Connect
the
end of
the
lead
which is fitted with the larger edge-connector plug, into
the socket marked
DISC
DRIVE
2
at
the
rear
ofthe computer.
Connect
the
other end ofthe lead which is fitted with a smaller plug, into the socket
at
the
rear
of
the
FD1 disc drive.
DON'T FORGET -Before connecting or disconnecting the 2nd disc drive, make sure
that
any discs
are
removed from both drives, and
that
the
system is switched
off.
If
connections
are
altered while
the
system is on,
it
is likely
that
the
program
in
the
computer's memory will be corrupted. Always save any valuable programs before
meddling with connections!
When
the
FD1 is connected to
the
6128, FIRST switch on
theFD1
using the slide
switch on
the
rear
panel of
the
disc drive, THEN switch on the 6128 using the slide
switch on
the
rear
panel of
the
computer. Both
the
green and red indicators on the
front panel of
the
FD1 should be illuminated. The 2-drive system will then be ready to
operate.
Details of2-drive operation will be found
later
in
this
manual.
External amplifier/speakers
The 6128 may be connected to a stereo amplifier and speakers to enjoy the full
3-channel capabilities of the computer.
The
input
lead to your stereo amplifier should be terminated with a 3.5mm stereo
jack plug, which should be inserted into
the
socket marked
STEREO
on
the computer.
The connections to
the
jack plug are:
Plug tip -Left channel
Plug
inner
ring
-Right channel
Plug
rear
shaft - Ground (Common)
The 6128 will provide a fixed voltage signal out of the
STEREO
socket, and you should
therefore use
the
controls on
the
amplifier itself to regulate volume, balance and
tone.
High impedance headphones will also operate with the 6128, however the volume
will not be adjustable by
the
VOLUME
control on the computer.
Low
impedance
headphones, such as those usually used with stereo systems, will not operate directly
plugged into
the
computer.
Details concerning the directing of sound to the required output channel will be found
later
in
this
manual.
Foundation Course Chapter 1 Page 9
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