Roberts Radio Portable Radio R9903 User Guide

R9903  
3 Band Portable Radio  
Sca le  
0
Po w er  
LW  
MW  
1
FM  
2
160 0  
280  
3
140 0  
1200  
1000  
108  
260  
4
5
6
106  
104  
100  
96  
220  
200  
18 0  
800  
700  
7
8
16 0  
150  
600  
530  
9
10  
92  
Tuning  
88  
kHz  
kHz  
MHz  
R 9903  
3 Band Portable Radio  
Please read this manual before use  
 
Controls  
(Left side)  
(Right side)  
DC 6v  
+
+
5
7
6
Volume  
7
8
5. DC input socket  
6. Headphonesocket  
7. Volume control  
8. Batterycompartment  
If you need any further advice, please call our Technical Helpline on :-  
 
2
0181 758 0338 (Mon-Fri)  
Battery operation  
1. RemovetheBatterycoverontherearoftheunitbypushingthecatch  
in the direction of the arrow.  
2. InsertfourLR6(AAsize)batteriesintothespacesinthecompartment.  
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.  
Operation via an AC adaptor (not included)  
TheACadaptorforusewiththeR9903shouldprovide6voltsDCoutputat  
300mA centre pin negative (Roberts type PU6-B).  
Scale  
0
Power  
LW  
M
W
1
F
M
2
16 00  
140  
2
80  
3
1. Place your radio on a flat surface.  
0
108  
2
60  
4
12 00  
100  
5
106  
104  
100  
96  
92  
2
20  
0
6
2
00  
180  
8
00  
70  
7
0
6
8
160  
150  
00  
9
2. PlugtheadaptorleadintotheDCinputsocketlocatedonthelefthand  
side end of your radio ensuring that the plug is pushed fully into the  
socket. The batteries will be automatically disconnected  
10  
5
30  
Tuning  
88  
k
Hz  
ON  
k
Hz  
ROBERTS  
PU6-B  
M
Hz  
ꢂꢌ  
R
9
9
03  
3
Band Portable Radio  
3. Plug the adaptor into a wall socket and switch on.  
3
 
Operating your radio  
1. Turn on your radio by rotating the Volume control clockwise until a  
click is heard. The Power LED will light up  
2. Set theWaveband selector to the required waveband.  
3. Adjust the Volume control until a hissing sound is heard.  
Volume  
4. RotatetheTuning knob toselectthedesiredstation. OnMWandLW  
the Tuning scale is marked in kilohertz (kHz). On FM the Tuning  
scale is marked in Megahertz (MHz)  
5. For MW and LW reception rotate your radio to the position giving best  
reception.  
LW M W F M  
6. ForFMreceptionfullyextendtheTelescopicaerialandthenangleand  
rotateforbestreception. Aknucklejointatthebaseoftheaerialallows  
thismovementandanangleof45degreeswillusuallybesatisfactory.  
6. Adjust the Volume control to the required sound level.  
S
c
a
l
e
P
o
w
e
r
LW  
0
MW  
1
FM  
7. To turn off your radio rotate the Volume control fully anticlockwise  
2
1600  
14 0 0  
12 00  
100 0  
28 0  
3
until a click is heard.  
10 8  
26 0  
4
5
10 6  
10 4  
10 0  
96  
92  
22 0  
20 0  
180  
6
80 0  
700  
7
Note : The telescopic aerial is inoperative on MW and LW.  
8
160  
150  
60 0  
9
10  
53 0  
Tu n in g  
88  
kHz  
kHz  
MHz  
R
9 903  
3
Band Portable Radio  
If you need any further advice, please call our Technical Helpline on :-  
 
4
0181 758 0338 (Mon-Fri)  
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 loud-  
speaker.  
Volume  
General  
Do not allow this unit to be exposed to water, steam or sand. Do not leave  
yourradiowhereexcessiveheatcouldcausedamagesuchasinaparked  
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.  
 
5
Specifications  
Power Requirements  
Batteries  
Circuit Features  
Loudspeaker  
OutputPower  
Headphonesocket  
Aerial System FM  
MW  
4 x LR6 (AA size)  
77mm  
External  
DC 6 Volts  
@ 300mA  
400 mW into 8ohms  
3.5mm dia  
centre pin negative (-).  
Battery Life  
Approx. 80hrs of listening for 4 hours a day at  
normal volume using alkaline cells.  
Telescopicaerial  
Built-in Ferrite aerial  
Built-in Ferrite aerial  
Frequency Coverage  
LW  
FM  
87.5-108MHz  
522-1620kHz  
144-281kHz  
MW  
LW  
ROBERTSRADIOLIMITED  
PO BOX 130  
MEXBOROUGH  
SOUTH YORKSHIRE  
S64 8YT  
The Company reserves the right to amend the specification without notice.  
If you need any further advice, please call our Technical Helpline on :-  
 
6
0181 758 0338 (Mon-Fri)  
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.  
Theguaranteedoesnotcover:  
1. Damage resulting from incorrect use.  
2. Consequentialdamage.  
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  
beabletoattendtoanydefectquicklyandefficiently, butshoulditbenecessarythedealerwillreturntheinstrumenttothecompanysservicedepartment  
forattention. IntheeventthatitisnotpossibletoreturntheinstrumenttotheRoberts'dealerfromwhomitwaspurchased, pleasecontactRobertsRadio  
Technical Services department at the address shown below before taking further action.  
These statements do not affect the statutory rights of a consumer.  
ROBERTSRADIOTECHNICALSERVICESDEPARTMENT  
97-99 Worton Road  
IsleworthMiddlesex  
TW7 6EG  
Technical Helpline:- 0181 758 0338 (Mon-Fri)  
Issue 1  
 

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