Yamaha YHT-S400 Owner's Manual page 4

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 unit 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 (2 in)
Rear: 5 cm (2 in)
Sides: 5 cm (2 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 objects 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
the 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 read the "Troubleshooting" section on
common operating errors before concluding that this
unit is faulty.
17 Before moving this unit, press
4
En
to set this unit in
standby mode, and disconnect the power supply cable
from the wall outlet.
18 Condensation will form when the surrounding
temperature changes suddenly. Disconnect the power
supply cable from the outlet, then leave the unit alone.
19 Install this unit near the wall outlet and where the AC
power plug can be reached easily.
20 The batteries shall not be exposed to excessive heat such
as sunshine, fire or like.
21 Secure placement or installation is the owner's
responsibility. Yamaha shall not be liable for any
accident caused by improper placement or installation of
speakers.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN
OR MOISTURE.
As long as this unit is connected to the AC wall
outlet, it is not disconnected from the AC power
source even if you turn off this unit by
state, this unit is designed to consume a very small
quantity of power.
■ For U.K. customers
If the socket outlets in the home are not suitable for
the plug supplied with this appliance, it should be cut
off and an appropriate 3 pin plug fitted. For details,
refer to the instructions described below.
Note
The plug severed from the mains lead must be destroyed, as
a plug with bared flexible cord is hazardous if engaged in a
live socket outlet.
■ Special Instructions for U.K. Model
IMPORTANT
THE WIRES IN THE MAINS LEAD ARE
COLOURED IN ACCORDANCE WITH THE
FOLLOWING CODE:
Blue: NEUTRAL
Brown: LIVE
As the colours of the wires in the mains lead of this
apparatus may not correspond with the coloured
markings identifying the terminals in your plug,
proceed as follows:
The wire which is coloured BLUE must be
connected to the terminal which is marked with the
letter N or coloured BLACK. The wire which is
coloured BROWN must be connected to the
terminal which is marked with the letter L or
coloured RED.
Making sure that neither core is connected to the
earth terminal of the three pin plug.
. In this