Roberts RD-3 User manual
RD-3
FM RDS/DAB digital radio
Please read this manual before use
ROBERTS
Sound for Generations
rd-3 instruction book.pmd 7/9/2003, 11:06 AM1
Controls .............................................................................. 2
Battery operation ............................................................... 3
Mains operation ................................................................. 3
Operating your radio - DAB ............................................... 4
Selecting a station - DAB ................................................... 5
Secondary services - DAB ................................................. 6
Display modes - DAB ......................................................... 6
Finding new stations - DAB ............................................... 7
Autoselect - DAB ............................................................... 7
Manual tuning - DAB .......................................................... 8
Signal strength display - DAB ............................................ 8
Operating your radio - FM ................................................. 9
Manual tuning - FM .......................................................... 10
Display modes - FM ......................................................... 11
FM stereo/mono ............................................................... 11
Presetting stations - DAB and FM ................................... 12
Recalling a preset station - DAB and FM ........................ 13
System reset .................................................................... 14
Headphone socket ........................................................... 15
Display backlight .............................................................. 15
General ............................................................................ 16
Specifications ................................................................... 16
Contents
Circuit features ................................................................. 16
Mains Supply ................................................................... 17
Guarantee ........................................................................ 18
1
rd-3 instruction book.pmd 7/9/2003, 11:06 AM2
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 2
Controls
(Top)
1. On/Off button
2. Mains LED indicator
3. Auto Tune button
4. DAB/FM button
5. +5 button
6. Station presets
(Top) 146
7
911
1416
17
12
35
1315
10
2
13. Tuning up button
14. Liquid crystal display (LCD)
15. Treble control
16. Bass control
17. Volume control
7. Telescopic aerial (on rear)
8. Headphone socket (on end)
9. Tuning control
10. Select button
11. Info button
12. Tuning down button
8
rd-3 instruction book.pmd 7/9/2003, 11:06 AM3
3
Battery operation
1. Remove the Battery cover on the rear of the unit by pushing the
battery door in and downwards. .
2. Insert six LR14 (C size) batteries into the spaces in the compartment.
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.
We would recommend for economy that the RD-3 is used on the
mains whenever possible with battery operation for occasional or
stand-by use only.
Mains operation
1. Place your radio on a flat surface.
2. Plug the mains lead into the Socket located on the rear of your radio
ensuring that the plug is pushed fully into the socket.
3. Plug the other end of the mains lead into a wall socket and switch on
the wall socket.
rd-3 instruction book.pmd 7/9/2003, 11:06 AM4
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 4
Operating you radio - DAB
1. Fully extend the telescopic aerial
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 full scan of all band III DAB
channels will be carried out. The display will show "Autotune Full
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 Auto tune is complete 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 you radio will display
"No Signal".
2
rd-3 instruction book.pmd 7/9/2003, 11:06 AM5
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 or press the Up or Down buttons to scroll
through the list of available stations.
3. Press and release the Select button to select the station. The display
may show "Tuning" while your radio finds the new station.
4. Adjust the Volume and Tone controls to the required settings.
Note certain stations that appear on the station list may be data only
services - these stations do not broadcast any audio information e.g.
Digizone.
4
rd-3 instruction book.pmd 7/9/2003, 11:06 AM6
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 6
Display modes - DAB
Your radio has five display modes:-
1. Press the Info button to cycle through the various modes.
a. Scrolling text Displays scrolling text messages such
as artist/track name, phone in number
etc.
b. Program Type Displays type of station being listened to
e.g. Pop, Classic, News etc.
c. Multiplex Name Displays name of multiplex to which
current station belongs.
d. Signal strength Displays signal strength for station being
listened to.
e. Time and date Displays current time and date.
Secondary services - DAB
1. Certain radio stations have one or more secondary services associ-
ated 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 turn the tuning control.
a
b
c
d
e
rd-3 instruction book.pmd 7/9/2003, 11:06 AM7
7
Finding new stations - DAB
As time passes new stations may become available. To find new stations
proceed as follows:-
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 Select button to select a station your
radio can be set so as to automatically select a station.
1. Rotate the Tuning control a few clicks in either direction, immedi-
ately press and hold down the Select button until the display shows
Autoselect ON.
2. Rotate the Tuning control or press the Up or Down buttons 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 down the Select button
until the display shows Autoselect OFF.
rd-3 instruction book.pmd 7/9/2003, 11:06 AM8
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 8
Manual Tuning - DAB
Manual tuning allows you to tune directly to the various band III DAB
channels. UK DAB stations are currently located in the range 11B to 12D.
1. Press and hold down the Select button until the display shows
Manual tune. Release the Select button.
2. Rotate the Tuning control or press the Up or Down buttons to
select the required DAB channel.
3. Press and release the Select button to select the channel.
4. Rotate the Tuning control or press the Up or Down buttons to
select the stations contained within the Multiplex (group of stations)
for the selected DAB channel.
5. Press and release the Select button 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. Your radio can now be positioned for best reception using the signal
strength display as guide. Move your radio around and position your
radio so as to give maximum number of black rectangles on signal
strength display.
3. The clear unfilled rectangle indicates minimum signal level required
for satisfactory reception.
rd-3 instruction book.pmd 7/9/2003, 11:06 AM9
9
Operating you radio - FM
1. Fully extend the telescopic aerial
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 DAB/FM button to select the FM band.
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 Auto Tune button for 2 seconds
and then release.
8. When the waveband end is reached your radio will recommence
tuning from the opposite waveband end.
9. Adjust the Volume and Tone controls to the required settings.
10. To switch off your radio press the On/Off button.
rd-3 instruction book.pmd 7/9/2003, 11:06 AM10
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