Roberts Radio Portable Radio R9957 User Guide

R9957  
Multi-Powered 2 band radio  
Please read this manual before use  
 
Controls  
Top  
1
2
3
1. Dynamo handle  
2. Emergency buzzer button  
3. FM/MW Band switch  
1
 
Controls  
Front  
4
5
6
7
8
9
10  
4. Lamp button  
8. Dial scale with band indicator  
9. Power/Volume control  
10. Lamp  
5. Charge indicator  
6. Tuning indicator  
7. Tuning control  
If you need any further advice, please call our Technical Helpline on :-  
020 8758 0338 (Mon-Fri)  
2
 
Controls  
Rear  
14  
13  
15  
16  
12  
11  
11. Carrying strap  
12. Battery compartment  
13. Battery/Dynamo switch  
14. Telescopic aerial  
15. Headphone socket  
16. DC input socket  
3
 
Battery operation  
1. RemovetheBatterycoverontherearoftheunitbypushing  
the catch in the direction of the arrow.  
2. Insert two LR6 (AA size) batteries into the spaces in the  
compartment. Take care to ensure all batteries are inserted  
withthecorrectpolarityasshowninsidethebatterycompart-  
ment. 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.  
If you need any further advice, please call our Technical Helpline on :-  
020 8758 0338 (Mon-Fri)  
4
 
Operation via an AC adaptor (not included)  
The AC adaptor for use with the R9957 should provide 3 volts  
DC output at 300mA centre pin positive.  
1. Place your radio on a flat surface.  
2. Pull back the rubber protection cover from the DC input  
socket.  
3. Plug the adaptor lead into the DC input socket located on  
the left hand side end of your radio ensuring that the plug is  
pushed fully into the socket. The batteries will be automati-  
cally disconnected.  
4. Plug the adaptor into a wall socket and switch on.  
5
 
Charging your radio  
Your radio can be powered by winding the dynamo handle which  
charges an internal rechargeable battery, by using ordinary  
alkaline batteries or by using an adaptor. (not supplied)  
3
Using Dynamo power  
1. Ensure the telescopic aerial is in the rest position before  
winding the dynamo handle.  
2. Take out the Dynamo power handle from its rest posi-  
tion.  
3. WindtheDynamohandleeitherclockwiseoranti-clockwise  
until the charging LED indicator is illuminated. Winding the  
radio for 1 minute will give around 30 minutes charge.  
3
4. Ensure the handle is placed back in the rest position once  
charged.  
Note: The dynamo will not operate if an AC adpator is con-  
nected to the radio.  
If you need any further advice, please call our Technical Helpline on :-  
020 8758 0338 (Mon-Fri)  
6
 
Listening to your radio  
1. For FM reception fully extend and position the telescopic  
aerial for best reception. For MW reception there is a built  
in ferrite aerial, rotate the radio to the position giving best  
reception.  
2. Switch the Dynamo/Battery switch to either the Dynamo  
(if charged) or battery position.  
3. Switch on the radio by rotating the Power/Volume control  
clockwise, a click will be heard. Adjust the Volume control  
until a hissing sound is heard.  
2
4
3
4. Select the required waveband using the FM/MW band  
switch.  
5. Rotate the Tuning knob to select the desired station. On  
MW the Tuning scale is marked in kilohertz (kHz). On FM  
the Tuning scale is marked in Megahertz (MHz).  
5,6  
6. The Tuning indicator will light.  
7. Adjust the Volume control to the required sound level.  
7,8  
8. To switch off your radio rotate the Power/Volume control  
fully anti-clockwise until a click is heard.  
7
 
Lamp operation  
Your radio has a built in lamp which can either be used to illumi-  
nate the dial scale window or to illuminate for a short distance  
when required.  
1
1. Press the lamp button to switch on the lamp.  
2. The lamp can be used with the radio in the on or off posi-  
tion.  
Emergency buzzer  
Your radio has a built in buzzer for emergencies. The buzzer is  
to be used if you require help.  
1
1. Press the emergency buzzer button to activate the  
buzzer.  
2. Press the emergency buzzer button again to stop the  
buzzer.  
The emergency buzzer can be used with the radio in the on  
or off position.  
If you need any further advice, please call our Technical Helpline on :-  
020 8758 0338 (Mon-Fri)  
8
 
Headphones  
1. AHeadphone 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 loudspeaker.  
2. Liftbacktherubberprotectioncovertheninsertheadphones  
into the headphone socket.  
General  
Do not allow this unit to be exposed to water, steam or sand. 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  
isrecommendedthattheFMbandbeusedwhereverpossibleas  
better results in terms of quality and freedom from interference  
will usually be obtained than on the MW band.  
The radio is a water resistant unit not a water proof device,  
therefore make sure the rubber cover on the earphones socket  
and DC jack are properly sealed after usage.  
The name plate is located on the bottom of the unit.  
9
 
Specifications  
Circuit Features  
Power Requirements  
Loudspeaker  
50mm  
Batteries  
Dynamo  
Mains  
2 x LR6 (AA size) Not included  
1.2V rechargeable Ni-MH battery  
DC 3 Volts 300mA mains power adaptor  
centre pin positive (+). (not supplied)  
8 ohms 0.4W  
Output Power  
100mW  
Headphone socket  
DC socket  
3.5mm dia  
2.5mm dia  
Battery Life  
Approx. 100hrs of listening for 4 hours a day at  
normal volume using alkaline cells.  
Aerial System  
FM  
MW  
Telescopic aerial  
Built-in Ferrite aerial  
Frequency Coverage  
FM  
MW  
87.5-108MHz  
530 - 1710kHz  
The Company reserves the right to amend the specification without notice.  
If you need any further advice, please call our Technical Helpline on :-  
020 8758 0338 (Mon-Fri)  
10  
 
Guarantee  
This instrument is guaranteed for twelve months from the date of delivery to the original owner against failure due to faulty work-  
manship 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 instru-  
ment 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 at the address shown below.  
These statements do not affect the statutory rights of a consumer.  
ROBERTS RADIO TECHNICAL SERVICES  
97-99 Worton Road  
Isleworth Middlesex  
TW7 6EG  
Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours)  
Issue 1  
 

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