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Yamaha DSP-A3090 Operation Manual Page 4

Yamaha digital sound field processing amplifier operation manual.
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PRECAUTIONS
1. AVOID EXCESSIVE HEAT, HUMIDITY, DUST
AND VIBRATION
Keep the unit away from locations where it is likely to be
exposed to high temperatures or humidity—such as
near radiators, stoves, etc. Also avoid locations which
are subject to excessive dust accumulation or vibration
which could cause mechanical damage.
2. INSTALL THE UNIT IN WELL-VENTILATED
CONDITION
The openings on the cabinet assure proper ventilation
of the unit. If these openings are obstructed, the
temperature inside the cabinet will rise rapidly.
Therefore, avoid placing objects against these
openings, and install the unit in well-ventilated
condition. Make sure to allow a space of at least 10
cm behind and on the both sides and at least 20 cm
above the top panel of the unit. Otherwise it may not
only damage the unit, but also cause fire.
3. KEEP THE AC POWER PLUG
DISCONNECTED DURING VACATION ETC.
When not planning to use this unit for long periods of
time (ie., vacation, etc.), disconnect the AC power
plug from the wall outlet.
4. AVOID PHYSICAL SHOCKS
Strong physical shocks to the unit can cause damage.
Handle it with care.
5. DO NOT OPEN THE UNIT OR ATTEMPT
REPAIRS OR MODIFICATIONS YOURSELF
This product contains no user-serviceable parts. Refer
all maintenance to qualified Yamaha service personnel.
Opening the unit and/or tampering with the internal
circuitry will make servicing difficult and will endanger
you and your unit.
6. DO NOT OPERATE THE UNIT UPSIDE-
DOWN
Do not operate the unit upside-down. It may overheat,
possibly causing damage.
7. HANDLE THE UNIT GENTLY AND
CAREFULLY
Do not use force on switches, knobs or cords. When
moving the set, first turn the unit off. Then gently
disconnect the power plug and the cords connecting to
other equipment. Never pull the cord itself.
8. ALWAYS SET THE VOLUME CONTROL TO
MINIMUM
Always set the volume control to "–
audio source play. Increase the volume gradually to an
appropriate level after playback has been started.
9. MAKE SURE POWER IS OFF BEFORE
MAKING OR REMOVING CONNECTIONS
Always turn power OFF prior to connecting or
disconnecting cables. This is important to prevent
damage to the unit itself as well as other connected
equipment.
10.HANDLE CABLES CAREFULLY
Always plug and unplug cables—including the AC
cord—by gripping the connector, not the cord.
11.CLEAN WITH A SOFT DRY CLOTH
Never use solvents such as benzine or thinner to clean
the unit. Wipe clean with a soft, dry cloth.
12.KEEP AWAY FROM TUNERS
Digital signals generated by the unit may interfere with
other equipment such as tuners, receivers or TVs. Move
the system farther away from such equipment if
interference is observed.
13.READ THE "TROUBLESHOOTING "
SECTION
Be sure to read the "Troubleshooting" section on
common operating errors before concluding that your
unit is faulty.
14.ABOUT THE AC OUTLETS
Do not connect audio equipment to the AC outlets on the
rear panel if that equipment requires more power than
the outlets are rated to provide.
We Want You Listening For A
Lifetime
YAMAHA and the Electronic Industries Association's
Consumer Electronics Group want you to get the most
out of your equipment by playing it at a safe level.
One that lets the sound come through loud and clear
without annoying blaring or distortion – and, most
importantly, without affecting your
sensitive hearing. Since hearing
" before starting
damage from loud sounds is often
undetectable until it is too late,
YAMAHA and the Electronic Industries
Association's Consumer Electronics
Group recommend you to avoid
prolonged exposure from excessive volume levels.
CAUTION (FOR CANADA MODEL)
TO PREVENT ELECTRIC SHOCK, MATCH WIDE
BLADE OF PLUG TO WIDE SLOT AND FULLY
INSERT.
FOR CANADIAN CUSTOMER
THIS CLASS B DIGITAL APPARATUS MEETS ALL
REQUIREMENTS OF THE CANADIAN INTERFERENCE-
CAUSING EQUIPMENT REGULATIONS.
This product complies with the radio frequency
interference requirements of the Council Directive
82/499/EEC and/or 87/308/EEC.
The apparatus is not disconnected from the AC
power source as long as it is connected to the wall
outlet, even if the apparatus itself is turned off.
(for US customers only)

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  • lawrence Jun 25, 2015 02:24:
    I absolutely refuse to read this excuse of the alleged printed word any farther. I am insulted by the fact that the printing is encoded. What kind of machine printed these words? You should be ashamed of yourselves​. Was this an attempt to somehow save money? Did you have any of your own employees try to read this aloud ? Get real!