Roberts Radio MP-23 User Manual

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MP-23

CD/AM/FM RDS/DAB digital sound system with

MP3/WMA/SD/USB and remote control

ROBERTS

Sound for Generations

Please read this manual before use

Contents

MP-23 Sound features.........................................................2

Controls ........................................................................... 3-5

Remote handset battery replacement .................................6

Mains operation ...................................................................6

Setting the clock ..................................................................7

Using your system for the rst time .....................................8

Selecting the MP-23 modes ................................................9

Operating your radio - DAB ...............................................10

Selecting a station - DAB...................................................11

Secondary services - DAB.................................................11

Display modes - DAB ........................................................12

Finding new stations - DAB ...............................................13

Manual tuning - DAB .........................................................14

Signal strength display - DAB ............................................14

Using your radio's Pauseplus feature .......................... 15-16

Station order setup - DAB only ..........................................17

Prune stations - DAB only .................................................18

Software version - DAB only..............................................18

Dynamic Range Control (DRC) settings - DAB only..........19

Operating your radio - Search tuning FM ..........................20

Automatic programme type search - FM ...........................21

Display modes - FM RDS ..................................................22

FM Stereo/Mono ................................................................22

Operating your radio - Search tuning MW .........................23

Manual tuning - FM and MW .............................................24

Presetting stations .............................................................25

Equalizer function ..............................................................26

Mute function .....................................................................26

Sleep function ....................................................................27

Compact discs ............................................................. 28-31

MP3/WMA CD mode ................................................... 32-35

Using SD cards or USB memory devices .................... 36-40

Alarm ........................................................................... 41-44

System reset......................................................................45

Clock display .....................................................................46

3D Sound switch................................................................46

Auxiliary In socket..............................................................47

Line Out socket..................................................................47

Headphone and optical output sockets .............................48

General ..............................................................................49

Specications ....................................................................49

Mains supply......................................................................50

Notes ........................................................................... 51-53

Guarantee..........................................................................54

MP-23 Sound System features

The Roberts MP-23 Sound system provides the following features in an attractive compact unit.

Radio

The MP-23 can receive DAB, FM (with RDS), and AM (Medium Wave) bands.

The MP-23 plays audio CDs (can also play CDR, CDRW discs)

CD-MP3/WMA

The MP-23 plays MP3 and WMA les which have been recorded to CDR

or CDRW.

SD slot and USB socket

The MP-23 plays MP3 and WMA les from SD cards or USB memory

devices.

Auxiliary input

The MP-23 can be used as an amplier and loudspeaker system for

external MP3 players, mini disc players and similar devices.

Digital output

An optical output is provided for connection to AV receivers, mini- disc recorders or other devices with a digital input.

Line Out socket

A standard 3.5mm Line Out socket is provided for connecting the audio signal to an external amplier.

Surround effect

An optional 3D surround effect provides enhanced stereo sound.

Acoustically tuned cabinet

The quality enclosure includes bass ports and internal bracing to offer optimal sound reproduction.

Headphone output

A standard 3.5mm headphone socket is provided for private listening.

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

020 8758 0338 (Mon-Fri)

Controls

(Front)

3 2

4 5

1. Infra red sensor

2. Loudspeakers

3. LCD display

4. CD slot

5. CD Eject button

6. SD card door

7. On/Off/Volume control

Controls

(Rear)

8. Telescopic aerial

9. Mains input socket

10. Optical output socket (Toslink)

11. Auxiliary in socket

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

020 8758 0338 (Mon-Fri)

10111314 12

12. Line Out socket

13. Headphone socket

14. 3D Sound switch

Remote control

23 22

1. Radio button

2. Clock/Adjust/Folder button

3. Alarm button

4. Keypad buttons 1-10/0

5. CD Eject button

6. Tuning Down/Rewind button

7. Tuning Up/Fastforward button

8. Ok/Select button

9. Autotune button

10. Setup/Repeat button

11. Info/Random button

12.

Play/Pause button

13. Stop button

14. Direct track access button

15. Equalizer button

16. Volume Down button

17. Volume Up button

18. Mute button

19. Sleep button

20. Clock button

21. On/Off button

22. SD/USB button

23. CD button

Remote handset battery replacement

1. Press in the tab on the left hand side of the battery tray and slide the tray out.

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

3. Remove battery from holder.

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

5. Replace the battery holder.

Mains operation

1. Place your radio on a at surface.

2. Plug the mains lead into the

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.

4. The clock digits on the display will ash.

5. To set the clock refer to page 7.

Please note the time must be set before the alarm function can

be used.

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

020 8758 0338 (Mon-Fri)

Socket located on the rear of your radio

Setting the clock

Leave the unit in Standby while the clock sets. In the event that the clock does not automatically set follow the procedure below.

You will need to set the clock before the alarm function can be set.The clock display will be 24hr format.

1. Press and hold the

display will ash.

2. Press the is set.

3. Press and release the

the display will ash.

4. Press the digit is set. If the button is held down the digits will change more

quickly.

5. Press the

Tuning Up or Down buttons until the desired hour digit

Tuning Up or Down buttons until the desired minute

Clock/Adjust button to conrm the clock setting.

Clock/Adjust button, the hour digits on the

Clock/Adjust button, the minute digits on

2,4

3,5

Using your system for the rst time

1. Fully extend the telescopic aerial.

2. Press the

3. If this is the rst time the sound system is used the display will show

"CD" and will enter CD mode. If the sound system has been used before the last used mode will be selected.

On/Off button to switch on your radio.

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

020 8758 0338 (Mon-Fri)

Selecting the MP-23 modes

To select DAB

1. Press and release the Radio button until "DAB" shows on the display and the unit will enter the DAB mode. See page 10.

To select CD

1. Press and release the CD button until "CD" shows on the display and the unit will enter the CD mode. See page 29.

To select FM/MW

1. Press and release the Radio button until "FM Tuner" or "AM Tuner" shows on the display and the unit will enter the FM or the MW mode. See page 20, 23.

To select SD card/USB

1. Press and release the SD/USB button until "SD Card" or "USB" shows on the display and the unit will enter either the SD card or USB mode.

See page 36.

To select Auxiliary

1. Press and release the Radio button until "Aux" shows on the display and the unit will enter Auxiliary mode. See page 47.

Operating your radio - DAB

1. Fully extend the telescopic aerial.

2. If your sound system is in standby mode, press the switch on your radio.

3. Repeatedly press and release the on the display. The display will show "Welcome to digital radio" for a few seconds.

4. If this is the rst time the radio is used a quick scan of UK Band III DAB

channels will be carried out. The display will show "Searching". If the radio has been used before the last used station will be selected.

5. During autotune new stations are detected and will be added to the list.

6. When the Auto tune is complete the rst station (in numeric-alpha

order 0...9...A....Z) will be selected.

7. If the station list is still empty after the Autotune your radio will display "No Stations available".

8. If no signals are found it may be necessary to relocate your radio to a position giving better reception.

Radio button until "DAB" shows

On/Off button to

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

020 8758 0338 (Mon-Fri)

Selecting a station - DAB

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

2. Press the available stations. Stop pressing the Tuning buttons when you nd the station that you wish to hear.

3. Press and release the

display may show "Tuning" while your radio nds the new station.

4. Adj ust the settings.

Note: If after selecting a station the display continues to show "Station

not available" it may be necessary to relocate your radio to a position giving better reception.

Up or Down Tuning buttons to scroll through the list of

Ok/Select button to select the station. The

Volu me and 3D S ound switch to the required

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 press the Tuning Up button.

2. Press and release the

Ok/Select button to select the station.

Display modes - DAB

Your radio has seven 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. Time and date Displays current time and date.

e. Channel & frequency Displays channel number and frequency.

f. Bit rate/audio type Displays the digital bit rate and audio

type.

g. Signal error Displays signal error for station being

listened to.

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

020 8758 0338 (Mon-Fri)

Finding new stations - DAB

As time passes new stations may become available. To nd new stations

proceed as follows:-

1. Press and release the

ning". 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 "Scanning". 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.

AutoTune button, the display will show "Scan-

Manual Tuning - DAB

Manual tuning allows you to tune directly to the various DAB Band III

channels. UK DAB stations are located in the range 11B to 12D.

1. Press and release the order".

Setup button until the display shows "Station

2. Press the on the display. Press and release the Ok/Select button.

3. Press the channel.

4. Press and release the

5. Any new stations that are found are automatically added to the stored list of stations.

6. Press and release the mode.

Tuning Up or Down buttons until "Manual tune" appears

Tuning Up or Down buttons to select the required DAB

Ok/Select button to select the channel.

Ok/Select button to return to normal tuning

Signal strength display - DAB

1. Press and release the Ok/Select button the lower line of the display shows signal strength. 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.

2. The clear unlled rectangle indicates minimum signal level required

for satisfactory reception. Press and release the Ok/Select button to return to normal tuning mode.

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

020 8758 0338 (Mon-Fri)

2,3

2,4,6

1,2

Using your radio's Pauseplus feature

How many times has your favourite radio station been interrupted by

that phone call from a double glazing 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 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 between 5 and 15 minutes

depending on the station you are listening to.

No t e t h e fe a t u r e o n ly operat e s o n t h e D A B

waveband.

1. To place your radio in

button, the sound from the loudspeaker will be muted. The display

will show the "Pause symbol" and the time that you are delayed by.

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.

3. To return to real time press in and release the will return to normal radio display.

mode simply press the

Stop button, the display

Pauseplus Rewind and fastforward - DAB

1. Press the button and press and hold the Tuning Up/Fastforward or Tuning Down/rewind buttons to scroll to the item you

wish to listen.

2. When using your radio's automatically switches to show the time that you are delayed.

feature the top line of display

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

020 8758 0338 (Mon-Fri)

Station order setup - DAB only

Your radio has 3 station order settings from which you can choose. The station order settings are, favourite station, alphanumeric and active station.

Note: Your radio default station order is alphanumeric.

1. Press and release the the display. Press the Ok/Select button to enter setup.

Setup button until "Station order" appears on

2. Press the station, alphanumeric and active station.

Tuning Up or Down buttons to choose between favourite

Favourite stations

When this setting is switched on, after a period of time the most listened

to stations will move to the top of the station list and will be marked with

the heart symbol .

Alphanumeric

Press the Tuning Up and Down buttons until "Alphanumeric" appears on the display. Your radio will now select stations in alphanumeric order

A....Z 0....9.

Active station

Press the Tuning Up or Down buttons until "Active station" appears on the display. The display will show only those that a signal can be found.

3. Press and release the setting required.

Ok/Select button to select the station order

Prune stations - DAB only

Some DAB services may stop broadcasting or you may not be able to receive a station. Prune stations will delete the DAB stations from your station list that can no longer be received.

1. Press and release the the display. Press and release the Ok/Select button.

2. Press the on the display.

3. Press and release the

Tuning Up or Down buttons until "Prune stations" appears

Setup button until "Station order" appears on

Ok/Select button to select.

Software version - DAB only

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

1. To view the software version your radio has, press and release the Setup button until "Station order" appears on display.

2. Press the on the display. The software version will appear on the display.

Tuning Up or Down buttons until "Software version" appears

1,3

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

020 8758 0338 (Mon-Fri)

Dynamic Range Control (DRC) settings - DAB only

DRC can make quieter sounds easier to hear when your radio is used in

a noisy environment. This function is only for the DAB waveband.

1. Press the

2. Press and release the the display.

3. Press and release the shows "DRC value".

4. Press and release the

5. Press and release the DRC setting (default is 0) .

DRC 0 DRC is switched off, Broadcast DRC will be ignored.

DRC 1/2 DRC level is set to 1/2 that sent by broadcaster.

DRC 1 DRC is set as sent by broadcaster.

6. Press and release the display will return to radio mode.

On/Off button to switch on your radio.

Setup button until "Station order" appears on

Tuning Up and Down buttons until the display

Ok/Select button to enter adjustment mode.

Tuning Up or Down buttons to select required

Ok/Select button to conrm the setting. The

2,4

3,53,5

4,6

Operating your radio - Search tuning FM

1. Fully extend the telescopic aerial.

2. Press the

3. Press and release the

4. Press and hold the upwards direction (low frequency to high frequency) and stop auto-

matically when it nds a station of sufcient strength.

5. After a few seconds the display will update. If the FM band is selected the display will show the station name if available.

6. To nd other stations press and hold the

fore.

7. To scan the FM band in a downwards direction (high frequency to low frequency) press and hold down the Tuning Down 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. Adj ust the settings.

10. To switch off your radio press the

On/Off button to switch on your radio.

Radio button until the FM band is selected.

Tuning Up button, your radio will scan in an

Tuning Up button as be-

Volu me and 3D Sound switch to the r equired

On/Off button.

4,6

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

020 8758 0338 (Mon-Fri)

Automatic programme type search - FM

Your radio can automatically search for a programme type such as news, sport etc and will tune in to a station transmitting this information.

1. Fully extend the telescopic aerial.

2. Press the

On/Off button to switch on your radio.

3. Press and release the

4. Press and release the

programme type mode the rst programme type available will show

on display.

5. Press and release the type shows on the display.

6. To begin the programme type search press and hold down either the Tuning Up or Down buttons for 0.5 seconds. The radio will scan the

FM band until it nds a station transmitting your required programme

type.

7. If a programme of the specied type is not found the radio will tune

to the previously selected station and will show "NO MATCH".

8. To switch off your radio press the

Radio button to select the FM band.

Auto tune button, the radio will enter the

Autotune button until the required programme

On/Off button.

4,5

Display modes - FM RDS

Your system has ve display modes in FM. The Radio Data System (RDS)

is a system in which inaudible digital information in addition to the normal FM radio programme is transmitted.

On FM the bottom line of the display can be set to any of the following modes.

1. Press the

a. Station Name Displays the station name currently being

transmitted

b. Programme Type Displays type of station being listened to

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

c. Radio Text Displays radio text messages such as

news items etc.

d. Time and date Displays current time and date.

e. Frequency Displays frequency of the station being

listened to.

Info button to cycle through the various modes.

Note: When tuned to the FM band, information display is only available when the radio is able to receive RDS information from the broadcaster.

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 Ok/Select button until the display shows "Mono". Your radio will switch to mono mode.

2. To return to stereo mode press and hold in the button until the display shows "Stereo". Your radio will switch to stereo mode.

Note: FM stereo is only available when listening via earphone/head

phones

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

020 8758 0338 (Mon-Fri)

Ok/Select

1,2

Operating your radio - Search tuning MW

1. For MW there is a built in ferrite aerial. Rotate your radio for best reception.

2. Press the

3. Press and release the will show the AM Tuner.

On/Off button to switch on your radio.

Radio button to select MW band. The display

4. Press and immediately release the scan in an upwards direction (low frequency to high frequency) and

stop automatically when it nds a station of sufcient strength.

5. After a few seconds the display will update.

6. To nd other stations press and release the

before.

7. To scan the MW band in a downwards direction (high frequency to low frequency) press and hold down the Tuning Down 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. Adj ust the settings.

10. To switch off your radio press the

Volu me and 3D Sound switch to the r equired

Tuning Up button, your radio will

Tuning Up button as

On/Off button.

4,6

Manual tuning - FM and MW

1. Press the On/Off button to switch on your radio.

2. Press and release the Fully extend the Telescopic aerial for FM reception. For MW reception there is a built in ferrite aerial. Rotate your radio to the position giving best reception.

Radio button to select the FM or MW band.

3. Press the

frequency will change in steps of 50kHz on FM. On MW the frequency will change in steps of 9 kHz.

4. When the waveband end is reached the radio will recommence tuning from the opposite waveband end.

5. Set the

6. To switch off your radio press the

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

020 8758 0338 (Mon-Fri)

Tuning Up and Down buttons to tune to a station. The

Volume and 3D Sound switch to the desired settings.

On/Off button.

Presetting stations

There are 10 memory presets on each of the DAB, MW and FM wavebands.

1. Press the

2. Tune to the required station as previously described.

On/Off button to switch on your radio.

3. Press and hold down the required 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

Preset button (1 to 10) until the

Recalling a preset station

1. Press the On/Off button to switch on your radio.

2. Select the required waveband by pressing the

3. Momentarily press the required tune to the station stored in preset memory.

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

button is pressed "Empty preset" will be displayed.

Preset button (1-10), your radio will

Radio button.

Equalizer function

The tone on your sound system can be adjusted to suit the particular broadcast listened to. Your radio has six equalizer modes:-

1. Press the Equalizer button to cycle through the various modes.

a. Flat

b. Jazz .

c. Rock

d. Classic

e. Pop

f. News

Mute function

Pressing the Mute button will mute the output from the loudspeakers.

1. Press the

2. Press Mute again to return to normal play mode.

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

020 8758 0338 (Mon-Fri)

Mute button to mute sound output.

Sleep function

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

sleep setting can be adjusted between 10 and 90 minutes in 10 minute increments.

1. To set the desired sleep time, press the sleep setup. "Sleep" will appear on the display.

2. Repeatedly press and release the sleep time 90>80>70>60>50>40>30>20>10 minutes or to OFF to premanently cancel the sleep function.

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

4. To cancel the sleep function before the preset time has elapsed, press the On/Off button.

Sleep button to enter the

Sleep button to select the desired

Compact discs

Use only Digital Audio CDs which have the symbol.

Never write on a CD or attach any sticker to the CD. Always hold the CD

at the edge and store it in its box after use with the label facing up.

To remove dust and dirt, breathe on the CD and wipe it with a soft, lint free cloth in a straight line from the centre towards the edge.

Cleaning agents may damage the CD.

Do not expose the CD to rain, moisture, sand or to excessive heat. (e.g

from heating equipment or in motor cars parked in the sun).

CD-R/CD-RW discs

Your MP-23 can playback CD-DA format audio CD-R/CD-RW discs that have been nalised* upon completion of recording.

Your MP-23 may fail to playback some CD-R/CD-RW discs due to poor

recording and wide variation in quality of the CD-R/CD-RW disc.

*Finalising enables a CD-R/CD-RW disc to playback on audio players

such as your MP-23.

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

020 8758 0338 (Mon-Fri)

Inserting a CD

When your Sound System is in the standby mode inserting a CD will switch the unit on.

Ensure the cd tray is empty before inserting a CD. If you cannot insert a CD, press the Cd/Eject button to ensure the unit is empty.

1. To select the CD mode press the

2. To eject or load a CD press and release the

3. To insert an audio CD, place printed side facing up into the cd compart

ment. The CD will be automatically loaded. The unit will check the CD type and load its track list. The display will show "loading" and then

"reading" as the information is read.

4. If you load a CD with MP3 tracks your sound system will enter the

MP3 mode see page 32.

CD button.

CD Eject button.

Playing a CD

1. Press the Play/Pause button to start playback. The display will show the rst track number.

2. Adjust the

3. To pause playback press the

press the Play/Pause button again.

Volume and 3D Sound switch to the required settings.

Play/Pause button. To resume playback

1,3

4. To stop play, press the Stop button. The total number of CD tracks will be displayed.

5. To take out the CD, press and release the

display will show "No Disc".

CD Eject button. The

Selecting a track

1. Whilst the CD is playing, press either the Fastforward or Rewind buttons to change to the desired track, the track number appears in

the display.

2. You can also skip tracks when the player is in stop mode. Skip to the desired track using the Fastforward or Rewind buttons. Press and hold the button to make the track numbers cycle, release the button when the desired track is displayed.

3. Press the

Play/Pause button to play the selected track.

Select a desired track

1. For track numbers 1-9 simply press the corresponding digit button.

2. For track numbers ten and above press the

ton then press the required digits.

3. If the track number entered exceeds the number of tracks on the CD, then no track will be played.

direct track access but-

1,2

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

020 8758 0338 (Mon-Fri)

Search function

1. Whilst the CD is playing, press and hold the Fastforward or Rewind buttons.

2. Release the button when the desired part of the track is reached.

Repeat a single le

1. Whilst the CD is playing, press the Setup button until the single track

symbol appears in the display. The current track will be repeated.

Repeat all tracks

1. Whilst the CD is playing, press the Setup button until the repeat all

tracks symbol appears in the display. All the tracks will be repeated.

Play les in random order

1. Whilst the CD is playing, press the Info button until the random symbol

appears in the display. The tracks will be played in random order.

To stop playing les in random order

1. Whilst the CD is playing, repeatedly press the Info button until the random symbol disappears from the display. The CD will return to normal play.

Intro play feature

The button marked Intro will cause the rst 10 seconds of each CD track to be played. Press and release this button to allow a specic track to be found without manually selecting tracks. When the desired track is reached, press

and release the Intro button again to continue playing the CD normally.

CD time display

The button marked Remain allows different time information to be displayed for the CD or track currently being played. For each press and release of the Remain button will cycle through the following displays, time into current CD track, total time into CD, time remaining on current CD track and total time remaining on CD.

MP3/WMA CD Mode

1. To select the CD mode press the CD button.

The MP-23 is able to play CD-R and CD-RW discs containing MP3 and

WMA les.

In MP3/WMA mode the terms "album" and "le" are very important. "Album" corresponds to a folder on a PC, "File " to a PC or a CD -DA track. The device reads MP3 les with a maximum of 255 les per album. An MP3 CD may not contain more than 512 les or albums in total. MP3 and WMA les must be created with an audio sample rate of 44.1kHz (this is normal for les created from CD audio content).

When burning CD-R and CD-RWs with audio les, various problems may arise which could lead to interference in playback. This can be caused

by faulty software or hardware settings or by the CD being used. Should such problems arise, contact the customer services of your CD burner or

software manufacturer or look for relevant information, for example on the internet. When you are making audio CDs, observe all legal guidelines

and ensure that the copyright of third parties is not infringed.

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

020 8758 0338 (Mon-Fri)

Playing an MP3/WMA CD

1. Press the Play/Pause button to start playback. The display will show the rst track number.

2. Adjust the

Volume and 3D Sound switch to the required settings.

1,3

3. To pause playback press the

press the Play/Pause button again.

4. To stop play, press the will be displayed.

5. To take out the CD, press and release the

display will show "OPEN".

Play/Pause button. To resume playback

Stop button. The total number of CD tracks

CD Eject button. The

Selecting a track

1. Whilst the CD is playing, press either the Fastforward or Rewind buttons to change to the desired track, the track number appears in

the display.

3. Press the

Play/Pause button to play the selected track.

1,2

Select a desired track

1. For track numbers 1-9 simply press the corresponding digit button.

2. For track numbers ten and above press the

ton then press the required digits.

3. If the track number entered exceeds the number of tracks on the CD, then no track will be played.

direct track access but-

Search function

1. Whilst the MP3 CD is playing, press and hold the Fastforward or Rewind buttons.

2. Release the button when the desired part of the track is reached.

To skip to the next folder

1. Whilst the MP3 CD is in stop or play mode, press and release the

Folder button.

1,2

2. The rst le of the next folder will be played.

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

020 8758 0338 (Mon-Fri)

Repeat a single MP3 le

1. Whilst the MP3 CD is playing, press the Setup button until the

single track symbol appears in the display. The current track will be

repeated.

Repeat all MP3 tracks

1. Whilst the MP3 CD is playing, press the Setup button until the repeat all

tracks symbol appears in the display. All the tracks will be repeated.

Repeat all MP3 tracks in a single album

1. Whilst the MP3 CD is playing, press the Setup button until the repeat

all tracks in a single album symbol appears in the display. All the tracks

within that album will be repeated.

Play les in random order

1. Whilst the MP3 CD is playing, press the Info button until the random

symbol appears in the display. The tracks will be played in random

order.

To stop playing les in random order

1. Whilst the MP3 CD is playing, repeatedly press the Info button until the random symbol disappears from the display. The MP3 CD will return to normal play.

Using SD cards or USB memory devices

Secure Digital (SD) cards or USB memory devices can be used with the MP-23 for playback of MP3 or WMA les.

Many different brands and capacities of SD card are available. Your MP-

23 has been tested with the most popular cards and USB device up to 1

GB. However, there are many different card variants available and not all

cards can be guaranteed to work in the MP-23.

SD card and USB slots are located behind the panel beneath the volume

control. This is opened by pushing and releasing the right hand top cor-

ner of the panel. To close the panel, press in the panel door until it clicks

into place.

Do not attempt to open or close the panel door using the left hand edge as this may distort or damage the panel.

Inserting and removing a card

To insert an SD card into your radio push the card label side forward and

gold contacts rst into the SD card slot on the front of your radio until it clicks.

To remove the card push the card in slightly and it will pop out allowing removal.

USB memory devices plug into the rectangular slot on the right hand side,

under the panel.

1. To select SD card or USB mode press the

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

020 8758 0338 (Mon-Fri)

SD/USB button.

Playing MP3/WMA les - SD card/USB

1. Press the Play/Pause button to start playback. The display will show the rst track number.

2. Adjust the

Volume and 3D Sound switch to the required settings.

1,3

3. To pause playback press the

press the Play/Pause button again.

4. To stop play, press the will be displayed.

Note: The SD card/USB memory device should only be removed when

the unit is in stop mode.

You may nd that although you have added les to either an SD card

or a USB memory device, the MP-23 is unable to identify the les

and may report "No data". In this event, we recommend that the card or memory should be reformatted in your computer. Before doing this,

you should copy all les and folders on the card to your computer for

temporary storage. After the format process is completed, then you

should copy the les back again. If the MP-23 is still unable to read the les, then it is likely that your SD or USB memory device is not

completely compatible in some way.

Play/Pause button. To resume playback

Stop button. The total number of MP3 tracks

Selecting a track

1. Whilst the MP3/WMA le is playing, press either the Fastforward or Rewind buttons to change to the desired track, the track number

appears in the display.

1,2

3. Press the

Play/Pause button to play the selected track.

Select a desired track

1. For track numbers 1-9 simply press the corresponding digit button.

2. For track numbers ten and above press the

ton then press the required digits.

3. If the track number entered exceeds the number of tracks on the CD, then no track will be played.

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

020 8758 0338 (Mon-Fri)

direct track access but-

1,2

Search function

1. Whilst the MP3/WMA le is playing, press and hold the Fastforward or Rewind buttons.

2. Release the button when the desired part of the track is reached.

To skip to the next folder

1. Whilst the unit is in stop mode, press and release the Folder button.

2. The rst le of the next folder will be played.

Repeat all MP3/WMA tracks in a single album

1. Whilst the MP3/WMA le is playing, press the Setup button until the repeat all tracks in a single album symbol appears in the display. All the tracks within that album will be repeated.

Play les in random order

1. Whilst the MP3/WMA le is playing, press the Info button until the random symbol appears in the display. The tracks will be played in

random order.

To stop playing les in random order

1. Whilst the MP3/WMA le is playing, repeatedly press the Info button until the random symbol disappears from the display. The unit will return to normal play.

SD card/USB memory device Intro play

1. Whilst the unit is in stop mode, press the Autotune/Intro button once

to play the rst 10 seconds of all the tracks on the SD card/memory

device.

2. Press the

Stop button to interrupt Intro play.

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

020 8758 0338 (Mon-Fri)

Alarm

Your sound system has an alarm which can be set to wake you to CD, USB, SD card, FM radio, MW radio, DAB or Auxiliary in.

1. Press and release the

display. Ensure that the clock time is set see page 7.

2. Press and release the on the display and "On" will be displayed next to the alarm symbol.

3. Press and release the

digits. The alarm hour digits will ash.

4. Press the

5. Press and release the

digits. The alarm minute digits will ash.

6. Press the

Tuning Up or Down to select the required alarm hour.

Tuning Up or Down to select the required alarm minute.

Clock button the clock time will show on the

Clock button again the alarm digits will show

Clock/Adjust button to adjust the alarm hour

Clock/Adjust button to adjust the alarm minute

4,6

1,2

3,5

4,6

7. Press and release the Clock button the alarm off time digits will show on the display and "OFF" will be displayed next to the alarm symbol.

8. Press and release the

hour digits. The alarm hour digits will ash.

9. Press the hour.

10. Press and release the

minute digits. The alarm minute digits will ash.

11. Press the minute.

12. Press and release the

will show on the display and "SOURCE" will be displayed next to the

alarm symbol.

13. Press and release the mode.

14. Press the mode.

Tuning Up or Down buttons to select the required alarm

Clock/Adjust button to adjust the alarm off

Clock button the previous alarm mode set

Clock/Adjust button to adjust the alarm

9,11

8,10

9,11

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

020 8758 0338 (Mon-Fri)

14. Your alarm can be set to the following modes:

CD - Will wake you from favourite CD

USB - Will wake you from USB memory device

SD Card - Will wake you from SD card

FM Tuner - Will wake you from FM radio station

AM Tuner - Will wake you from MW radio station

DAB - Will wake you from DAB radio station

Aux - Will wake you from your MP3 player

14. Press the mode until the alarm sounds. The alarm symbol will appear in the

display. If the alarm has been enabled. To enable the alarm if needed press and release the alarm button. (see page 44)

The alarm will sound at the selected alarm time.

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

ting up the alarms.

On/Off button again and the radio will remain in standby

Note: The alarm will not sound if the alarm has not been activated

and set to the "Enabled" position. See page 44.

When the alarm is set to wake by radio your sound system will

switch on to the last used station.

Switching alarm on or off

1. To turn the alarm On (ENABLED) or Off (CANCEL) press and release the Alarm button.

2. The alarm symbol will appear when the alarm has been enabled.

Cancelling alarms

Note: The alarm will activate for the specied alarm duration (maximum

24 hours).

1. Press the

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

On/Off button to switch the alarm off.

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

020 8758 0338 (Mon-Fri)

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. Ensure that your radio is in DAB mode.

2. Press and hold in the

SELECT to conrm reset...".

3. Press in and release the 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.

After a system reset, any DAB preset settings will have been

cancelled.

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.

Setup button until the display shows "Press

Ok/Select button to select System

Clock display

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

3D sound switch

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

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

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

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

020 8758 0338 (Mon-Fri)

Aux in socket (3.5mm Jack)

1. Repeatedly press and release the Radio button until "Aux" is dis-

played.

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

to the Aux in socket.

3. Adjust the fortable listening.

Volume control on your iPod, MP3 or CD player for com-

Line Out socket (3.5mm Jack)

A 3.5mm Line Out socket located on the rear of your radio is provided

for connecting the audio signal to an external amplier. Inserting an audio

cable into this socket will not mute the internal loudspeaker. Set the volume

control to minimum if desired.

Headphone and optical output sockets

1. A 3.5mm Headphone Socket located on the rear of your radio is provided for use with headphones. 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 amplier, mini-disc or other equipment with a digital

optical input.

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

020 8758 0338 (Mon-Fri)

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 and MW band.

Specications

Power Requirements

Mains AC 230 volts, 50Hz

Battery (Remote control) CR2025

Frequency Coverage

FM 87.5-108MHz

DAB 174.928 - 239.200MHz

MW 522 -1620kHz

The Company reserves the right to amend the specication without notice.

only

Circuit features

Loudspeaker 2 x 75 mm

Output Power 8 Watts RMS per channel

Headphone socket 3.5mm dia

Auxiliary in socket 3.5mm dia

Line Out socket 3.5mm dia

Digital optical output socket Toslink

Aerial System FM Telescopic aerial

DAB Telescopic aerial

MW Built in ferrite aerial

Mains supply

The MP23 will operate from a supply of AC 230 volts, 50Hz only.

DO NOT cut off the mains plug from this equipment. If the plug 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 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

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.

Fuse

When replacing the fuse only a 3A ASTA approved to BS1362 type should

be used and be sure to re-t the fuse cover.

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

020 8758 0338 (Mon-Fri)

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.

Notes

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

020 8758 0338 (Mon-Fri)

Notes

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 ef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.

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

020 8758 0338 (Mon-Fri)

Issue 1

ROBERTS RADIO TECHNICAL SERVICES

97-99 Worton Road

Isleworth Middlesex

TW7 6EG

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

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

Roberts Radio MP-23 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual