Roberts RD-12 Manual de usuario
RD-12
DAB digital radio
Please read this manual before use
ROBERTS
Sound for Generations
Controls..............................................................................2
Battery operation ...............................................................3
Mains operation .................................................................3
Operating your radio ..........................................................4
Selecting a station ............................................................5
Secondary services...........................................................6
Display modes...................................................................6
Finding new stations .........................................................7
Autoselect .........................................................................7
Manual tuning ....................................................................8
Signal strength display .....................................................8
Presetting stations ............................................................9
Recalling a preset station ............................................... 10
System reset ...................................................................11
Headphone socket ..........................................................12
Line out socket ...............................................................12
Display backlight.............................................................12
General ............................................................................16
Specifications..................................................................16
Circuit features ................................................................16
Mains Supply ...................................................................17
Guarantee........................................................................18
Contents
1
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 2
Controls
1. On/Off button
2. Mains LED indicator
3. Auto Tune button
4. Info button
5. +5 button
6. Station presets
(Top) 1467
10
14
15 12
35
13 11
2
13. Tuning up button
14. Liquidcrystaldisplay(LCD)
15. Volume control
7. Telescopic aerial (on rear)
8. Line out socket (on rear)
9. Headphone socket (on end)
10. Tuning control
11. Select button
12. Tuning down button
9
8
3
Battery operation
1. Remove the Battery cover on the rear of the unit by pushing the
battery door in and downwards. .
2. Insertsix LR14(Csize)batteriesintothespacesinthecompartment.
Takecareto ensureallbatteries areinserted with thecorrect polarity
asshowninsidethebatterycompartment.Replacethebatterycover.
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-12 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.
1
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 4
Operating your radio
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. IfthisisthefirsttimetheradioisusedaquickscanofUK BandIIIDAB
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. DuringAutotuneaseachgroupofstationsisdetectedthebottomline
ofthedisplaywillshowitsnameandthestationcountwillbeupdated.
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. Ifthe station list is still empty after the Autotune you radio will display
"No Signal".
7. If no signals are found it may be necessary to relocate your radio to
as position giving better reception.
2
5
Selecting a station
1. The top line of the display shows the name of the station currently
selected.
2. RotatetheTuningcontrolorpresstheUporDownbuttonstoscroll
through the list of available stations.
3. PressandreleasetheSelectbuttontoselectthestation.Thedisplay
may show "Tuning" while your radio finds the new station.
4. Adjust the Volume control to the required setting.
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
22
2
3
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 6
Displaymodes
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. Programme Type Displaystypeofstationbeinglistenedto
e.g. Pop, Classic, News, etc.
c. Multiplex Name Displays name of multiplex to which
current station belongs.
d. Signal strength Displayssignalstrengthforstationbeing
listened to.
e. Time and date Displays current time and date.
Secondaryservices
1. Certain radio stations have one or more secondary services asso-
ciated with them. If a station has a secondary service associated
withitthe displaywillshow ">"next tothestation nameon 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
1
7
Finding new stations
As time passes new stations may become available. To find new
stations proceed as follows:-
1. Press and release the Auto Tune 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-handside of thedisplay will increaseand 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 Auto Tune 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
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. RotatetheTuningcontrolorpresstheUporDownbuttons untilthe
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
eitherdirection, immediately press and holddown theSelect button
until the display shows Autoselect OFF.
1
2
1
1
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri) 8
Manual Tuning
Manual tuning allows you to tune directly to the various Band III DAB
channels.UKDABstationsarecurrentlylocatedintherange11Bto12D.
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
1. Repeatedly press and release the Info button until the lower line
of the display shows signal strength.
2. Positionyour radio and angle the telescopic aerial forbest reception
using the signal strength display as guide. Move your radio around
and position 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.
1
2
2
3
2
1
9
Presettingstations
There are 10 memory presets.
1. Press the On/Off button switch on the radio.
2. Tune to the required station as previously described.
3. Press and hold down the required Preset button until the display
shows e.g. Preset 1 stored. The station will be stored under the
chosen preset button. Repeat this procedure for the remaining
presets.
4. Presets 6 to 10 are obtained by pressing +5 followed by Preset
button 1 to 5. e.g preset 7 can be set by pressing +5 followed by
holding down Preset button 2 until the display shows Preset 7
stored.
5. Stations stored in preset memories may be overwritten by following
the above procedure.
1
3
4
4
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