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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: 5 cm, Rear: 5 cm, Sides: 5 cm
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 of the Owner’s Manual on the CD-ROM 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.
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.
23 Keep the product out of reach of children to avoid them swallowing small parts.
CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.
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.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT
TO RAIN OR MOISTURE.
Do not use this unit within 22 cm (9 inches) of persons with a heart pacemaker implant or
defibrillator implant.
Radio waves may affect electro-medical devices.
Do not use this unit near medical devices or inside medical facilities.
The name plate for YAS-306 is located on the bottom of the unit.