Yamaha FX550 - Manual (Page 3)

Thank you for purchasing the Yamaha FX550 Guitar Effect Processor. The FX550 is a digital effect processor that
can produce up to seven effects simultaneously. All signal processing is performed in the digital domain, providing
guitar effects of CD-level digital audio quality. The FX550 offers 50 preset effect programs. Also, effect settings can
be edited and saved as 50 additional user effect programs.
Unpacking
The package should contain the following items. Please make sure that all items are supplied.
• One FX550 main unit
• One power supply adaptor
Be sure to plug the adaptor into an AC outlet of correct voltage.
• Operating manual
After you finish reading this operating manual, keep it in a safe place for future reference.
Operating Precautions
■ Installation
Do not use the FX550 in the following places; otherwise a
malfunction may occur:
• In direct sunlight or near heating units
• Where humidity is too low
• Where humidity is too high
• Where there is much dust
• In places subject to vibration
• Since the FX550 uses many digital circuits, it may inter­
fere with TV and radio reception. If interference occurs,
relocate the FX550 or the affected device.
■ Do not apply force.
Do not apply excessive force to the keys, control knobs,
connectors, etc. Also, exposing the FX550 to physical
shocks may cause malfunctions.
■ Do not open the case.
Do not open or modify the case. Otherwise, it may lead to
malfunction or electrical shock.
■ Cleaning
Do not use benzine, thinner,, or other volatile oils to clean
the FX550, and do not spray any type of aerosol near the
unit. For cleaning, use only a soft, dry cloth.
■ Servicing
If any of the following defects or malfunctions occur, please
consult your Yamaha dealer.
• The power supply cable is damaged.
• Metal objects or liquids get inside the FX550.
• The FX550 is exposed to rain, or is dropped.
• The case is damaged.
• The FX550 does not operate normally.
■ Power supply precautions
• Power-off the FX550 before making any connections.
• Make sure the cables are loeated where they are not likely
to be walked on or squashed by other equipment.
• When there is a threat of lightening, unplug the power
supply adaptor from the AC outlet in advance.
• Also, unplug the power supply adaptor from the AC out­
let if the FX550 is not in use for a long period of time.
■ MIDI cables
• Be sure to use a standard MIDI cable.
• The length of the eable should be 15m (50 ft.) or shorter.
Using a longer cable may cause deterioration of the
waveform or other problems
■ Backup battery
Data in the internal memory (the data set in user programs
or in Utility mode) is maintained by the internal battery.
However, after approximately five years of battery life, the
data is lost from the memory, and the following message is
shown when the POWER switch is turned on.
Replace the battery before this happens.
It should be noted that the data in memory is lost when the
battery is replaced. Write down the data before replacing the
battery, and input the data again after replacement. Consult
the store where you purchased the FX550, or your nearest
Yamaha service center.
• Preset effect programs are not lost when the battery is
replaced.
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