Roberts Radio MP-23 User Manual

Sound for Generations

ROBERTS

MP-23

CD/AM/FM RDS/DAB digital sound system with MP3/WMA/SD/USB and remote control

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 first 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
Specifications.....................................................................	49
Mains supply......................................................................	50
Notes............................................................................	51-53
Guarantee..........................................................................	54

1

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.

CD

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

CD-MP3/WMA

The MP-23 plays MP3 and WMA files which have been recorded to CDR or CDRW.

SD slot and USB socket

The MP-23 plays MP3 and WMA files from SD cards or USB memory devices.

Auxiliary input

The MP-23 can be used as an amplifier and loudspeaker system for external MP3 players, mini disc players and similar devices.

Headphone output

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

Digital output

An optical output is provided for connection to AV receivers, minidisc 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 amplifier.

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.

	If you need any further advice, please call our Technical Helpline on :-	2
	020 8758 0338 (Mon-Fri)

Controls
(Front)
2	3	4	5	2

1

		7	6
1.	Infra red sensor	5.	CD Eject button
2.	Loudspeakers	6.	SD card door
3.	LCD display	7.	On/Off/Volume control
4.	CD slot

3

Controls

8

(Rear)

		14									13 12					11		10		9
8.		Telescopic aerial														12.		Line Out socket
9.		Mains input socket														13.		Headphone socket
10.		Optical output socket (Toslink)														14.		3D Sound switch
11.		Auxiliary in socket

	If you need any further advice, please call our Technical Helpline on :-	4
	020 8758 0338 (Mon-Fri)

Remote control

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

23 22

1	21
2	20
3	19
	18
4	17
	16
5	15
	14
6	13
7	12
8	11

9

10

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

5

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 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.

4.The clock digits on the display will flash.

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 :-	6
	020 8758 0338 (Mon-Fri)

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 Clock/Adjust button, the hour digits on the display will flash.

2.Press the Tuning Up or Down buttons until the desired hour digit is set.

3.Press and release the Clock/Adjust button, the minute digits on the display will flash.

4.Press the Tuning Up or Down buttons until the desired minute digit is set. If the button is held down the digits will change more quickly.

5.Press the Clock/Adjust button to confirm the clock setting.

1

2,4 2,4

3,5

7

Using your system for the first time

1. Fully extend the telescopic aerial.

2.	Press the On/Off button to switch on your radio.	2
3.	If this is the first time the sound system is used the display will show	2
	"CD" and will enter CD mode. If the sound system has been used

before the last used mode will be selected.

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

8

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"SDCard"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.

9

Operating your radio - DAB

1.Fully extend the telescopic aerial.

2.If your sound system is in standby mode, press the On/Off button to switch on your radio.

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

4.If this is the first time the radio is used a quick scan of UK Band III DAB channels will be carried out. The display will show "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 first 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.

2

2

3

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

10

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

3.Press and release the Ok/Select button to select the station. The display may show "Tuning" while your radio finds 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 "Station not available" it may be necessary to relocate your radio to a position giving better reception.

2 2

3
4	4
4	4

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.

2

11

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

a

1

as artist/track name, phone in number,

etc.

b. Programme type

Displays type of station being listened to

b

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

c. Multiplex Name

Displays name of multiplex to which

c

current station belongs.

d

d. Time and date

Displays current time and date.

e

e. Channel & frequency

Displays channel number and frequency.

f

f. Bit rate/audio type

Displays the digital bit rate and audio

type.

g

g. Signal error

Displays signal error for station being

listened to.

	If you need any further advice, please call our Technical Helpline on :-	12
	020 8758 0338 (Mon-Fri)

Finding new stations - DAB

As time passes new stations may become available. To find new stations
proceed as follows:-	1

1.Press and release the AutoTune button, the display will show "Scanning". 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	2
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.

13

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 Setup button until the display shows "Station order".

2.Press the Tuning Up or Down buttons until "Manual tune" appears on the display. Press and release the Ok/Select button.

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

4.Press and release the Ok/Select button to select the channel.

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

6.Press and release the Ok/Select button to return to normal tuning mode.

1

2,3 2,3

2,4,6

Signal strength display - DAB

1. Press and release the Ok/Select button the lower line of the display	1,2
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 unfilled 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 :-	14
	020 8758 0338 (Mon-Fri)

Using your radio's Pauseplus feature

How many times has your favourite radio station been interrupted by thatphonecallfromadoubleglazingfirmorsomeonesellingthatmust 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 finished 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.

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 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 Stop button, the display will return to normal radio display.

1

2

3

15

Pauseplus Rewind and fastforward - DAB

1.	Press the	button and press and hold the Tuning Up/Fast-
	forward or Tuning Down/rewind buttons to scroll to the item you
	wish to listen.		1
2.	When using your radio's		feature the top line of display

automatically switches to show the time that you are delayed.

1 1

	If you need any further advice, please call our Technical Helpline on :-	16
	020 8758 0338 (Mon-Fri)