Radio Shack TRS-80 User Manual page 7

SETTING
UP THE SYSTEM
Carefully
unpack
the system.
Remove
all
packing
material.
Be
sure
you
locate
all
cables, papers, tapes, etc. Save the packing material
in case
you
need to transport the system.
Connecting
the
Video
Display
and Keyboard:
1.
Connect
the
power
cord
from
the
Video
Display to
a source of
120
volts,
60
Hz
AC
power. Note
that
one prong
of the
AC
plug
is
wider
than
the other
—
the
wide prong should go
into the widest
slot
of
the
AC
socket.
NOTE:
If
you
use an
AC
extension
cord,
you
may
not be
able to
plug the
Display's
power
cord
in.
Do
not attempt
to force
this
wide prong
into the extension cord; use a wall outlet
if
at
all
possible.
Connect
the
power
cord
of the
Power
Supply
to a source of
120
volts,
60
Hz
AC
power.
Connect
the gray cable
from
the front of the
Video Monitor
to the
VIDEO
jack
on the back
of the
Keyboard Assembly. Take
care to
line
up
the pins correctly
(the
plug
fits
only one
way).
NOTE:
Before the next
step,
be sure the
POWER
switch
on
the
back of the Keyboard
is
off (button
out).
Connect
the gray cable from
the
Power
Supply
to the
POWER
jack
on
the
back
of the
Keyboard
Assembly. Again, take
care
to
mate
the connection
correctly.
2.
3.
4.
POWER BUTTON
POWER POWER VIDEO
TAPE
BUTTON
(ON REAR)
Connecting
the Cassette
Recorder:
NOTE: You
do not need
to
connect
the Cassette
Recorder
unless
you
plan to record
programs or to load
taped
programs
into the
TRS-80.
1.
2.
Load
batteries into the
CTR-41
as described
in the Manual.
Or
make
connections
for
120
volt
AC
power.
Connect
the short cable (DIN
plug
on one end and
3 plugs
on
the
other) to the
TAPE
jack on
the
back
of the Keyboard
Assembly.
Be
sure
you
get the plug
to
mate
correctly.
The
3 plugs
on
the other end
of
this cable are for
connecting
to
the
CTR-41.
A. Connect
the black plug
into the
EAR
jack
on
the
side of the
CTR-41.
This connection provides the
output
signal
from
the
CTR-41
to the
TRS-80
(for loading Tape
programs
into the
TRS-80).
Connect
the
larger gray plug
into the
AUX
jack
on
the
CTR-41.
This connection
provides the recording
signal to
record
pro-
grams from
the
TRS-80
onto
the
CTR-41
's
tape.
Also, plug the
Dummy
Plug (provided with the
CTR-41)
into
the
MIC
jack
(this
disconnects the
built-in
Mic
so
it
won't
pick-
up sounds
while
you
are
loading
tapes).
NOTE:
Be
sure
you
always
use the
Dummy
Plug
when
loading
programs onto
tape (Recording).
B
Dummy
Plug
C.
Connect
the smaller gray plug
into the
REM
jack on
the
CTR-41.
This allows
the
TRS-80
to
automatically control the
CTR-41
's
motor
(turn tape motion on and
off for
recording
and
playing
tapes).
Notes
On
Using
The
Recorder
There
are a
number
of
things
you
should be aware of
as
you
use the
Cassette
Tape System:
(Some
of
this will
be covered
in greater
detail
in
Chapter
9
.
.
.
but
some
of you
can't wait
till
then
.
.
.
can you!)
1.
To
Play
a
tape (load a taped program
into
the TRS-80), you must
have the
CTR-41
's
Volume
control
set to
7
to 8.
Then
press the
CTR-41
'
s
PLAY
key and
then type
CLOAD
on
the
TRS-80 and
I3i?fcl3;l this
command.
This
will start the tape
motion.
An
*
will
appear
on
the top
line
of the Monitor;
a
second
* will
blink, indi-
cating the
program
is
loading.
When
loading
is
done,
the
TRS-80
will
automatically turn the
CTR-41
off
and
flash
READY
on the
screen.
You
are
then ready
to
RUN
the
program
(type
in
and
hit
021133).