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Important Notes
In addition
to
the
items
listed
under
Safety Precautions inside the
front cover,
please read
and
observe
the following;
Power Supply
•
Before connecting
this
unit
to
other
devices, turn
off
the
power
to
all
units;
this
will
help prevent
damage
or
mal-
function.
•
Do
not use
this
unit
on
the
same power
circuit
with
any
device
that will
generate
line noise;
an
electric
motor
or
variable lighting
system,
for
example.
•
Avoid damaging
the
power
cord:
do
not
step
on
it,
place
heavy
objects
on
it,
etc.
Placement
•
Do
not subject the unit
to
temperature extremes
(e.g.,
direct
sunlight
in
an
enclosed
vehicle).
Avoid
using
or
stor-
ing the unit
in
dusty
or
humid
areas,
or areas
that
are
sub-
ject
to
high
levels of vibration.
•
Using
the unit
near
power
amplifiers
(or
other
equipment
containing
large
power
transformers)
may
induce
hum.
•
This device
may
interfere
with
radio
and
television
recep-
tion.
Do
not use
this
device
in
the vicinity of
such
receivers.
Maintenance
•
For everyday
cleaning
wipe
the unit
with
a
soft,
dry
cloth
or
one
that
has
been
slightly
dampened
with
water.
To
remove
stubborn
dirt,
use
a mild,
non-abrasive
detergent.
Afterwards, be sure
to
wipe
the unit
thoroughly with
a
soft,
dry
cloth.
•
Never
use benzene,
thinners,
alcohol or solvents
of
any
kind,
to
avoid
the
possibility of
discoloration
and/or
deformation.
Additional Precautions
•
Protect the unit fi-om
strong impact.
•
Do
not allow
objects
or
liquids
of
any
kind
to
penetrate the
unit.
In the
event
of
such an
occurrence, discontinue use
immediately. Contact
qualified service
personnel
as
soon
as
possible.
•
Never
strike
or
apply
strong pressure
to
the display.
•
A
small
amomit
of
heat
wUl
radiate
from
the unit
during
normal
operation.
•
Before using the unit
in a
foreign country, consult
with
qualified service
persomiel.
•
Should
a
malfunction
occur, or
if
you
suspect
there
is
a
problem, discontinue use immediately. Contact
qualified
service
personnel
as
soon
as possible.
•
A
small
amount
of
noise
may
be heard from
llie
display
during
normal
operation.
•
To
avoid
the
risk
of
electric
shock,
do
not
open
the
unit.
Memory
Backup
•
This
unit contains
a
battery
which powers
the
unit's
mem-
ory
circuits
whOe
the
main
(AC)
power
is off.
The
expected
life
of
this
battery
is
5
years
or
more.
•
When
the battery
becomes
weak
the
following
message
will
appear
in the display:
"Internal
Battery
Low."
Please
change
the battery as
soon
as possible
to
avoid
the
loss
of
memory
data.
•
Please
be aware
that
the contents of
memory may
at
times
be
lost;
when
the unit
is
sent
for
repairs
or
when
by some
chance
a malfimction has occurred. Important data
should
be
stored
on
a
RAM
card,
in
another
MIDI
device
(e.g.,
a
sequencer).
•
During
repairs,
due
care
is
taken
to
avoid
the
loss
of data.
However,
in certain
cases (such as
when
circuitry
related
to
memory
itself
is
out
of
order),
we
regret that
it
may
not
be
possible
to
restore the data.
Expansion Board
•
Never
install
any
circuit
board
which
has not
been
manu-
factured
and
/or
approved by
Roland.
•
Always
turn the
unit
off
and unplug
the
power
cord
before
attempting
any
circuit
board
installation.
•
Do
not touch
any
of
tlie
printed
circuit
pathways
or con-
nection
terminals.
•
Remove
only
the specified screws. Carefully
handle
the
components
as instructed.
•
Never
use
excessive
force
when
installing a circuit
board.
If
it
doesn't
fit
properly
on
the
first
attempt,
remove
the
board
and
try
again.
•
When
circuit
board
installation
is
complete,
check your
work.
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