Yamaha qx21 Owner's Manual page 35

IMPORTANT
SAFETY
AND
INSTALLATION INSTRUCTIONS
INFORMATION RELATING TO POSSIBLE
PERSONAL
INJURY,
ELECTRIC
SHOCK AND
FIRE
HAZARD
POSSIBILITIES
HAS BEEN INCLUDED
IN
THIS
LIST.
WARNING
—
When
using
electronic products, basic prec-
autions should always be
followed, including the following;
1.
Read
all
Safety
and
Installation Instructions, Supple-
mental Marking and
Special
Message
Section
data,
and
any
applicable assembly
instructions
BEFORE
using
this product.
2.
Check
unit
weight
specifications
BEFORE
you
attempt
to
move
this product.
3.
Main power
supply
verification.
Yamaha
Digital
Musical
Instrument products are
manufactured
specifically
for
use
with the
main
supply voltage used
in
the area where
they are
to
be
sold.
The main
supply voltage required
by these products
is
printed on
the
name
plate.
For
name
plate location please
refer
to
the graphic
in
the Special
Message
section.
If
any doubt
exists please contact
the
nearest
Yamaha
Digital
Musical Instrument
retailer.
4.
Some Yamaha
Digital
Musical Instrument products
utilize external
power
supplies
or
adapters.
Do
NOT
connect products
of this
type
to
any power
supply
or
adapter
other than the type
described
in
the
owners
manual
or
as marked
on
the
unit.
5.
This product
may
be equipped
with a plug having three
prongs
or
a
polarized
line plug (one blade wider than
the
other).
If
you are unable
to insert the plug
into the
outlet,
contact an
electrician
to
have
the
obsolete
outlet
replaced.
Do
NOT
defeat the safety purpose
of
the
plug.
Yamaha
products
not having three prong
or polarized
line plugs incorporate construction methods and
de-
signs
that
do
not require
line plug polarization.
6.
WARNING
—
Do
NOT
place objects on
the
power
cord
or place the
unit
in
a
position
where any one
could
walk
on,
trip
over, or
roll
anything over cords
of
any
kind.
An
improper
installation of this
type
can create
the
possibility of
a
fire
hazard and/or personal
injury.
7.
Environment: Your
Yamaha
Digital
Musical Instrument
should be
installed
away
from
heat
sources such as
heat
registers and/or
other products
that
produce
heat.
8.
Ventilation; This product should be
installed or posi-
tioned
in
a
way
that
its
placement
or location
does
not
interfere
with proper
ventilation.
9.
Yamaha
Digital
Musical Instrument products are
fre-
quently incorporated
into
"Systems" which
are
as-
sembled on
carts,
stands
or
in racks.
Utilize
only those
carts, stands, or racks
that
have been designed
for this
purpose and observe
all
safety precautions supplied
with the products.
Pay
special attention
to
cautions
that
relate
to
proper assembly, heavier
units
being mounted
at
the
lower
levels, load
limits,
moving
instructions,
maximum
usable height and
ventilation.
10.
Yamaha
Digital
Musical Instrument
products,
either
alone
or
in
combination
with
amplification,
headphones,
or speakers,
may
be capable
of
producing sound
levels
that
could cause permanent
hearing
loss.
Do NOT
op-
erate
at
high volume
levels or
at
a
level that
is
un-
comfortable.
If
you experience any
discomfort, ringing
in
the ears, or
suspect any hearing
loss,
you
should
consult
an
audiologtst.
11.
Do
NOT
use
this
product near water
or
in
wet
environ-
ments. For example, near
a
swimming
pool, spa,
in
the
rain,
or
in
a
wet basement.
12.
Care
should
be taken so
that objects
do
not
fall,
and
liquids
are
not spilled
into the enclosure.
13.
Yamaha
Digital Musical Instrument products should be
serviced by a
qualified service person when;
a.
The power
supply/power adapter cord
or plug has
been damaged;
or
b.
Objects have
fallen,
or
liquid
has been
spilled
into
the products; or
c.
The
unit
has been exposed
to rain; or
d.
The
product does
not operate, exhibits
a
marked
change
in
performance;
or
e.
The
product
has been dropped,
or the enclosure
of
the product has been damaged.
14.
When
not
in
use, always
turn your
Yamaha
Digital
Mu-
sical
Instrument equipment
"OFF". The power
supply
cord should be
unplugged from
the
outlet
when
the
equipment
is
to
be
left
unused
for
a
long period
of
time.
NOTE:
In this
case,
some
units
may
lose
some
user
programmed
data. Factory
programmed memories
will not
be
affected.
15.
Electromagnetic
Interference
(RFI).
Yamaha
Digital
Musical Instruments
utilize
digital
(high frequency
pulse) technology
that
may
adversely
affect
Radio/TV
reception. Please read
FCC
Information (back cover)
for
additional information.
16.
Do
NOT
attempt
to
service
this
product beyond
that
described
in
the user
maintenance
section
of the
owners
manual.
All other servicing should be
referVed
to
qua-
lified
service personnel.
PLEASE KEEP THIS
MANUAL
FOR
FUTURE
REFERENCE!
This information
on
safety
is
provided
to
comply
with U.S.A. laws, but
should be observed
by users
in all
countries.