high-fidelity cassettes
because they
generally have tough emulsions and solid mecha-
nics. Besides being
less likely to jam, "name" cassettes
assembled with machine
screws
are preferred because
they can be opened
and repaired without
destroying the
cassette
itself.
8-2 PRECAUTIONS
Assume that
it
is always
possible for a computer error to occur. You don't have
to
always have 100 perfect programs
and two sequences before storing them. Backup any
program or
sequence into which you've invested time which you don't want to spend in
rework.
It is
best to use two
different backup cassettes, alternately saving to one, then the
other. This protects you from mechanical
failures of a cassette.
For
protection
from loss or damage, maintain a duplicate set of cassettes in
a safe
place.
Protect "permanent"
programs and sequences from
accidental erasure by removing the
"write protect" tab on
the back of the cassette.
Be
careful with
cassettes. Do not touch the
tape itself (with your oily fingers). Don't
leave them in direct sunlight or freeze them
overnight in a car.
Make sure there is no tape sticking
out of the cassette when inserting into recorder.
Use an
AC-supply with portable recorders.
Using (weak) batteries may cause tape
speed variations outside
of the interface's range.
Don't copy tapes between
recorders. Instead load the
master into and record the copy
from the Prophet-600.
Clean and demagnetize your recorder every
10
-
20 hours.
Protect
cassettes from the
(slight) possibility of magnetic transients
by removing them
from the recorder when
switching its power on or off.
If using a stereo deck,
record on both channels
simultaneously to preserve monophonic
compatibility. (Otherwise,
playback noise from an
unrecorded channel could interfere
with data loading).
If recorders A and
B
have
each been used satisfactorily
by themselves, and tapes
exchanged between them
produce errors, the two recorders probably have
quite
different tape
speeds. The same error could occur on
a single recorder operated at one
time
from batteries and another time
from an AC-supply.
8-2
CM600A
12/82
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