Yamaha SPX90II Specifications download pdf (Page 3)

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



BACKUP BATTERY

Be sure the AC supply in your area is appropriate

To ensure that User Programs are not lost when the

for your SPX90.

SPX90’s power is turned off, a built-in long-life bat-

U.S./Canadian Model: 110V — 120V, 50/60Hz.

tery acts as a backup. In normal use, this battery

General Model: 220 — 240V, 50/60Hz.

lasts 5 years, but it is advisable to change the bat-

tery before this time has elapsed. Contact your local



ENVIRONMENTAL TEMPERATURE

Yamaha dealer for details.

Do not expose the SPX90 to excessive heat. The

NOTE: When you change the battery, the User Pro-

operating temperature range of this unit is between

grams may be lost. As a safeguard, take

0 and 40 degrees centigrade (32 and 104 degrees

note of all parameters of your User Programs

Fahrenheit).

in the USER PROGRAMMING TABLE accom-

panying this manual. The SPX90 can then



EXTERNAL CLEANING

be reprogrammed once a new battery is in-

Do not clean the exterior of the SPX90 with solvents

such as benzine or paint thinner. Dust, dirt, or finger-

marks should simply be removed with a soft, dry

cloth. Internal cleaning of the unit should only be per-

formed by a qualified technician.

The LCD may not function properly under extreme

temperature conditions. It will return to normal after

cooling down to within the proper temperature

range.

stalled. 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 cir-

cuit test program is executed to ensure proper

operation. If an error is encountered, one of the

following error messages will be displayed:

: ROM checksum error.

: CPU RAM read/write error.

: External RAM read/write error.

Make a note of the error message and inform the

service personnel when the unit is to be serviced.

FCC CERTIFICATION (USA)

This equipment generates and uses radio frequency Reorient the receiving antenna.

energy and if not installed and used properly, that is, in

Relocate the computer with respect to the receiver.

strict accordance with the manufacturer’s instructions, Move the computer away from the receiver.

may cause interference to radio and television reception.

Plug the computer into a different outlet so that

It has been type tested and found to comply with the

computer and receiver are on different branch circuits.

limits for a Class B computing device in accordance with

If necessary, the user should consult the dealer or an

the specifications in Subpart J of Part 15 of FCC Rules,

experienced radio/television technician for additional

which are designed to provide reasonable protection

suggestions. The user may find the following booklet

against such interference in a residential installation.

prepared by the Federal Communications Commission

However, there is no guarantee that interference will not

helpful:

occur in a particular installation. If this equipment does

“How to identify and Resolve Radio-TV interference

cause interference to radio or television reception, which

Problems”.

can be determined by turning the equipment off and on,

This booklet is available from the U.S. Government

the user is encouraged to try to correct the interference

Printing Office, Washington, DC 20402, Stock

by one or more of the following measures:

No. 004-000-00345-4.

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Yamaha SPX90II Specifications Page 3

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