RD-10
FM RDS/DAB digital radio
Please read this manual before use
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Controls
4
5
3
6
7
(Top)
2
1
8
9
1. Volume control
2. Headphone socket
3. Power button
6. Info button
7. Telescopic aerial
8. Tuning control
9. LCD display
4. FM/DAB button
5. Auto Tune button
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2
020 8758 0338 (Mon-Fri)
Controls
(Rear)
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.
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5
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. Certainradiostationshaveoneormoresecondaryservicesassociated
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
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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7
Finding new stations - DAB
As time passes new stations may become available. To find new stations
proceed as follows:-
1
2
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
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.
9
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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
11
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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.
13
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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
Circuit Features
Loudspeaker
75mm full range
1.0 Watt
Mains
AC 230 volts, 50Hz
4 x LR20 (D size)
only
Batteries
Output Power
Battery Life
Approx. 30 hours of listening for 4 hours a day
at normal volume using alkaline cells.
Headphone socket
Aerial System FM
3.5mmdia
Telescopic aerial
Frequency Coverage
FM
87.5-108MHz
DAB Telescopic aerial
DAB 174.928 - 239.200MHz
15
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Notes
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Notes
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.
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020 8758 0338 (Mon-Fri)
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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