English 5
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.
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 install this unit near mobile phones and/or television
sets to prevent operation failure caused by electromagnetic
waves and/or magnetism.
8
Install this unit in a stable place horizontally to prevent a fall
and damage to this unit.
9
Use the supplied USB cable. Using other USB cables may
cause an electric shock or fire.
10 Keep your hands dry when connecting or disconnecting the
USB cable to prevent an electric shock.
11 Connect this unit and the PC directly. Connecting them
through a USB hub may cause problems in operation.
12 Do not use force on the USB cable. Doing so may cause a
fire, electrical shock, damage to this unit, short circuit, and/or
disconnection.
13 When not planning to use this unit for long periods of time,
disconnect the USB cable from the PC to prevent a fire.
14 When disconnecting the USB cable grasp the plug: do not
pull the cable.
15 Do not clean this unit with chemical solvents; this might
damage the finish. Use a clean, dry cloth.
16 Do not attempt to modify or fix this unit. Contact qualified
Yamaha service personnel when any service is needed.
17 Condensation will form when the surrounding temperature
changes suddenly. Disconnect the USB cable from the PC,
then leave this unit alone.
18 When using this unit for a long time, this unit may become
warm. Disconnect the cables, then leave this unit alone for
cooling.
19 To prevent damage by lightning, keep the USB cable
disconnected during a lightning storm.
20 Always turn down the volume to the minimum level before
using this unit.
CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
WARNING
This is a class B product. In a domestic environment this
product may cause radio interference in which case the user
may be required to take adequate measures.
PJP-20UR_qsg.book Page 5 Monday, October 19, 2009 10:54 AM
