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 FM Stereo/Mono.................................................................22 Controls............................................................................ 3-5 Operating your radio - Search tuning MW..........................23 Remote handset battery replacement..................................6 Manual tuning - FM and MW..............................................24 Mains operation....................
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 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 amplifier.
Controls (Front) 2 4 3 5 1 7 1. Infra red sensor 5. CD Eject button 2. Loudspeakers 6. SD card door 3. LCD display 7. On/Off/Volume control 4.
Controls 8 (Rear) 14 13 12 11 10 8. Telescopic aerial 12. Line Out socket 9. Mains input socket 13. Headphone socket 10. Optical output socket (Toslink) 14. 3D Sound switch 9 11.
Remote control 23 22 1 21 2 20 3 19 18 4 17 13. Stop button 1. Radio button 16 2. Clock/Adjust/Folder 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 14. Direct track access button 15. Equalizer button 3. Alarm button 5 15 14 6 13 7 12 8 11 16. Volume Down button 17. Volume Up button 18. Mute button 19. Sleep button 20. Clock button 21. On/Off button 10. Setup/Repeat button 22.
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.
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 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.
Using your system for the first time 1. Fully extend the telescopic aerial. 2. Press the On/Off button to switch on your radio. 3. If this is the first 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.
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.
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. 2 2 3 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".
Selecting a station - DAB 1. The top line of the display shows the name of the station currently selected. 2 2 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. 3 4. Adjust the Volume and 3D Sound switch to the required settings.
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. 1 a b b. Programme type Displays type of station being listened to e.g. Pop, Classic, News, etc. c c. Multiplex Name Displays name of multiplex to which current station belongs. d d. Time and date Displays current time and date. e e.
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.
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". 1 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. 2,3 2,3 4. Press and release the Ok/Select button to select the channel. 5.
Using your radio's Pauseplus feature How many times has your favourite radio station been interrupted by that phone call from a double glazing firm 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 finished simply press the button to return to your favourite station exactly where you left off so that you never miss a single word.
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. 1 2. When using your radio's feature the top line of display automatically switches to show the time that you are delayed.
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 1 1. Press and release the Setup button until "Station order" appears on the display. Press the Ok/Select button to enter setup. 2. Press the Tuning Up or Down buttons to choose between favourite station, alphanumeric and active station.
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 1. Press and release the Setup button until "Station order" appears on the display. Press and release the Ok/Select button. 2. Press the Tuning Up or Down buttons until "Prune stations" appears on the display. 3. Press and release the Ok/Select button to select.
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 1. Press the On/Off button to switch on your radio. 2. Press and release the Setup button until "Station order" appears on the display. 3. Press and release the Tuning Up and Down buttons until the display shows "DRC value". 2,4 4. Press and release the Ok/Select button to enter adjustment mode. 5.
Operating your radio - Search tuning FM 1. Fully extend the telescopic aerial. 2 2. Press the On/Off button to switch on your radio. 3 2 3. Press and release the Radio button until the FM band is selected. 4. Press and hold the Tuning Up button, your radio will scan in an upwards direction (low frequency to high frequency) and stop automatically when it finds a station of sufficient strength. 5. After a few seconds the display will update.
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. 2 1. Fully extend the telescopic aerial. 3 2 2. Press the On/Off button to switch on your radio. 3. Press and release the Radio button to select the FM band. 4. Press and release the Auto tune button, the radio will enter the programme type mode the first programme type available will show on display. 4,5 5.
Display modes - FM RDS Your system has five 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. a 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. Station Name Displays the station name currently being transmitted b. Programme Type Displays type of station being listened to e.g.
Operating your radio - Search tuning MW 1. For MW there is a built in ferrite aerial. Rotate your radio for best reception. 3 2 2. Press the On/Off button to switch on your radio. 2 3. Press and release the Radio button to select MW band. The display will show the AM Tuner. 4. Press and immediately release the Tuning Up button, your radio will scan in an upwards direction (low frequency to high frequency) and stop automatically when it finds a station of sufficient strength. 4,6 5.
Manual tuning - FM and MW 1. Press the On/Off button to switch on your radio. 3. Press the Tuning Up and Down buttons to tune to a station. The frequency will change in steps of 50kHz on FM. On MW the frequency will change in steps of 9 kHz. 2 1 2. Press and release the Radio button to select the FM or MW band. 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. 3 3 4.
Presetting stations There are 10 memory presets on each of the DAB, MW and FM wavebands. 1 1. Press the On/Off button to switch on your radio. 2. Tune to the required station as previously described. 3. Press and hold down the required Preset button (1 to 10) 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. 3 4.
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 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 Mute button to mute sound output. 1 2. Press Mute again to return to normal play mode.
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 1. To set the desired sleep time, press the Sleep button to enter the sleep setup. "Sleep" will appear on the display. 2. Repeatedly press and release the Sleep button to select the desired sleep time 90>80>70>60>50>40>30>20>10 minutes or to OFF to premanently cancel the sleep function. 2 3.
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.
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 1. To select the CD mode press the CD button. 2. To eject or load a CD press and release the CD Eject button. 2 3. To insert an audio CD, place printed side facing up into the cd compartment. The CD will be automatically loaded.
4. To stop play, press the Stop button. The total number of CD tracks will be displayed. 5 4 5. To take out the CD, press and release the CD Eject button. The display will show "No Disc". 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.
Search function 1. Whilst the CD is playing, press and hold the Fastforward or Rewind buttons. 1 2. Release the button when the desired part of the track is reached. Repeat a single file 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. 1 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.
Intro play feature The button marked Intro will cause the first 10 seconds of each CD track to be played. Press and release this button to allow a specific 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.
Playing an MP3/WMA CD 1. Press the Play/Pause button to start playback. The display will show the first track number. 1,3 2. Adjust the Volume and 3D Sound switch to the required settings. 3. To pause playback press the Play/Pause button. To resume playback press the Play/Pause button again. 2 4. To stop play, press the Stop button. The total number of CD tracks will be displayed. 2 2 5. To take out the CD, press and release the CD Eject button. The display will show "OPEN".
Select a desired track 1. For track numbers 1-9 simply press the corresponding digit button. 2 2. For track numbers ten and above press the direct track access button 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. 1,2 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. 1 1 To skip to the next folder 1.
Repeat a single MP3 file 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. 1 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. 1 Repeat all MP3 tracks in a single album 1.
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 files. Many different brands and capacities of SD card are available. Your MP23 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.
Playing MP3/WMA files - SD card/USB 1. Press the Play/Pause button to start playback. The display will show the first track number. 1,3 2. Adjust the Volume and 3D Sound switch to the required settings. 3. To pause playback press the Play/Pause button. To resume playback press the Play/Pause button again. 4. To stop play, press the Stop button. The total number of MP3 tracks will be displayed. 2 2 Note: The SD card/USB memory device should only be removed when the unit is in stop mode.
Selecting a track 1. Whilst the MP3/WMA file is playing, press either the Fastforward or Rewind buttons to change to the desired track, the track number appears in the display. 1,2 1,2 3 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.
Search function 1. Whilst the MP3/WMA file is playing, press and hold the Fastforward or Rewind buttons. 2. Release the button when the desired part of the track is reached. 1 To skip to the next folder 1. Whilst the unit is in stop mode, press and release the Folder button. 2. The first file of the next folder will be played.
Repeat all MP3/WMA tracks in a single album 1. Whilst the MP3/WMA file 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. 1 Play files in random order 1. Whilst the MP3/WMA file is playing, press the Info button until the random symbol appears in the display. The tracks will be played in random order. 1 To stop playing files in random order 1.
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 Clock button the clock time will show on the display. Ensure that the clock time is set see page 7. 1,2 2. Press and release the Clock button again the alarm digits will show on the display and "On" will be displayed next to the alarm symbol. 3. Press and release the Clock/Adjust button to adjust the alarm hour digits. The alarm hour digits will flash. 4.
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. 7 8. Press and release the Clock/Adjust button to adjust the alarm off hour digits. The alarm hour digits will flash. 9. Press the Tuning Up or Down buttons to select the required alarm hour. 10. Press and release the Clock/Adjust button to adjust the alarm off minute digits. The alarm minute digits will flash. 8,10 11.
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 On/Off button again and the radio will remain in standby mode until the alarm sounds.
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. 1 Cancelling alarms Note: The alarm will activate for the specified alarm duration (maximum 24 hours). 1. Press the On/Off button to switch the alarm off. 2. Enter the alarm setup menu and select the alarm mode to the "CANCEL" position.
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. 1 2. Press and hold in the Setup button until the display shows "Press SELECT to confirm reset...". 3. Press in and release the Ok/Select button to select System reset. 4.
Clock display 1. Your radio will display clock time when it is set to Standby mode. 1 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.
Aux in socket (3.5mm Jack) 1. Repeatedly press and release the Radio button until "Aux" is displayed. 2. Connect a stereo or mono audio source (ie iPod, MP3 or CD player) to the Aux in socket. 3. Adjust the Volume control on your iPod, MP3 or CD player for comfortable listening. 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 amplifier.
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 amplifier, mini-disc or other equipment with a digital optical input.
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.
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 fitted 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. The wire coloured BLUE must be connected to the terminal marked N or coloured BLACK.
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Notes If you need any further advice, please call our Technical Helpline on :020 8758 0338 (Mon-Fri) 52
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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.
ROBERTS RADIO TECHNICAL SERVICES 97-99 Worton Road Isleworth Middlesex TW7 6EG Technical Helpline :- 020 8758 0338 (Mon-Fri during office hours) Website: http://www.robertsradio.co.
