Roberts RD-22 User Manual

RD-22

FM RDS/DAB digital radio

with

Please read this manual before use

ROBERTS

Sound for Generations

Controls ........................................................................... 2-4

Remote handset battery replacement .................................5

Mains operation ...................................................................5

Operating your radio - DAB .................................................6

Selecting a station - DAB ....................................................7

Secondary services - DAB ..................................................8

Display modes - DAB ..........................................................8

Finding new stations - DAB .................................................9

Autoselect - DAB .................................................................9

Manual tuning - DAB .........................................................10

Signal strength display - DAB ............................................10

Using your radio's Pauseplus feature ...........................11-12

Operating your radio - FM .................................................13

Manual tuning - FM ...........................................................14

Display modes - FM...........................................................15

FM stereo/mono ................................................................15

Presetting stations - DAB and FM .....................................16

Recalling a preset station - DAB and FM ..........................16

System reset .....................................................................17

Favourite button ................................................................18

Software version ................................................................18

Sleep function ....................................................................19

Contents

Alarm display .....................................................................20

Alarm/timers ................................................................ 21-24

Snooze function .................................................................25

Cancelling alarms ..............................................................25

Connecting to an external amplifi er or recorder ................26

Recording from your radio .................................................26

Clock display .....................................................................27

Display backlight ...............................................................27

3D sound switch ................................................................28

Aux in socket .....................................................................28

Headphone and optical output sockets .............................29

General ..............................................................................30

Specifi cations ....................................................................30

Circuit features ..................................................................30

Mains Supply .....................................................................31

Guarantee .........................................................................34

1

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

2

Controls

1. Loudspeakers

2. Infra red sensor

3. LCD display

4. Volume/standby control

(Front)

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3

Controls

(Rear)

5. Optical output socket (toslink)

6. Auxiliary in socket

7. Headphone socket

8. 3D sound switch

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67 9

10

9. Mains input socket

10. Telescopic aerial holder

11. Telescopic aerial

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

4

Remote control

3

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13 12 11

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8

6

1. Band button

2. Alarm button

3. Number keys

4. Favourite button

5.

button

6. Menu/select button

7. Tuning down button

8. Tuning up button

9. Volume down button

10. Volume up button

11. Standby button

12. Info button

13. Auto tune button

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Mains operation

1. Place your radio on a fl at 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.

Remote handset battery replacement

1. With the aid of the end of a paper clip slide catch in direction
shown.

2. Remove battery holder by pushing holder in direction shown.

3. Remove battery from holder.

4. Replace battery (CR2025 or equivalent) ensuring that positive side of
battery faces you with holder positioned as shown.

5. Replace the battery holder.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

Operating your radio - DAB

1. Fully extend the telescopic aerial.

2. Press the StandBy button to switch on your radio. The display will
show "Roberts DAB digital radio" for a few seconds.

3. If this is the fi rst 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 Auto tune is complete the fi rst 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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Selecting a station - DAB

1. The top line of the display shows the name of the station currently
selected.

2. Press the Up or Down Tuning buttons to scroll through the list of
available stations. Stop pressing the Tuning buttons when you fi nd
the station that you wish to hear.

3. Press the Menu/Select button to select the station. The display may
show "Tuning" while your radio fi nds the new station.

4. Adjust the Volume and 3D sound switch to the required
settings.

Note: If after selecting a station the display continues to show "Not

Available" it may be necessary to relocate your radio to a position
giving better reception.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

8

Display modes - DAB

Your radio has fi ve 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 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 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.

a

b

c

d

e

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Finding new stations - DAB

As time passes new stations may become available. To fi nd 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 tuning control to select a station your
radio can be set so as to automatically select a station.

1. Press the Tuning Up or Down buttons to scroll through the list of
available stations.

2. Immediately press and hold in the Menu/Select button for 2 seconds
until the display shows "Autoselect ON".

3. Press the Tuning 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.

4. To switch off Autoselect press the Tuning Up or Down buttons to
scroll through the list and immediately press and hold in the Menu/
Select button until the display shows "Autoselect OFF".

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

10

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 Menu/Select button until the display shows
"Manual tune".

2. Press the Tuning Up or Down buttons to select the required DAB
channel.

3. Press and release the Menu/Select button to select the channel.

4. Press the Tuning Up or Down buttons to select the stations contained
within the Multiplex for the selected DAB channel.

5. Press and release the Menu/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. Position your radio and 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.

3. The clear unfi lled rectangle indicates minimum signal level required
for satisfactory reception.

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Using your radio's Pauseplus feature

How many times has your favourite radio station been interrupted by

that phone call from a double glazing fi rm or someone selling that must
have item? Sound familiar? Now with a single press of the
button you can put your favourite station on hold while you answer that
important call. After the call or other important task is fi nished 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 15 minutes

but can be up to 35 minutes depending on the station you are listening
to.

Note the

feature only operates on the DAB

waveband.

1. To place your radio in mode simply press the
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 Menu/Select button,

the display will return to show DAB in right hand corner.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

12

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Pauseplus continued

1. Your radio’s feature is continuiously working silently in
the background even when your radio is in Standby mode so, say for
example, you want to hear a news item again switch on your radio
using the Standby button and press button twice, use
the Tuning Up or Down buttons to scroll back to the item you wish
to listen. The display will show the amount of time you have scrolled
back.

Note when your radio is in standby the

memory will
continuiously store up to 35 minutes of the last station listened
to.

2. 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.

Operating your radio - FM

1. Fully extend the telescopic aerial.

2. Press the StandBy 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.

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 fi nds a station of suffi cient strength.

5. After a few seconds the display will update and show station name.

6. To fi nd 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. Adjust the Volume and 3D sound switch to the required
settings.

10. To switch off your radio press the StandBy button.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

14

Manual tuning - FM

1. Press the StandBy button to switch on your radio.

2. Press the Band button to select the FM band. Fully extend the Te l-
escopic aerial.

3. Press the Tuning Up and Down buttons 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 and 3D sound switch to the desired settings.

6. To switch off your radio press the StandBy button.

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Display modes - FM

On FM the bottom line of the display can be set to any of the following
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 Displays type of station being listened to

e.g. Pop, Classic, News, etc.

c. Signal strength Displays signal strength for station being

listened to.

d. Time and date Displays current time and date.

e. Frequency Displays frequency of the station being

listened to.

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 repeatedly press the Menu/Select button until the display
shows "Audio mode : mono" your radio will switch to mono mode.

2. To return to stereo mode repeatedly press the Menu/Select button
until the display shows "Audio mode :Auto", your radio will switch to
stereo mode.

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b

c

d

e

f

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

16

Presetting stations - DAB and FM

There are 10 memory presets for each of the 2 wavebands.

1. Press the StandBy button to switch on your 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. Stations stored in preset memories may be overwritten by following
the above procedure.

Recalling a preset station - DAB and FM

1. Press the StandBy button to switch on your radio.

2. Select the required waveband by pressing the Band button.

3. Momentarily press the required Preset button, your radio will tune to
the station stored in preset memory.

Note: If you have not previously stored a preset station and the preset

button is pressed "preset N empty" will be displayed.

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System reset

If your radio fails to operate correctly, or some digits on the display are
missing or incomplete carry out the following procedure.

1. Press and hold in the Info button until the display shows RD22
v1.03.

2. Press the Info button twice the display will show "Select to Reset".

3. Press in and release the Menu/Select button to select System
reset.

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 help offer

any assistance on operating the radio. Our technical helpline number
is 020 8758 0338.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

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Favourite button

Your radio is fi tted with a button when pressed will automatically select the
required waveband and tune to your favourite station. This will allow you
to store a total of one station from either the FM or DAB waveband.

1. To setup your favourite station, tune into the required station.

2. Press and hold down the Favourite button (15 sec) until the display
shows "Favourite station stored".

Recalling your favourite station

1. Press the StandBy button to switch on your radio.

2. Momentarily press the Favourite button, your radio will tune to the
station stored in favourite memory.

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Software version

The software display cannot be altered and is for your reference only.

1. To view the software version your radio has, press and hold in the
Advanced info button. The software version will appear on the
display.

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Sleep function

Your clock radio can be set to turn off after a preset time has elapsed.

1. Press and hold in the StandBy button for more than 3 seconds.

2. Press the Tuning Up or Down buttons to increase the time by 1
minute increments, up to a maximum of 99 minutes.

3. Pressing the Tuning Up or Down buttons will decrease the time by
1 minute increments.

4. Press and hold the Tuning Up or Down buttons to advance the sleep
time quickly.

5. Your radio will switch off after the preset sleep time has elapsed.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

Alarm display

1. Alarm/timer number indicator (1-6)

2. Alarm/timer mode indicator

DAB/FM/BUZZER

3. DAB - Station indicator

FM - Frequency indicator

4. Day indicator

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5. Month indicator

6. Year indicator

7. Alarm/timer hour indicator

8. Alarm/timer minute indicator

9. Alarm/timer duration indicator

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Alarms/timers

Your radio has six separate alarms/timers which can be set to activate at
different times and six different day options from which to choose.

Your buzzer alarm has a humane wake system whereby the alarm starts
at a low level and gradually works up to a high level.

1. Press and release the Alarm button, "alarm 1-6" will fl ash in the
display.

2. Press the Tuning Up or Down buttons to select the required alarm
1- 6.

3. Press and release the Menu/Select button to step forward to the
alarm mode. The alarm mode indicator will fl ash in the display.

4. Press the Tuning Up or Down to select the required alarm mode.
Select either DAB, FM or BUZZER.

DAB alarm mode

• If DAB alarm mode has been selected, press and release the Menu/Select
button to step forward to select the DAB station name. The station

name indicator will fl ash in the display.

• Press the Tuning Up or Down buttons to select the required DAB
station.

FM alarm mode

• If FM alarm mode has been selected, press and release the Menu/Select
button to step forward to select the FM frequency. The frequency

indicator will fl ash in the display.

• Press the Tuning Up or Down buttons to select the required
frequency.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

22

5. Press and release the Menu/Select button to enter the day. The day
indicator will fl ash in the display.

6. Press the Tuning Up or Down buttons to select the required day.

7. Press and release the Menu/Select button to step forward to enter
the month. The month indicator will fl ash in the display.

8. Press the Tuning Up or Down buttons to select the required
month.

9. Press and release the Menu/Select button to step forward to enter
the year. The year indicator will fl ash in the display.

10. Press the Tuning Up or Down buttons to select the required year.

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11. Press and release the Menu/Select button to step forward to enter
the alarm hour. The hour indicator will fl ash in the display.

12. Press the Tuning Up or Down buttons to select the required hour.

13. Press and release the Menu/Select button to step forward to enter
the alarm minute. The minute indicator will fl ash in the display.

14. Press the Tuning Up or Down buttons to select the required
minute.

15. Press and release the Menu/Select button to step forward to enter the
alarm duration. The alarm duration indicator will fl ash in the display.

16. Press the Tuning Up or Down buttons to select the required alarm
duration. This can be set in 1 minute increments (maximum 240
minutes).

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

17. Press and release the Menu/Select button to step forward to enter
the day option. The day option indicator will fl ash in the display.

18. Press the Tuning Up or Down buttons to select the required alarm
day option.

• Your alarm can be set to sound once, daily, weekly, weekends,
weekdays or monthly.

Once - Will sound at one time only

Daily - Will sound every day

Weekly - Will sound once every week

Weekends - Will sound only on weekends

Weekdays - Will sound on a particular weekday

Monthly - Will sound every month

19. Press the Menu/Select button to confi rm settings.

20. To exit the alarm setup and return to the normal radio mode press the
StandBy button at any time during the setup process.

21. Press the StandBy button again and the radio will remain in standby
mode until the alarm sounds. The alarm/timer symbol

will appear

in the display.

The alarm will sound at the selected alarm time.

The radio alarm volume will be the volume previously listened to when

setting up the alarms.

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Snooze function

1. The radio or buzzer alarm can be silenced for 7 minutes by pressing
and releasing the StandBy button. This sequence can be repeated
during the alarm period. The snooze symbol

will appear on the

display.

2. Press the StandBy button twice to cancel the snooze completely.

Cancelling alarms

Note: The alarm will activate for 60 minutes unless a specifi ed alarm
duration has been entered (maximum 240 minutes).

1. Press the StandBy button twice to switch the alarm off.

2. Enter the alarm setup menu and select the alarm mode to the "OFF"
position.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

26

Connecting to an external amplifi er or recorder

You can connect your radio to an external amplifi er or recorder. This may
be a stand-alone unit or it may be part of your existing hi-fi system.

1. Connect the optical toslink connector to the optical input socket(s) on
your amplifi er or recorder using a suitable cable.

Recording from your radio

Your radio has six alarm/timers which can be set to switch on your radio
at a preset day, time, and station. See section on page 21 for details on
how to set alarm/timers

1. A programme/station can be recorded to an external device via the
optical toslink connector located on the rear of your radio. Connect
the optical toslink connector to the optical input socket(s) on your
recorder using a suitable cable.

Most mini disc units have a record pause mode that enables the mini

disc to start recording as soon as a signal appears on the mini disc
input. When your radio switches on controlled by the alarm timer the
mini disc will start recording.

Subsequent timer events are then recorded onto track 2,3, etc. Consult

your hi-fi or mini disc user guide for further details. The volume on
your radio can be set to 0 so that you will not be disturbed during the
recording. The volume control does not affect the recording level.

Note: The timer record function is for personal use only.

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Display backlight

1. The display backlight will illuminate when your radio is switched on
and dim to about one tenth of the full brightness when your radio is in
standby mode.

Clock display

1. Your radio will display clock time when it is set to Standby mode.

2. During Standby mode the clock will receive updates from the last
station tuned to before entering Standby mode.

When in Standby mode your radio's clock will automatically track

Summer\Winter time changes.

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If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

28

Aux in socket (3.5mm Jack)

1. Connect a stereo or mono audio source (ie iPod, MP3 or CD player) to

the Aux in socket. Information from your radio's display will disappear

- the backlight will be illuminated indicating that your radio is switched

on.

2. Adjust the Volume control on your iPod, MP3 or CD player for com-
fortable listening.

The Alarm/Timers will not operate while you have any connection

to the Aux in socket.

Note: When you connect the audio source your radio will be muted.

You must adjust the volume on your iPod, MP3 or CD player in order
to play the sound through your radio speakers.

3D sound switch

Your radio speakers may be altered to give a normal or a 3D sound
effect.

1. To give 3D sound, switch your 3D sound switch to 3D position.

2. To give normal sound, switch your 3D sound switch to normal.

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Headphone and optical output sockets

1. A 3.5mm Headphone Socket located on the rear of your radio is
provided for use with either headphones or an earpiece. Inserting a
plug automatically mutes the internal loudspeaker.

2. A digital optical output socket is provided on the rear of your radio for
connection to an amplifi er, mini-disc or other equipment with a digital
optical input.

2

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

30

Specifi cations

Power Requirements

Mains AC 230 volts, 50Hz

only

Battery (Remote control) 3.0V CR2025 button type

Frequency Coverage

FM 87.5-108MHz

DAB 174.928 - 239.200MHz

Circuit Features

Loudspeaker 63 mm

Output Power 5 Watts

Headphone socket 3.5mm dia

Auxiliary in socket 3.5mm dia

Digital optical output socket 3.5mm dia

Aerial System FM Telescopic aerial

DAB Telescopic aerial

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. 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.

31

The wire coloured BLUE must be connected to the terminal marked N or
coloured BLACK.

The wire coloured BROWN must be connected to the terminal marked L
or coloured RED.

Mains supply

The RD22 will operate from a supply of AC 230 volts, 50Hz only.

DO NOT cut off the mains plug from this equipment. If the plug fi tted
is not suitable for the power points in your home or the cable is too short
to reach a power point, then obtain an appropriate safety approved exten­sion lead or adaptor. If in doubt consult your dealer.

If nonetheless the mains plug is cut off, remove the fuse and dispose of
the plug immediately to avoid a possible shock hazard by inadvertent
connection to the mains supply.

If this product is not supplied with a mains plug, or one has to be fi tted,
then follow the instructions given below:

IMPORTANT. DO NOT make any connection to the larger terminal which
is marked with the letter E or by the safety earth symbol

or coloured

Green or Green-and-yellow.

The wires in the mains lead are coloured in accordance with the following
codes :-

BLUE - NEUTRAL BROWN - LIVE

Fuse

When replacing the fuse only a 3A ASTA approved to BS1362 type should
be used and be sure to re-fi t the fuse cover.

IF IN DOUBT - CONSULT A QUALIFIED ELECTRICIAN.

Replacement fuse holders are available from Roberts Radio Technical
Services at the address shown on the rear of this manual.

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

Notes:

32

Notes:

33

If you need any further advice, please call our Technical Helpline on :-

020 8758 0338 (Mon-Fri)

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 effi ciently 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 overleaf.

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ROBERTS RADIO TECHNICAL SERVICES

97-99 Worton Road

Isleworth Middlesex

TW7 6EG

Technical Helpline :- 020 8758 0338 (Mon-Fri during offi ce hours)

Website: http://www.robertsradio.co.uk

Issue 1