Yamaha A-U671 Mode D'emploi page 4

IMPORTANT SAFETY INSTRUCTIONS
CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.
1 To assure the finest performance, please read this manual carefully. Keep it in a safe place for future
reference.
2 Install this sound system in a well ventilated, cool, dry, clean place - away from direct sunlight, heat
sources, vibration, dust, moisture, and/or cold. For proper ventilation, allow the following minimum
clearances.
Top: 10 cm (4 in), Rear: 10 cm (4 in), Sides: 10 cm (4 in)
3 Locate this unit away from other electrical appliances, motors, or transformers to avoid humming
sounds.
4 Do not expose this unit to sudden temperature changes from cold to hot, and do not locate this unit in an
environment with high humidity (i.e. a room with a humidifier) to prevent condensation inside this unit,
which may cause an electrical shock, fire, damage to this unit, and/or personal injury.
5 Avoid installing this unit where foreign object may fall onto this unit and/or this unit may be exposed to
liquid dripping or splashing. On the top of this unit, do not place:
– Other components, as they may cause damage and/or discoloration on the surface of this unit.
– Burning objects (i.e. candles), as they may cause fire, damage to this unit, and/or personal injury.
– Containers with liquid in them, as they may fall and liquid may cause electrical shock to the user
and/or damage to this unit.
6 Do not cover this unit with a newspaper, tablecloth, curtain, etc. in order not to obstruct heat radiation.
If the temperature inside this unit rises, it may cause fire, damage to this unit, and/or personal injury.
7 Do not plug in this unit to a wall outlet until all connections are complete.
8 Do not operate this unit upside-down. It may overheat, possibly causing damage.
9 Do not use force on switches, knobs and/or cords.
10 When disconnecting the power cable from the wall outlet, grasp the plug; do not pull the cable.
11 Do not clean this unit with chemical solvents; this might damage the finish. Use a clean, dry cloth.
12 Only voltage specified on this unit must be used. Using this unit with a higher voltage than specified is
dangerous and may cause fire, damage to this unit, and/or personal injury. Yamaha will not be held
responsible for any damage resulting from use of this unit with a voltage other than specified.
13 To prevent damage by lightning, keep the power cable and outdoor antennas disconnected from a wall
outlet or this unit during a lightning storm.
14 Do not attempt to modify or fix this unit. Contact qualified Yamaha service personnel when any service
is needed. The cabinet should never be opened for any reasons.
15 When not planning to use this unit for long periods of time (i.e. vacation), disconnect the AC power
plug from the wall outlet.
16 Be sure to refer to the "Troubleshooting" section for common operating errors before concluding that
this unit is faulty.
17 Before moving this unit, press A to set it to standby mode and disconnect the AC power plug from the
wall outlet.
18 Condensation will form when the surrounding temperature changes suddenly. Disconnect the power
cable from the outlet, then leave this unit alone.
19 When using this unit for a long time, this unit may become warm. Turn the power off, then leave this
unit alone for cooling.
20 Install this unit near the AC outlet and where the AC power plug can be reached easily.
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21 The batteries shall not be exposed to excessive heat such as sunshine, fire or the like. When you dispose
of batteries, follow your regional regulations.
22 Excessive sound pressure from earphones and headphones can cause hearing loss.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT
TO RAIN OR MOISTURE.
This unit is not disconnected from the AC power source as long as it is connected to the wall
outlet, even if this unit itself is turned off by A. This state is called the standby mode. In this
state, this unit is designed to consume a very small quantity of power.
n Notes on remote controls and batteries
• Do not spill water or other liquids on the remote control.
• Do not drop the remote control.
• Do not leave or store the remote control in the following conditions:
– places of high humidity, such as near a bath
– places of high temperatures, such as near a heater or stove
– places of extremely low temperatures
– dusty places
• Insert the battery according to the polarity markings (+ and -).
• Change all batteries if you notice the following conditions:
– the operation range of the remote control narrows
– the transmit indicator does not flash or is dim
• If the batteries run out, immediately remove them from the remote control to prevent an explosion or acid
leak.
• If you find leaking batteries, discard the batteries immediately, taking care not to touch the leaked
material. If the leaked material comes into contact with your skin or gets into your eyes or mouth, rinse it
away immediately and consult a doctor. Clean the battery compartment thoroughly before installing new
batteries.
• Do not use old batteries together with new ones. This may shorten the life of the new batteries or cause
old batteries to leak.
• Do not use different types of batteries (such as alkaline and manganese batteries) together. Specification
of batteries may be different even though they look the same. Danger of explosion may happen if
batteries are incorrectly replaced.
• Before inserting new batteries, wipe the compartment clean.
• Dispose of batteries according to your regional regulations.
• Keep batteries away from children. If a battery is accidentally swallowed, contact your doctor
immediately.
• When not planning to use the remote control for long periods of time, remove the batteries from the
remote control.
• Do not charge or disassemble the supplied batteries.
The user shall not reverse engineer, decompile, alter, translate or disassemble the software used in
this unit, whether in part or in whole. For corporate users, employees of the corporation itself as
well as its business partners shall observe the contractual bans stipulated within this clause. If the
stipulations of this clause and this contract cannot be observed, the user shall immediately
discontinue using the software.