Roberts Radio Portable Radio RD 50CFM User Guide

RD-50CFM  
FM RDS/DAB digital radio  
with  
Please read this manual before use  
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Controls  
(Top)  
5
6
4
7
3
8
9
2
1
10  
11  
7. Info button  
1. Volume control  
8. Classic FM button  
9. Telescopic aerial  
10. Tuning control  
11. LCD display  
2. Headphone socket  
3. Pause Plus button  
4. Power button  
6. Auto Tune button  
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Controls  
11  
10  
10. DC in socket  
11. Line output socket  
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3
Battery operation  
1. Release the catch securing the rear door of your radio.  
2. Insert four LR20 (D 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. Close the rear  
door and secure the catch  
3. Reduced power, distortion and a ‘stuttering’ sound are all signs that  
the batteries may need replacing.  
1
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 RD-10 is used via the  
AC adaptor whenever possible with battery operation for occasional  
or stand-by use only.  
Using the AC adaptor  
1. Insert the adaptor plug into the DC in socket on the rear of your radio.  
2. Plug the adaptor into a standard 13A mains socket outlet. Whenever  
the adaptor is used the batteries are automatically disconnected.  
The AC adaptor should be disconnected from the mains supply and  
the radio when not in use.  
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Operating your radio - DAB  
1. Carefully extend the telescopic aerial.  
2
2. Press the On/Off button to switch on your radio. The display will  
show "Roberts DAB digital radio" for a few seconds.  
3. If this is the first time the radio is used a quick scan of UK Band III  
DAB channels will be carried out. The display will show "Autotune  
Quick scan". If the radio has been used before the last used station  
will be selected.  
4. During Autotune as each group of stations is detected the bottom  
line of the display will show its name and the station count will be  
updated. The top line of the display shows a bargraph indicating  
progress of the Autotune.  
5. When the Autotune is completed the first station (in numeric-alpha  
order 0...9...A....Z) will be selected.  
6. If the station list is still empty after the Autotune your radio will display  
"No Signal".  
7. If no signals are found it may be necessary to relocate your radio  
to a position giving better reception.  
5
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Selecting a station - DAB  
1. The top line of the display shows the name of the station currently  
selected.  
2. Rotate the Tuning control to scroll through the list of available  
stations. Stop rotating the Tuning control when you find the station  
that you wish to hear.  
3. Press and release the Tuning control to select the station. The  
display may show "Tuning" while your radio finds the new station.  
4. Adjust the Volume control to the required setting.  
2
Note: If after selecting a station the display shows "Not Available"  
it may be necessary to relocate your radio to a position giving better  
reception.  
4
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Secondary services - DAB  
1. Certain radio stations have one or more secondary services  
associated with them. If a station has a secondary service associated  
with it the display will show ">" next to the station name on the station  
list. The secondary service will then appear immediately after the  
primary service as you rotate the tuning control clockwise.  
Display modes - DAB  
f image  
Your radio has five display modes:-  
1. Press the Info button to cycle through the various modes.  
a
a. Scrolling text  
Displays scrolling text messages such  
as artist/track name, phone in number,  
etc.  
1
b
c
d
b. Programme type  
c. Multiplex Name  
d. Signal strength  
e. Time and date  
Displays type of station being listened to  
e.g. Pop, Classic, News, etc.  
Displays name of multiplex to which  
current station belongs.  
Displayssignalstrengthforstationbeing  
listened to.  
Displays current time and date.  
e
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Finding new stations - DAB  
As time passes new stations may become available. To find new  
stations proceed as follows:-  
1
1. Press and release the AutoTune button, the display will show  
"Autotune Quick Scan". Your radio will perform a scan of the UK DAB  
frequencies. As new stations are found the station counter on the  
right-hand side of the display will increase and stations will be added  
to the list  
2. To carry out a full scan of the entire DAB Band III frequencies press  
and hold down the AutoTune button for more than 2 seconds and  
then release. The display will show "Autotune Full scan". As new  
stations are found the station counter on the right-hand side of the  
display will increase and stations will be added to the list  
2
Autoselect-DAB  
As an alternative to pressing the tuning control to select a station your  
radio can be set to automatically select a station.  
1. Rotate the Tuning control a few clicks in either direction, imme-  
diately press and hold in the tuning control until the display shows  
"Autoselect ON".  
1
2. Rotate the Tuning control until the station you require is visible on  
the display, after a few seconds your radio will automatically select  
the station shown on the display.  
3. To switch off Autoselect rotate the Tuning control a few clicks  
in either direction, immediately press and hold in the Tuning control  
until the display shows "Autoselect OFF".  
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Manual Tuning - DAB  
Manual tuning allows you to tune directly to the various DAB Band III  
channels. UK DAB stations located in the range 11B to 12D.  
1. Press and hold in the Tuning control until the display shows  
"Manual tune".  
1
2. Rotate the Tuning control to select the required DAB channel.  
3. Press and release the Tuning control to select the channel.  
4. Rotate the Tuning control to select the stations contained within  
the Multiplex (group of stations) for the selected DAB channel.  
5. Press and release the Tuning control to return to normal tuning  
mode.  
Signal strength display - DAB  
1. Repeatedly press and release the Info button until the lower line  
of the display shows signal strength.  
2. Position your radio and carefully angle the telescopic aerial for best  
reception using the signal strength display as a guide. Move your  
radio around and position so as to give maximum number of black  
rectangles on signal strength display.  
1
3. The clear unfilled rectangle indicates minimum signal level required  
for satisfactory reception.  
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Using your radio's Pause Plus feature  
How many times has your favourite radio station been interrupted  
by that phone call from a double glazing firm or someone selling that  
must have item? Sound familiar? Now with a single press of the  
1
button you can put your favourite station on hold while  
you answer that important call. After the call or other important task  
is finished simply press the  
button to return to your  
favourite station exactly where you left off so that you never miss  
a single word.  
Radio stations can effectively be put on hold for typically 20 minutes  
butcanbeupto35minutesdependingonthestationyouarelistening  
to.  
2
Note the  
feature only operates on the DAB  
waveband.  
1. Toplaceyourradioin  
modesimplypressthe  
button, the sound from the loudspeaker will be muted. The display  
will alternate between PAUSE and the time which the radio station  
has been on Pause.  
2. To return to the radio station that you were listening to simply press  
the  
button and your radio will continue playing from  
where you left off. The display will alternate between DELAY and  
the amount by which you are behind real time.  
3. When using your radio's  
feature the lower line of display  
automatically switches to show the Maximum delay time for the  
station you are listening to.  
4. To return to real time press in and release the Tuning control, the  
4
display will return to show DAB in right hand corner.  
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Pause Plus continued  
1
1. As soon as you switch on your radio the  
feature is  
working silently in the background so, say for example, you want  
to hear a news item again press the twice and rotate the  
tuning control anti-clockwise to scroll back to the item you wish to  
listen. The display will show the amount of time you have scrolled  
back.  
Note the  
memory only starts when your radio is  
switched on.  
2. When using your radio's  
feature the lower line of display  
1
automatically switches to show the Maximum delay time for the  
station you are listening to.  
ClassicFMbutton  
1
Your radio is fitted with a button which when pressed will automatically  
tune your radio to Classic FM on the DAB waveband  
1. Press the Classic FM button.  
2. Your radio will automatically tune to Classic FM.  
Note: If Classic FM is not available in your area the display  
will show "Not Found" as an alternative it may be possible  
to listen to Classic FM on the FM waveband.  
11  
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Operating your radio - FM  
1. Carefully extend the telescopic aerial.  
2
2. Press the On/Off button to switch on your radio. The display will  
show "Roberts DAB digital radio" for a few seconds.  
3. Press the Band button to select the FM band.  
3
4
4. Press and immediately release the Auto Tune button, your radio  
will scan in an upwards direction (low frequency to high frequency)  
and stop automatically when it finds a station of sufficient strength.  
5. After a few seconds the display will update and show station name.  
6. To find other stations press and release the AutoTune button as  
before.  
7. To scan the FM band in a downwards direction (high frequency to  
low frequency) press and hold down the AutoTune button for 0.5  
seconds and then release.  
8. When the waveband end is reached your radio will recommence  
tuning from the opposite waveband end.  
9
9. Adjust the Volume control to the required setting.  
10. To switch off your radio press the On/Off button.  
10  
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Manual tuning - FM  
1. Press the On/Off button to switch on your radio.  
1
3
2
2. Press the Band button to select the FM band. Fully extend the  
Telescopic aerial .  
3. Rotate the Tuning control to tune to a station. The frequency will  
change in steps of 50kHz.  
4. When the waveband end is reached the radio will recommence  
tuning from the opposite waveband end.  
5. Set the Volume control to the required setting.  
6. To switch off your radio press the On/Off button.  
5
6
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Display modes - FM  
On FM the bottom line of the display can be set to any of the following  
modes:-  
a
b
1. Press the Info button to cycle through the various modes.  
1
a. Scrolling text  
Displays scrolling text messages such  
as artist/track name, phone in number  
etc.  
c
b. Program Type  
c. Signal strength  
Displays type of station being listened to  
e.g. Pop, Classic, News, etc.  
d
e
Displayssignalstrengthforstationbeing  
listened to.  
d. Time and date  
e. Frequency  
Displays current time and date.  
Displays frequency of the station being  
listened to.  
f
f. Audio mode  
Display shows Auto (stereo) or mono.  
FM Stereo/Mono  
1. If a station being received is weak some hiss may be audible. To  
reduce the hiss press and hold in the Tuning control until the  
display shows "Audio mode: Mono". Your radio will switch to mono  
mode.  
2. To return to stereo mode press and hold in the Tuning control until  
the display shows "Audio mode: Auto". Your radio will switch to  
stereo mode.  
1
Note: FM stereo is only available when listening via earphone/  
headphones  
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Systemreset  
If your radio fails to operate correctly, or some digits on the display are  
missing or incomplete carry out the following procedure.  
1
2
1. Switch off your radio.  
2. Switch on your radio - as soon as the screen shows "Roberts DAB  
digital radio" press and hold in the Tuning control until the display  
shows "System Reset".  
2
3. A full reset will be performed. All presets and station lists will be  
erased.  
4. If DAB was used last then a "Quick scan" of the DAB band will be  
performed, otherwise a "Quick scan" will be carried out the next time  
the DAB band is selected.  
If a problem persists our technical staff would be pleased  
to offer any assistance on operating the radio. Our technical  
helpline number is 020 8758 0338.  
15  
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Headphone socket  
A 3.5mm Headphone Socket located on the top left hand corner of your  
radio is provided for use with either headphones or an earpiece.  
Inserting a plug automatically mutes the internal loudspeaker.  
Displaybacklight  
1. The display backlight will be switched on for approximately 12  
seconds when any button is pressed.  
2. When your radio is powered by AC mains the display backlight will  
always be switched on.  
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General  
Do not allow this radio 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 is recommended that  
the DAB band be used wherever possible as better results in terms of  
quality and freedom from interference will usually be obtained than on  
the FM band.  
Specifications  
Power Requirements  
Mains  
AC 230 volts, 50Hz  
4 x LR20 (D size)  
only  
Circuit Features  
Loudspeaker  
Batteries  
75mm full range  
1.0 Watt  
Battery Life  
Approx. 30 hours of listening for 4 hours a day  
at normal volume using alkaline cells.  
Output Power  
Frequency Coverage  
Headphone socket  
Aerial System FM  
DAB  
3.5mmdia  
FM  
87.5-108MHz  
DAB 174.928 - 239.200MHz  
Telescopic aerial  
Telescopic aerial  
17  
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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 at the address shown on the rear of this manual.  
These statements do not affect the statutory rights of a consumer.  
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ROBERTSRADIOTECHNICALSERVICES  
97-99 Worton Road  
Isleworth Middlesex  
TW76EG  
Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours)  
Issue1  
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