R9928
3 Band Preset Mains Battery
Portable Radio
Please read this manual before use
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Controls
(Top)
1
2
3
4
5
10
9
8
7
6
1. Power button
6. Tuning control
7. Treble control
8. Dial pointer
2. FM preset buttons
3. FM manual button
4. Waveband buttons
5. Telescopic aerial
9. Bass control
10. Volume control
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Controls
(Rear)
11
12
13
14
11. Headphone socket (on side)
12. FM preset controls
13. Battery compartment
14. Mains socket
3
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Battery operation
1. Remove the Battery cover on the rear of the unit by pushing the
battery door in and downwards.
2. Insert four LR14 (C size) batteries into the spaces in the compart-
ment. Take care to ensure all batteries are inserted with the correct
polarity as shown inside the battery compartment. Replace the
battery cover.
3. Reduced power, distortion and a ‘stuttering’ sound are all signs that
the batteries may need replacing.
4. If the radio is not to be used for any extended period of time it is
recommended that the batteries are removed from the radio.
We would recommend for economy that the R9928 is used on the
mains whenever possible with battery operation for occasional or
stand-by use only.
Mains operation
1. Place your radio on a flat surface.
2. Plug the mains lead into the Mains socket located on the rear of your
radio ensuring that the plug is pushed fully into the socket.
3. Plug the other end of the mains lead into a wall socket and switch on
the wall socket.
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Operating your radio (FM manual tuning)
1. Switch on your radio by pressing the Power button.
2. Select FM manual tuning by pressing the FM Manual button.
3. Press the FM button to select the FM waveband.
4. Adjust the Volume control until a hissing sound is heard.
5. Rotate the Tuning control to select the desired station. On FM the
Tuning scale is marked in Megahertz (MHz).
6. For FM reception fully extend the Telescopic aerial and then angle
and rotate for best reception
7. Adjust the Volume to the required setting.
8. Adjust the Bass and Treble controls to the required settings.
9. To switch off your radio press the Power button.
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Operating your radio (Medium and Long wave)
1. Switch on your radio by pressing the Power button.
2. Press either the MW or LW button.
3. Adjust the Volume control until a hissing sound is heard.
4. Rotate the Tuning control to select the desired station. On MW and
LW the Tuning scale is marked in kilohertz (kHz).
5. For MW or LW reception rotate your radio to the position giving best
reception.
6. Adjust the Volume to the required setting.
7. Adjust the Bass and Treble controls to the required settings.
Rotating the controls clockwise increases the bass or treble.
8. To switch off your radio press the Power button.
Note : The telescopic aerial is inoperative on MW and LW.
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Setting the FM Presets
1. Switch on your radio by pressing the Power button.
2. Press the FM button to select the FM waveband.
3. Adjust the Volume control until a hissing sound is heard.
4. Press FM preset button 1
5. Rotate the FM preset control 1 (on cabinet rear) to select the
required station.
6. Press FM preset button 2.
7. Rotate the FM preset control 2 (on cabinet rear) to select the
required station.
8. Repeat this procedure for FM preset buttons 3 and 4.
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Selecting FM preset stations
1. Switch on your radio by pressing the Power button.
2. Press the FM button to select the FM waveband.
3. Press the required Preset button 1 to 4.
4. Adjust the Volume, Bass and Treble controls to the required
settings.
5. To switch off your radio press the Power button.
Headphones
1. A Headphone Socket (3.5mm) located on the right hand end of your
radio is provided for use with either headphones or an earpiece.
Inserting the headphone plug automatically mutes the internal
loudspeaker.
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General
Do not allow this unit to be exposed to dripping or splashing. Do not leave
your radio where excessive heat could cause damage such as in a
parked car where the heat from the sun can build up even though the
outside temperature may not seem too high. It is recommended that the
FM band be used where ever possible as better results in terms of quality
and freedom from interference will usually be obtained than on the MW
or LW bands.
Specifications
Power Requirements
Circuit Features
Loudspeaker
Output Power
Headphone socket
Aerial System FM
MW
92mm 4ohms
Mains
AC 230 volts, 50Hz
4 x LR14 (C size)
only
Batteries
1W into 4ohms
3.5mm dia
Battery Life
Approx. 80hrs of listening for 4 hours a day at
normal volume using alkaline cells.
Telescopic aerial
Built-in Ferrite aerial
Built-in Ferrite aerial
Frequency Coverage
FM
87.5-108MHz
522- 1620kHz
144- 281kHz
LW
MW
LW
ROBERTS RADIO LIMITED
PO BOX 130
MEXBOROUGH
SOUTH YORKSHIRE
S64 8YT
The Company reserves the right to amend the specification without notice.
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Guarantee
This instrument is guaranteed for twelve months from the date of delivery to the original owner against failure due to faulty workmanship or component
breakdown, subject to the procedure stated below. Should any component or part fail during this guarantee period it will be repaired or replaced free
of charge.
The guarantee does not cover:
1. Damage resulting from incorrect use.
2. Consequential damage.
3. Receivers with removed or defaced serial numbers.
N.B. Damaged or broken telescopic aerials will not be replaced under guarantee.
Procedure:
Any claim under this guarantee should be made through the dealer from whom the instrument was purchased. It is likely that your Roberts' dealer
will be able to attend to any defect quickly and efficiently, but should it be necessary the dealer will return the instrument to the company’s service
department for attention. In the event that it is not possible to return the instrument to the Roberts' dealer from whom it was purchased, please contact
Roberts Radio Technical Services department at the address shown on the rear of this manual before taking further action.
These statements do not affect the statutory rights of a consumer.
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020 8758 0338 (Mon-Fri)
ROBERTS RADIO TECHNICAL SERVICES DEPARTMENT
97-99 Worton Road
Isleworth Middlesex
TW7 6EG
Technical Helpline:- 020 8758 0338 (Mon-Fri)
Issue 1
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