Roberts R9904 Manual de usuario
R9904
3 Band Mains Battery
PortableRadio
Please read this manual before use
ROBERTS
Sound for Generations
Mains
3 Band Portable R adio
R 9904
540
600
800
700
1600
140 0
kH z
MW
MW
kH z
150
180
170
160
200
220
230
260
250
LW
LW
FM
FM
88
96
92
10 0
10 2
10 4
10 6
10 8
MHz
R adio 4
R adio 3
R adio 2
R adio 5
R adio 4
Eire
R adio 1
L oca l
IL R
IL R
Scale
9
8
0
10
1
7
6
2
5
3
4
1200
R.Ulster
Virgin
1000
IL R
Max
Min
Volum e
On
Off
Tuning
R9904 Instruction Book.pm6 24/10/99, 14:201
Controls
1. MainsLED
2. Tuningcontrol
3. Tuningpointer
4. Powerswitch
5. Volumecontrol
6. WavebandLED's
(Front)
1
1
Mains
3 Band Portable R adio
R 9904
540
600
800
700
1600
140 0
kH z
MW
MW
kH z
150
180
170
160
200
220
230
260
250
LW
LW
FM
FM
88
96
92
10 0
10 2
10 4
10 6
10 8
MHz
R adio 4
R adio 3
R adio 2
R adio 5
R adio 4
Eire
R adio 1
L oca l
IL R
IL R
Scale
9
8
0
10
1
7
6
2
5
3
4
1200
R.Ulster
Virgin
1000
IL R
Max
Min
Volum e
On
Off
Tuning
3
4
5
2
6
R9904 Instruction Book.pm6 24/10/99, 14:202
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri)
Controls
(Left side)
2
(Right side)
7
10
7. Tonecontrol
8. Headphonesocket
9. Mains socket
10. Telescopicaerial
11. Wavebandswitch
Tone
Bass
Treble
FM
MW
LW
8
11
9
R9904 Instruction Book.pm6 24/10/99, 14:203
3
Battery operation
1. Remove the Battery cover on the rear of the unit by pushing the
catches in the direction of the arrows.
2. InsertfourLR14(Csize)batteriesintothespacesinthecompartment.
Takecareto ensure allbatteries are insertedwiththe correct polarity
asshowninsidethebatterycompartment.Replacethebatterycover.
3. Reduced power, distortion, and a ‘stuttering’ sound are all signs that
thebatteries may needreplacing.
4. If the radio is not to be used for any extended period of time it is
recommendedthatthebatteriesareremovedfromtheradio.
We would recommend for economy that the R9904 is used on the
mains whenever possible with battery operation for occasional or
stand-byuse only.
Mainsoperation
1. Place your radio on a flat surface.
2. PlugthemainsleadintotheMainssocketlocatedontherearofyour
radio ensuring that the plug is pushed fully into the socket.
3. Plug the other end into a wall socket and switch on. The Mains
indicator will light up indicating that the radio is connected to the
mains supply.
ON
Tone
Low
High
R9904 Instruction Book.pm6 24/10/99, 14:204
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 4
Operating your radio
1. Turn on your radio by setting thePower switch to the 'On' position
2. SettheWavebandselectortotherequiredwaveband.Thewaveband
selected is indicated by theWaveband LED's.
3. Adjust the Volume control until a hissing sound is heard.
4. Rotate theTuning control to select the desired station. On MW and
LWthe Tuningscaleismarkedinkilohertz(kHz).OnFMtheTuning
scale is marked in Megahertz (MHz)
5. ForMWandLWreceptionrotateyourradiotothepositiongivingbest
reception.
6. ForFMreceptionfullyextendtheTelescopicaerialandthenangleand
rotateforbest reception
7. Adjust the Volume to the required setting.
8. Adjust theTone control to the required setting. Rotating the control
clockwise increases the high frequencies (treble) and rotating the
control anti-clockwise increases the low frequencies (bass).
9. To turn off your radio set thePower switch to the 'Off' position.
Note : The telescopic aerial is inoperative on MW and LW.
Mains
3 Band Portable Radio
R 9904
540
600
800
70 0
1600
140 0
kH z
MW
MW
kH z
15 0
18 0
170
16 0
200
220
230
260
250
LW
LW
FM
FM
88
96
92
10 0
10 2
10 4
10 6
10 8
MHz
Radio4
Radio3
Radio2
Radio5
Radio4
Eire
Radio1
L oca l
IL R
IL R
Scale
9
8
0
10
1
7
6
2
5
3
4
1200
R.Ulster
Virgin
1000
IL R
Max
Min
Volum e
On
Off
Tuning
Tone
Bass
Treble
FM
MW
LW
R9904 Instruction Book.pm6 24/10/99, 14:205
General
Donotallowthisunit to beexposedtowater,steamorsand.Donotleave
yourradiowhereexcessiveheatcouldcausedamagesuchasinaparked
car where the heat from the sun can build up even though the outside
temperaturemaynotseemtoohigh.ItisrecommendedthattheFM band
be used where ever possible as better results in terms of quality and
freedomfrominterferencewillusuallybeobtainedthanontheMWorLW
bands.
5
Headphones
1. A Headphone Socket (3.5mm) located on the left hand end of your
radio is provided for use with either headphones or an earpiece.
Inserting the headphone plug automatically mutes the internal loud-
speaker.
To n e
B ass
Treble
R9904 Instruction Book.pm6 24/10/99, 14:206
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 6
Specifications
Power Requirements
Mains AC 230 volts, 50Hz only
Batteries 4 x LR14 (C size)
Battery Life Approx. 80hrs of listening for 4 hours a day at
normalvolumeusingalkalinecells.
Frequency Coverage FM 87.5-108MHz
MW 522-1620kHz
LW 144-281kHz
Circuit Features
Loudspeaker 92mm4ohms
OutputPower 850mW into 8ohms
Headphonesocket 3.5mm dia
Aerial System FM Telescopicaerial
MW Built-inFerriteaerial
LW Built-inFerriteaerial
ROBERTSRADIOLIMITED
PO BOX 130
MEXBOROUGH
SOUTH YORKSHIRE
S64 8YT
The Company reserves the right to amend the specification without notice.
R9904 Instruction Book.pm6 24/10/99, 14:207
ROBERTS RADIO TECHNICAL SERVICES DEPARTMENT
97-99 Worton Road
IsleworthMiddlesex
TW7 6EG
TechnicalHelpline:-02087580338(Mon-Fri)
Issue 1
Guarantee
Thisinstrumentisguaranteedfortwelve months fromthedateofdeliverytotheoriginalowneragainstfailureduetofaultyworkmanshiporcomponent
breakdown,subjecttotheprocedurestatedbelow.Shouldanycomponentorpartfailduringthisguaranteeperioditwillberepairedorreplacedfreeofcharge.
Theguaranteedoesnotcover: 1.Damageresultingfromincorrectuse.
2.Consequentialdamage.
3.Receiverswithremovedordefacedserialnumbers.
N.B.Damaged orbroken telescopic aerials will notbe replacedunder guarantee.
Procedure:
Any claim under thisguarantee should be madethrough the dealer fromwhom the instrument waspurchased. It is likelythat your Roberts' dealer will
beabletoattendtoanydefectquicklyandefficiently,butshoulditbenecessarythedealerwillreturntheinstrumenttothecompany’sservicedepartment
forattention.IntheeventthatitisnotpossibletoreturntheinstrumenttotheRoberts'dealerfromwhomitwaspurchased,pleasecontactRobertsRadio
TechnicalServicesdepartmentattheaddressshownbelowbeforetakingfurtheraction.
These statements do not affect the statutory rights of a consumer.
R9904 Instruction Book.pm6 24/10/99, 14:208
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