System Fidelity RS-250 Instruction Manual

CONTENTS

ACCESSORIES
CONTENTS
SAFETY PRECAUTIONS

IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT INFORMATION

CONNECTIONS TO THE MAINS
REMOTE CONTROL
FRONT/REAR PANEL
AUDIO CONNECTIONS
OPERATION AND FUNCTIONS

ON, OFF and Standby
Selecting the input source
Using the function menu
Volume control
Bass and treble control
Balance control
Loudness
RDS and FM/AM

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ABOUT THE ANTENNA
TROUBLESHOOTING
TECHNICAL DA TA

ACCESSORIES

Accessories

1 x RS-250 FM/AM Stereo Receiver
1 x Remote control
2 x Batteries
1 x Operation Manual

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This operation manual supplies all the information that you need to have about your System
Fidelity FM/AM Stereo Receiver. Please read this operation manual carefully before you
start using the unit!

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SAFETY PRECAUTIONS

A triangle with a lightning symbol draws the user’s attention to “dangerous voltage”
without insulation in the cabinet which may be high enough to entail a risk of electric
shock.

A triangle with an exclamation mark draws the user’s
attention to important instructions for use and maintenance in the accompanying manual,
which should be studied.

A symbol for CLASS II (double insulation)

WARNING:

TO MINIMISE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO
MOISTURE. DO NOT OPEN THE CABINET AS IT CONT AINS DANGEROUS VOLTAGE. ONL Y QUALIFIED
TECHNICIANS ARE ALLOWED TO CARRY OUT REPAIR AND SERVICE.

CAUTION:

If the plug of the power cord needs to be replaced, it is important that the replacement is identical to the
plug to be replaced, or that the new plug has been recommended by the manufacturer.

TO AVOID ELECTRICAL SHOCK, IT IS IMPORTANT TO INSERT THE PLUG CORRECTLY INT O THE SOCKET.

NOT EXPOSE THE UNIT TO RAIN OR

IMPORTANT SAFETY INSTRUCTIONS

WARNING: IT IS IMPORT ANT THAT YOU READ AND OBSERVE BOTH THE INSTRUCTIONS IN THIS

MANUAL AND THE INSTRUCTIONS ON THE UNIT. KEEP THIS MANUAL FOR FUTURE REFERENCE .
This unit was designed and manufactured with a view to providing maximum safety for the user.

Incorrect use of the unit may cause electrical shock or fire. The protection devices built into this unit
will protect the user if the procedures below are observed in connection with installation, use and
repair. This unit is fully electronic and contains no parts that can be repaired by the end user .

PLEASE DO NOT REMOVE THE CABINET. RISK OF DANGEROUS VOLTAGE. ONLY QU ALIFIED AND
AUTHORIZED TECHNICIANS ARE ALLOWED TO REP AIR THE UNIT.

Read the manual upon unpacking the unit

Please read the manual carefully and observe all the instructions given.

Power supply

Only the power supply indicated on the rating plate must be used for this unit.
If you are not sure which power supply you have, please contact the distributor or the local
electricity supplier .

Earthing or polarisation

If the plug cannot be inserted properly into the socket, or if the plug does not fit, the unit must
not be used in your country.

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Ventilation

The cabinet is provided with slots and openings to ensure ventilation and reliable operation and to
protect the unit against overheating. Do not block or cover these openings. The openings must
never be blocked, for instance by placing the unit on a bed, a sofa, a carpet or similar surface .

Heat

Do not place the unit near sources of heat such as radiators, heat registers, ovens or other units
that produce heat.

Water and moisture

The unit must not be placed close to water, such as bathtub, wash basin, kitchen sink or laundry
tub, in a damp cellar or close to a swimming pools, etc.

Cleaning

Unplug the unit before cleaning. Do not use liquid detergents and aerosol cleaning agents. Please
use only a dry cloth for cleaning the unit.

Power cords

Wiring must be organised to
prevent people from stepping on the cables and to avoid pinching by objects placed on or beside
them. Take special care around sockets and plug boxes and where the power cords leave the unit.

Overloading

Make sure that wall sockets, extension cords and plug boxes are not overloaded as this ma y lead
to fire or electrical shock.

Lightning

Unplug the unit for additional
protection during thunderstorms or when the unit is not used for prolonged periods. This will

prevent damage to the unit from lightning and power surges.

Penetration of objects and liquid

Never push any foreign objects through the openings into the unit, as they may touch
dangerous
voltage points or short-circuit parts and thus cause fire or electric shock. Do not allow any
liquid to be spilled on or into the unit.

Accessories

Do not place the unit on unstable surfaces such as a trolley , stand, tripod, shelf or table.
The unit may fall and injure children or adults or be seriously damaged. Use only trolley,
stand, tripod, shelf or table that is very stable or provided with the unit. The unit must be
installed in accordance with the manufacturers instructions and by means of installation
equipment recommended by the manufacturer.
If the unit is placed on a trolley, the trolley must be moved very carefully. Sudden stops,
unnecessary force and uneven surfaces may cause the trolley to turn over.

Loads

Do not place heavy loads on the unit and do not step on it. The load may fall and cause
serious injury to persons or damage to the unit.

Damage

Unplug the unit and contact qualified technicians in
the following cases:

A) If the power cord or the plug is damaged.
B) If liquid has been spilled on the unit or objects
have fallen into the unit.
C) If the unit has been exposed to rain or water.
D) If the unit does not work properly after adhering to
the instructions in the operation manual. Only the settings described in the operation manual

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must be made as incorrect setting may result in damage and often will make it difficult for a
qualified technician to make the unit work properly again.
E) If the unit has been dropped or damaged in any other way.
F) When the operation of the unit changes
drastically, the unit requires service.

Service

Do not attempt to carry out any service work yourself . By opening or removing the cabinet,
you will be exposed to dangerous voltage or other hazards. Any service work should be
carried out by qualified technicians.

Spare parts

If spare parts are required, make sure that the service technician uses spare parts specified
by the manufacturer or spare parts with the same
characteristics as the original. Unauthorised spare parts may cause fire, electrical shock, etc.

Safety check

After service or repairs on the unit, ask the service technician to carry out a safety check to
ensure that the unit is ready for use.

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IMPORTANT INFORMATION

Handling instructions

The top and back panel of the unit may become warm after prolonged use. This is not due to a
defect.
Turn off the power when the unit is not used.

Protect the power cord

Follow the instructions below to prevent abnormal operation, electrical shock, fire or personal
injury: Hold the plug firmly when inserting it into the socket.
Avoid heat-producing devices.
Do not place objects on the power cord.
Do not carry out service work on or change the power cord.

Positioning

Do not place the unit in any of the following places:

-In sunlight, close to heat-producing devices or in an enclosed rack;

-In places with high temperatures (40C or more) or high relative humidity (90% or more);

-In dirty or dusty places as some internal parts may be damaged.

Please do not put your fingers or any

T ouching the internal parts is dangerous and may cause injury or damage. Do not open the cabinet.
Do not place any foreign matter in the unit.

Interference

Placing the amplifier near a television set, radio or video player may cause poor picture and sound
quality . In that case, mov e the amplifier further awa y from the television set, radio or video pla yer.

Condensation

Condensation may occur in the following cases:
When the amplifier is moved directly from a cold to a warm place.
When the amplifier is used in a room where the radiator has just been switched on or a place where

the cold air from the air-conditioning system is directed at the unit.
If the amplifier is used in the summer in a warm and humid room just after it has been moved from

an air-conditioned room.
If there is steam or a high level of humidity in the room.

In case of condensation, the amplifier will not work properly. T urn off the unit. Unplug the unit and
leave it for 2-3 hours. The amplifier will then have adapted to the environment and any condensation
will have disappeared.

other objects into the unit

NOTES ON INSTALLATION

Y our System Fidelity RS-250 should be placed on a firm, level surface. Av oid placing it in direct
sunlight or near sources of heat and damp. Always allow adequate ventilation and don’t place
it on a soft surface like a carpet. Don’t place it in an enclosed position such a bookcase or
cabinet that may impede the air-flow through the ventilation holes. The unit shall not be
exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be
placed on the unit.

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