•
You
are
using high quality audio tape.
Poor
quality
tape
yields poor performance.
•
The
tape
is
not
longer
than
C-60.
Longer
tapes
are
thinner
and
provide less fidelity.
•
The
cassette machine is not located within
two
fect
of
the
monitor
or
a
television
set
to
minimize magnetic field interference_
•
The
tape
is
never placed within two feet of the
monitor, a television set. an electric motor. or
any other
strong
source
of magnetic fields to
avoid accidental
erasure
ofyour data,
• T
he
system lcomputer console,
cassette
machine,
and
Color Monitor)
is
not located on
a continuous metallic surface to minimize
conducted
nOIse.
1-10
•
You
are
using only
CSI
for
LOAD.
CSI
or
CS2
can
be used for SAVE.
To
Save/Load
Data in T I
BASiC
r'or complete instructions on how to save
and
load
data
when you
are
programming in
TI
BASIC,
see
the
section on the SAVE command.
To
Save Data When Using a Module
After you have entered your
data
into the
computer and connected the recorder
to
the
computer (with a good quality tape cassette in
place), you
are
ready to begin recording. Select
the "SAVE" option offered by the module you're
using.
The
computer then offers you a list of
options for saving data.
(Note.-
You'll get
an
error
message if you select an option for a device that
isn't connected to the console
and
turned ON.)
Suppose. for example.
that
you want to save:
your
data
on a
cassette
recorder that's attached
to the triple'plug end of the
cassette
interface
cable, Select
CSI
(cassette unit 1)
from
the
options list.
From
this point on, the computer guides you
through the
SAYE routine with on'SCreen
instructions.
(N
ate
that
the
same
instructions
appear
whether
you select
CSI
or CS2.)
The
computer controls the
recorder
motor power. so
the tape does not
start
to move until
you
press
ENTER
at
the points indicated.
Screen Instructions
*
REWIND
CASSETTE
TAPE
CSI
THEN
PRESS
ENTER
Procedure
Rewind the
tape
before you press ENTER.
If
your
recorder
does not have a tape-position counter.
rewind the
tape
all the
way
to the beginning.
If
your recorder does have a position counter.
position the
tape
at
the spot where you
want
to
begin recording,
and
press the "stop" button on
the recorder. (Write down the position for later
reference.)
Then
press ENTER
to
continue.
User's Reference Guide
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