Sony UDA-1 Guide De Référence page 5

Precautions
On safety
Should any solid object or liquid fall into the cabinet, unplug the unit and
have it checked by qualified personnel before operating it any further.
On power sources

Before operating the unit, check that the operating voltage is identical
with your local power supply.
The operating voltage is indicated on the nameplate on the back of the
unit.
 The unit is not disconnected from the AC power source (mains) as long as
it is connected to the wall outlet, even if the unit itself has been turned off.

If you are not going to use the unit for a long time, be sure to disconnect
the unit from the wall outlet. To disconnect the AC power cord (mains
lead), grasp the plug itself; never pull the cord.
 The AC power cord (mains lead) must be changed only at a qualified
service shop.
On placement
 Place the unit in a location with adequate ventilation to prevent heat
buildup and prolong the life of the unit.

Do not place the unit near heat sources, or in a place subject to direct
sunlight, excessive dust, or mechanical shock.
 Do not place anything on top of the cabinet that might cause
malfunctions.

Use caution when placing the unit on surfaces that have been specially
treated (with wax, oil, polish, etc.) as staining or discoloration of the
surface may result.
On operation
Before connecting other equipment, be sure to turn off and unplug the
unit.
On cleaning
Clean the cabinet, panel, and controls with a soft cloth slightly moistened
with a mild detergent solution. Do not use any type of abrasive pad,
scouring powder, or solvent, such as alcohol or benzine.
If you have any questions or problems concerning your unit, please consult
your nearest Sony dealer.
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