Yamaha SPX90 SPX90 Owners Manual Image - Page 3

Precautions

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PRECAUTIONS NOTE: It is vital to read this section before using your SPX90 Digital Multi-Effect Processor. This unit utilizes state-of-the art digital technology which, although designed to provide years of trouble-free use, requires careful handling. • VOLTAGE RATINGS Be sure the AC supply in your area is appropriate for your SPX90. U.S./Canadian Model: 110V - 120V, 50/60Hz. General Model: 220 - 240V, 50/60Hz. • ENVIRONMENTAL TEMPERATURE Do not expose the SPX90 to excessive heat. The operating temperature range of this unit is between 0 and 40 degrees centigrade (32 and 104 degrees Fahrenheit). The LCD may not function properly under extreme temperature conditions. It will return to normal after cooling down to within the proper temperature range. • EXTERNAL CLEANING Do not clean the exterior of the SPX90 with solvents such as benzine or paint thinner. Dust, dirt, or fingermarks should simply be removed with a soft, dry cloth. Internal cleaning of the unit should only be performed by a qualified technician. range. • BACKUP BATTERY To ensure that User Programs are not lost when the SPX90's power is turned off, a built-in long-life battery acts as a backup. In normal use, this battery lasts 5 years, but it is advisable to change the battery before this time has elapsed. Contact your local Yamaha dealer for details. NOTE: When you change the battery, the User Programs may be lost. As a safeguard, take note of all parameters of your User Programs in the USER PROGRAMMING TABLE accompanying this manual. The SPX90 can then be reprogrammed once a new battery is installed. The preset programs are permanent, and will not be affected by a change of battery. • ERROR MESSAGES When power is initially turned ON an automatic circuit test program is executed to ensure proper operation. If an error is encountered, one of the following error messages will be displayed: E0: ROM checksum error. El: CPU RAM read/write error. E2: External RAM read/write error. Make a note of the error message and inform the service personnel when the unit is to be serviced. 2

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PRECAUTIONS
NOTE:
It
is
vital
to
read
this
section
before
using
your
SPX90
Digital
Multi
-Effect
state
-of
-the
art
digital
technology
which,
although
designed
to
provide
years
careful
handling.
•
VOLTAGE
RATINGS
Be
sure
the
AC
supply
in
your
area
is
appropriate
for
your
SPX90.
U.S./Canadian
Model:
110V
-
120V,
50/60Hz.
General
Model:
220
-
240V,
50/60Hz.
•
ENVIRONMENTAL
TEMPERATURE
Do
not
expose
the
SPX90
to
excessive
heat.
The
operating
temperature
range
of
this
unit
is
between
0
and
40
degrees
centigrade
(32
and
104
degrees
Fahrenheit).
The
LCD
may
not
function
properly
under
extreme
temperature
conditions.
It
will
return
to
normal
after
cooling
down
to
within
the
proper
temperature
range.
•
EXTERNAL
CLEANING
Do
not
clean
the
exterior
of
the
S
PX90
with
solvents
such
as
benzine
or
paint
thinner.
Dust,
dirt,
or
fingermarks
should
simply
be
removed
with
a
soft,
dry
cloth.
Internal
cleaning
of
the
unit
should
only
be
performed
by
a
qualified
technician.
range.
Processor.
This
unit
utilizes
of
trouble
-free
use,
requires
•
BACKUP
BATTERY
To
ensure
that
User
Programs
are
not
lost
when
the
SPX90's
power
is
turned
off,
a
built-in
long
-life
battery
acts
as
a
backup.
In
normal
use,
this
battery
lasts
5
years,
but
it
is
advisable
to
change
the
battery
before
this
time
has
elapsed.
Contact
your
local
Yamaha
dealer
for
details.
NOTE:
When
you
change
the
battery,
the
User
Programs
may
be
lost.
As
a
safeguard,
take
note
of
all
parameters
of
your
User
Programs
in
the
USER
PROGRAMMING
TABLE
ac-
companying
this
manual.
The
SPX90
can
then
be
reprogrammed
once
a
new
battery
is
installed.
The
preset
programs
are
per-
manent,
and
will
not
be
affected
by
a
change
of
battery.
•
ERROR
MESSAGES
When
power
is
initially
turned
ON
an
automatic
circuit
test
program
is
executed
to
ensure
proper
operation.
If
an
error
is
encountered,
one
of
the
following
error
messages
will
be
displayed:
E0:
ROM
checksum
error.
El:
CPU
RAM
read/write
error.
E2:
External
RAM
read/write
error.
Make
a
note
of
the
error
message
and
inform
the
service
personnel
when
the
unit
is
to
be
serviced.
2