Musical Fidelity CD Player CD Pre24 User Manual

CD Pre24  
COMBINATION CD PLAYER AND  
DIGITAL / ANALOGUE PRE-AMPLIFIER  
PLAY/PAUSE  
NEXT  
LINE  
1
LINE  
2
LINE  
3
PREVIO US  
STO P  
DIG ITAL 1  
DIG ITAL 2  
CD  
LANGUAGE  
O PEN/CLO SE  
DIG ITAL  
MONITO R  
TAPE  
MONITO R  
POWER  
INSTRUCTIONS FOR USE  
Thank you for purchasing the Musical Fidelity CD Pre24.  
Used properly and carefully, it should give many years of outstanding  
musical reproduction.  
The CD Pre24 uses the latest 24 Bit DAC technology and jitter reduction  
techniques to achieve both an excellent technical specification and  
unparalleled sound quality.  
Æsthetically, the CD Pre24 is a perfect match for the  
A3.2 FM tuner and A3.2 amplifier.  
Together these components form one of the finest hi-fi systems available.  
Dust regularly with a soft duster or soft brush but be careful when using  
cleaning or polishing agents - they may harm the surface finish.  
If you have any questions about your audio system,  
please consult your dealer who is there to help and advise.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 1 of 19  
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SAFETY INFORMATION  
IMPORTANT! (U.K. only)  
This unit is supplied in the U.K. with a mains lead fitted with a moulded 13 amp plug.  
If, for any reason, you need to cut off the plug, please remove the fuse holder and dispose of  
the plug safely, out of reach of children. It must not be plugged into a mains outlet.  
The wires in the mains lead supplied with this appliance are coloured in accordance  
with the following code:  
Green and yellow..............Earth  
Blue................................Neutral  
Brown................................Live  
WARNING - This appliance must be earthed  
As the colours of the wires of the mains lead of this appliance may not correspond with the  
coloured markings identifying the terminals in your plug, proceed as follows:  
The wire which is coloured green-and-yellow must be connected to the terminal in the plug  
which is marked with the letter E or coloured green or green-and-yellow, or by the earth  
symbol:  
The wire which is coloured brown must be connected to the terminal which is marked with the  
letter L or coloured red.  
The wire which is coloured blue must be connected to the terminal which is marked with the  
letter N or coloured black.  
If connecting to a BS1363 plug, a 13 amp fuse must be used.  
WARNING:  
ANY MODIFICATIONS TO THIS PRODUCT NOT EXPRESSLY  
APPROVED BY MUSICAL FIDELITY WHO IS THE PARTY  
RESPONSIBLE FOR STANDARDS COMPLIANCE COULD VOID  
THE USER'S AUTHORITY TO OPERATE THIS EQUIPMENT.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 3 of 19  
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WARNINGS  
CLASS 1 LASER PRODUCT  
This CD player has been designed and manufactured according to FDA regulations "title 21,  
CFR, chapter 1, subchapter J, based on the Radiation Control for Health and Safety Act of  
1968", and is classified as a Class 1 laser product. There is no hazardous radiation during nor-  
mal use because invisible radiation emitted inside this product is completely confined within  
the protective housing. However you must observe the following important warnings:  
CAUTION !  
THIS CD PLAYER USES INVISIBLE LASER LIGHT. WHEN THE PLAYER  
OPERATES, LASER LIGHT IS RADIATED INTERNALLY.  
DO NOT REMOVE THE PROTECTIVE HOUSINGS.  
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES  
OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS  
RADIATION EXPOSURE CAUSING EYE INJURY.  
IF THIS PRODUCT DEVELOPS A FAULT, PLEASE CONTACT YOUR AUTHORISED  
MUSICAL FIDELITY SERVICE AGENT. DO NOT ATTEMPT TO SERVICE IT YOUR-  
SELF AND DO NOT CONTINUE TO USE THIS PRODUCT IN A FAULTY STATE.  
WARNING AND INFORMATION LABELS:  
THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR,  
CHAPTER 1, SUBCHAPTER J, PART 1040 AT DATE OF MANUFACTURE.  
THIS PRODUCT COMPLIES WITH PART 15 OF THE FCC RULES.  
OPERATION IS SUBJECT TO TWO CONDITIONS:  
1
2
THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND  
THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING  
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.  
2
4
MUSICAL FIDELITY CD PRE  
MANUFACTURED BY MUSICAL FIDELITY LTD. 15-17 O LYMPIC TRADING ESTATE, FULTON ROAD,  
WEMBLEY, MIDDLESEX, HA9 OTF, ENGLAND  
ANALOGUE  
INPUTS  
DIG ITAL INPUTS  
COAXIAL  
DIG ITAL INPUTS  
O PTICAL  
DIG ITAL  
OUTPUTS  
THIS PRODUCT C O M PLIES WITH DHHS RULES 21C FR, CHAPTER 1, SUBCHAPTER J, PART 1040 AT DATE OF MANUFACTURE.  
THIS PRODUCT C O M PLIES WITH PART 15 THE FFC RULES. OPERATIO N IS SUBJECT TO TWO CONDITIONS:  
THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND  
THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED  
O
F
-
TAPE  
MONITO R  
DIG ITAL  
MONITO R  
1
2
O
PERATIO N.  
LINE1  
LINE  
2
LINE  
3
TAPE OUT  
PRE OUT  
1
2
COAXIAL O PTICAL  
CAUTION  
MOUNT UNIT ON SOLID SURFACE. DO NOT REMOVE SCREWS  
O
R
COVERS UNDER ANY CIRCUMSTANCES. NO USER SERVICEABLE  
C O M PO N ENTS INSIDE. REFER SERVICING TO QUALIFIED ENGINEER.  
SEE OWNERS MANUAL FO  
R
FURTHER INFO RMATION.  
POWER C O M SUMPTION 22W  
SERIAL  
NUMBER:  
THIS APPLIANCE  
MUST  
CLASS 1  
BE EARTHED  
DATE O F  
MANUFACTURE  
LASER PRO DUCT  
CAUTION -  
INVISIBLE LASER RADIATION WHEN OPEN AND  
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.  
VORSICHT! -  
UNSICHTBARE LASERSTRAHLUNG TRITT AUS,  
WENN DECKEL GEÖFFNET UND WENN  
SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST  
NICHT DEM STRAHL AUSSETZEN!  
VARNING -  
ADVARSEL -  
VAROITUS! -  
SYNLIG LASERSTRALNING NÄR DENNA DEL  
ÄR ÖPPNAD OCH SPÄRR AR URKOPPLAD.  
STRALEN AR FARLIG.  
USYNLIG LASERSTRALING VED ABNING, NAR  
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION.  
UNDGA UDSÆTTELSE FOR STRALING.  
FITTED INTERNALLY  
TO BASE OF CHASSIS  
SUOJAKOTELOA EI SAA AVATA. LAITE SISÄLTÄÄ  
LASERDIODIN, JOKA LÄHETTÄÄ (NÄKYMÄTONTÄ)  
SILMILLE VAARALLISTA LASERSÄTEILYÄ.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 4 of 19  
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USER INFORMATION  
RADIO - FREQUENCY INTERFERENCE (RFI)  
This equipment uses and can radiate radio frequency energy, and if not installed and operated in  
accordance with the instructions, may cause interference to radio communications and other  
electronic equipment.  
However, it is designed to minimise RFI, and accordingly been tested to North American stan-  
dards (FCC regulations - limits for a class B digital device persuant to part 15 of the rules).  
These requirements are intended to provide reasonable protection against excessive interference  
in a residential installation.  
Conversely, the product has also been checked to ensure that its own operation is not adversely  
affected by normal background levels of RFI received externally.  
However, if interference is experienced, for instance to radio or TV broadcasts, the user is rec-  
ommended to try one or more of the following measures:  
• Identify the source of interference by turning off power to the CD Pre or other  
equipment individually, and checking whether the problem then disappears.  
• Re-orientate or relocate the receiving aerial.  
• Move the CD Pre24 away from the receiver.  
• Connect the CD Pre24 to a mains outlet on a different circuit from the receiver.  
• Consult a dealer or experienced TV/radio technician for help.  
If a problem persists, please contact Musical Fidelity's service department.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 5 of 19  
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GENERAL ADVICE  
INSTALLATION PRECAUTIONS AND USER INFORMATION  
Your CD Pre24 is designed and built to provide trouble-free performance, but as with all  
electronic devices it is necessary to observe a few precautions:  
* Note all warnings shown on the back of the unit.  
* Only connect the CD Pre24 to a mains outlet having the same voltage as marked on the back  
of  
the unit.  
* Always switch off the mains supply before before connecting or disconnecting your audio  
equipment.  
* Position the mains lead and signal interconnects where they are not likely to be walked on or  
trapped by items placed on them.  
* Do not use near water, or place water-filled containers on the pre-amplifier, for example  
flower vases or potted plants. If water does spill into the equipment, immediately pull out  
the mains plug from the wall socket and inform your dealer, who should then check the  
unit before further use. Entry of liquid into the pre-amplifier is dangerous, and may cause  
electric shock or fire hazard.  
* Do not place the unit near heat sources such as radiators, direct sunlight or above other  
equipment which becomes warm with use. Do not obstruct ventilation slots.  
* Do not remove any covers or try to gain access - refer all service work to an authorised  
Musical Fidelity agent. There are no internal user adjustments.  
NOTE: Unauthorised opening of the equipment will invalidate any warranty claims.  
* There are fuses inside this product. In the unlikely event that one blows, refer the unit to  
your audio dealer.  
Do NOT try to replace the fuse yourself as this will invalidate the warranty.  
* Dust regularly with a soft duster or soft brush. For more thorough cleaning of the cabinet and  
remote control, use a moist cloth. We do not recommend the use of solvents such as white  
spirit or thinners, as they could damage the surface finish.  
* The electronics in modern hi-fi equipment is complex and may, therefore, be adversely  
affected or damaged by lightning. For protection of of your audio system during electrical  
storms, remove the mains plugs and disconnect any aerial lead.  
* If after-sales service is required, to help your dealer identify the CD Pre24, please quote the  
serial number located on the rear panel of the unit.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 6 of 19  
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REMOTE CONTROL  
REMOTE CONTROL  
The remote control enables most functions of the CD pre-amplifier to be operated from a con-  
venient distance.  
Equivalent buttons on the remote handset have the same functions as the those on the front  
panel of the unit.  
Some operations are only available via the handset.  
As the remote control uses an invisible infra-red light beam, the transmitter must be pointed  
directly towards the receiver window on the front of the pre-amplifier, without visual obstruc-  
tion between them.  
If the range of the remote control greatly decreases, replace the batteries with new ones.  
Do not mix old and new batteries - four are required, type SUM-4, AAA or LR03.  
PLAY / PAUSE  
OPEN / CLOSE CD tray  
to start, pause or  
resume CD playback.  
CD direct track access buttons.  
CD special feature buttons  
SEARCH buttons to scan  
CD forwards or backwards  
- see pages 13 to 15.  
TRACK back/forwards buttons  
STOP to stop CD playback.  
Input source selector buttons  
MUTE button  
VOLUME up / down  
MONITOR buttons  
- see page 10  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 7 of 19  
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FACILITIES AND CONNECTIONS  
FRONT PANEL  
4
5
NEXT CD track button  
Display (incorporates infra-red  
remote control receiver)  
1
2
3
LINE 1 input selector button and LED  
LINE 2 input selector button and LED  
LINE 3 input selector button and LED  
6
CD PLAY / PAUSE button  
1
2
3
4
5
6
PLAY/PAUSE  
NEXT  
LINE 1  
LINE 2  
LINE 3  
PREVIOUS  
STO P  
DIG ITAL 1  
DIG ITAL 2  
CD  
LANGUAGE  
O PEN/CLO SE  
DIG ITAL  
MONITO R  
TAPE  
MONITO R  
POWER  
24  
MUSICAL FIDELITY  
7
9
11  
13  
14  
15  
16  
17  
18  
8
10  
12  
7
8
9
DIGITAL 1 input selector button and LED  
Digital monitor LED (see page 10)  
DIGITAL 2 input selector button and LED  
13 CD LANGUAGE button (see page 17)  
14 PREVIOUS CD track button  
15 CD drawer  
10 POWER mains on/off switch  
11 Tape monitor LED (see page10)  
12 CD input selector button and LED  
16 CD drawer OPEN / CLOSE button  
17 CD STOP button  
18 Volume control knob with LED  
REAR PANEL  
19 LINE INPUT 1 - analogue  
- left and right  
20 LINE INPUT 2 - analogue  
- left and right  
21 LINE INPUT 3 - analogue  
- left and right  
23  
TAPE OUTPUT - analogue  
- left and right (see page 10)  
LINE OUTPUT - analogue  
left and right (to amplifier)  
INPUT 1 - digital co-axial  
INPUT 2 - digital co-axial  
27 INPUT 1 - optical  
28 INPUT 2 - optical  
29 DIGITAL MONITOR  
- digital co-axial  
30 LINE OUTPUT  
- digital co-axial  
24  
25  
26  
22 TAPE MONITOR  
- analogue, left and right  
31 LINE OUTPUT  
- optical  
19 20 21 22 23 24 25 26 27 28 29 30 31  
2
4
MUSICAL FIDELITY CD PRE  
MANUFACTURED BY MUSICAL FIDELITY LTD. 15-17 O LYMPIC TRADING ESTATE, FULTON ROAD,  
WEMBLEY, MIDDLESEX, HA9 OTF, ENGLAND  
ANALOGUE  
INPUTS  
DIG ITAL INPUTS  
COAXIAL  
DIG ITAL INPUTS  
O PTICAL  
DIG ITAL  
OUTPUTS  
TAPE  
DIG ITAL  
MONITO R  
MONITO R  
LINE1  
LINE  
2
LINE  
3
TAPE OUT  
PRE OUT  
1
2
COAXIAL O PTICAL  
IEC type mains inlet socket  
Instructions for Use. Page 8 of 19  
Issue 4: May 2002  
CD Pre24  
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CONNECTIONS & PRE-AMPLIFIER OPERATION  
BEFORE CONNECTING . . . . . . .  
The internal D-to-A convertor will also han-  
dle digital data from an external CD or  
DVD audio source.  
Ensure that mains power to the various  
components of your audio system is  
switched off. Please note that audio con-  
necting leads are not supplied with this  
product.  
MAINS POWER CONNECTION  
Insert the accessory IEC mains lead plug  
into the rear panel socket, and then the other  
end into a convenient wall outlet.  
OUTPUT CONNECTION  
The CD Pre24 should be connected to an  
analogue amplifier input by audio cables  
with RCA/phono type plugs. These link the  
left and right PRE OUT sockets on the rear  
panel of the CD Pre to corresponding line  
input sockets on the amplifier. Do not use  
any sockets on the amplifier intended for  
“vinyl” phono cartridge input, as the sensi-  
tive circuit will overload, producing a  
severely distorted sound.  
SWITCHING ON  
Before applying mains power to other audio  
components, check that the volume control  
setting on the CD Pre24 is low (knob turned  
anticlockwise).  
Press the power switch, and the front panel  
display will light to confirm that the unit is  
ready for use.  
Alternatively, the DIGITAL OUTPUTS  
(coaxial or optical) can be used for connec-  
tion to suitable digital equipment.  
INPUT SOURCE SELECTION  
All three types of output can be used for  
feeding different equipment at the same  
time, if required.  
Choose the required input source either by  
pressing the front panel function buttons or  
corresponding buttons on the remote control  
marked LINE 1, 2 or 3, or DIGITAL 1 or 2.  
Note that the volume control only affects  
analogue audio line output to the amplifier,  
not digital or tape outputs.  
The appropriate front panel LED will then  
light to confirm your selection.  
In the case of digital inputs, if no digital  
data is being received at the selected input  
socket, the associated LED will flash instead  
of remaining constant.  
INPUT CONNECTION  
Analogue inputs are provided for three ana-  
logue line sources, and two digital (optical  
or co-axial).  
Turn the volume control to obtain the pre-  
ferred level of sound.  
Do not connect both co-axial and optical  
leads to the same input.  
Connect digital or optical input leads from  
the other audio sources in your system as  
required.  
CD Pre24  
Instructions for Use. Page 9 of 19  
Issue 4: May 2002  
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PRE-AMPLIFIER OPERATION  
MUTE (Remote Control Only)  
TAPE MONITOR (Remote Control Only)  
The CD Pre24 can be used in analogue mode  
for off-tape monitoring from 3-head tape  
decks.  
Pressing the MUTE button once on the  
remote control will interrupt analogue out-  
put to the amplifier. Pressing MUTE again  
will restore audio output. The LED in the  
volume control knob then goes off to indi-  
cate that the outputs are muted.  
This allows the user to compare the original  
sound with the recorded version while the  
recording is being made.  
This function does not affect tape monitor  
or digital outputs.  
In this case, the recorder’s left- and right-  
hand line output sockets should be connect-  
ed to the CD Pre’s tape input, and the  
recorder’s line input sockets to the CD Pre’s  
tape output sockets.  
If the CD Pre24 is powered off while still  
muted, the effect will be cancelled when  
next switched on.  
To record, simply select the required source  
with the appropriate button on the CD Pre’s  
front panel or from the remote control.  
Pressing TAPE MONITOR on the remote  
control will allow you to monitor what is  
being recorded, and the matching blue LED  
on the front panel will light to confirm oper-  
ation. Press TAPE MONITOR again to  
cancel this mode.  
DIGITAL MONITORING  
(Remote Control Only)  
Any selected input source can be monitored  
with suitable external equipment from the  
digital co-axial and/or optical output sock-  
ets.  
A digital input source (co-axial only) can be  
monitored by pressing DIGITAL MONI-  
TOR on the remote control. This does not  
affect the selected input source, which will  
still be available from the tape or digital  
outputs.  
On some 3-head tape decks, there is an addi-  
tional “tape / source” switch which should  
be in the “tape” position for this arrange-  
ment to function. If in doubt, refer to the  
recorder’s user manual, or consult your  
dealer.  
This feature may be used together with a  
digital output to connect to a computer  
sound card or CD recorder, providing it has  
digital inputs and outputs.  
If the selected input source is digital (CD or  
DVD audio formats only) a converted ana-  
logue signal will also be available at the  
tape output sockets.  
Note that with this arrangement the CD  
Pre’s volume control has no effect.  
CD Pre24  
Instructions for Use. Page 10 of 19  
Issue 4: May 2002  
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CD - BASIC OPERATION  
LOADING AND PLAYING  
COMPACT DISCS  
DISC PLAY  
If PLAY/PAUSE is pressed, the CD player  
will go into play mode, an arrow confirm-  
ing playback will appear on the left, and  
the current track and index point will be  
displayed similar to the following example:  
If mains power to the CD Pre24 is switched  
on with a disc already loaded, it will auto-  
matically search for the disc and begin  
playing from the first track. However,  
playback will not be audible if the input  
has previously been set to another source  
before being switched off. The CD button  
must therefore be pressed first.  
If no disc is loaded, after about 3 or 4 sec-  
onds the unit will display the following:  
Again, the calendar grid shows playback  
progress of the first 20 tracks only.  
When all tracks on the CD have been  
played, playback stops and the display  
reverts to:  
To play a disc, press the OPEN/CLOSE  
button to open the transport drawer.  
When the drawer is fully extended, insert  
the required disc with the label facing  
upwards and then press either the  
OPEN/CLOSE or PLAY/PAUSE button  
to close the transport drawer again.  
PAUSE  
Pressing the PLAY/PAUSE button whilst a  
disc is playing pauses playback of the disc.  
A pause symbol ( ll ) appears in the dis-  
play window next to the play arrow.  
The disc will continue spinning but the  
track does not advance and the CD Pre’s  
output is muted.  
If OPEN/CLOSE is pressed, the disc  
drawer closes and the CD player scans the  
contents of the disc. After a short delay,  
the display window then shows for approx-  
imately 4 seconds the total number of  
tracks available on the CD, and total play-  
ing time, for example:  
Pressing PLAY/PAUSE again resumes  
playback from the same place.  
INDEX POINTS  
Display time 0 on the left then replaces  
the temporary track and time information,  
indicating that a disc is loaded but not yet  
playing.  
Some CDs contain index points within a  
track to separate a musical piece into dif-  
ferent movements. If used, these index  
point numbers (one or two digits, up to 99)  
will appear in the display under the  
graphic. Otherwise, index number 1 will  
be displayed.  
INDEX  
The “calendar” grid pattern at the right-  
hand end of the display also confirms  
tracks available for playing up to the first  
20, but remains displayed. In the above  
example there are 4 tracks on the disc.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 11 of 19  
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CD - BASIC OPERATION  
STOP  
track time remaining display (far right dig-  
its) will be seen to advance rapidly in the  
required direction. For both directions the  
unit will return to normal playback when  
the button is released.  
Playback can be stopped at any time by  
pressing the STOP button once.  
TRACK SELECTION  
To change track, the track skip buttons  
NEXT and PREVIOUS can be pressed  
to jump forwards or backwards one track  
in either direction. Note that a single press  
of the PREVIOUS button restarts play-  
back at the beginning of the current track.  
A double-press is needed to jump back to  
the previous track. Corresponding  
TRACK buttons on the remote control are  
also marked |<< and >>|. If either button  
is held down, the CD Pre24 will quickly  
step through the available tracks in the  
required direction.  
DISPLAYING PLAYBACK TIME  
There are three playback time display  
modes accessed progressively by pushing  
the TIME button on the remote control.  
The default mode (e.g. after switch on)  
shown below indicates the elapsed time for  
the currently playing track (2 minutes  
34 seconds in this example):  
Pushing the TIME button once changes  
the display to show the remaining time for  
the current track (4 minutes 29 seconds in  
this example):  
TRACK SELECTION (Remote control)  
A specific track can be selected directly by  
pressing the required track number button  
on the remote control. The chosen track  
then plays immediately.  
To play a track number with two digits,  
press the 10+ button on the remote control  
followed by the first digit, then the second  
digit. For example, to obtain track 27,  
press 10+ , then 2, then 7.  
Pushing the TIME button again changes  
the display to show the remaining time for  
the whole disc (33 mins 54 secs) below:  
SEARCH  
The SEARCH buttons can be used to fast-  
forward or fast-rewind during playback in  
a similar way to a video or tape cassette  
player. This permits location of particular  
passages at high speed with the audio play-  
back of the CD still active.  
(Note: Track and Index displays are not  
shown in this mode).  
Pressing the forward-search button (>>)  
fast winds forwards whilst the search back-  
wards button (<<) fast winds backwards.  
As the unit searches through a track, the  
A third press of the TIME button will now  
bring the display back to the original  
(elapsed track time) mode.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 12 of 19  
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CD - SPECIAL FEATURES  
REPEAT PLAYBACK  
SHUFFLE PLAYBACK  
The REPEAT button on the remote control  
allows the repeated playback of either one  
track or all tracks on the disc.  
By pressing the REPEAT button once, you  
can repeat the entire disc (or the pro-  
grammed selections - see page 14) over and  
over again. Large letters REPEAT briefly  
replace track, index and time information  
The SHUFFLE feature allows tracks on the  
discs to be played in random sequence  
rather than the normal consecutive order.  
Tracks are also played in a different order  
each time the disc is restarted, or another  
disc loaded.  
This function is obtained by pressing  
SHUFFLE on the remote control with the  
unit either stopped or playing.  
followed by a smaller, permanent  
legend underneath.  
REPEAT  
If the REPEAT button is pressed a second  
time, only the current track is repeated.  
Large letters REPEAT 1 briefly replace  
track, index and time information followed  
If playing, the word SHUFFLE in large let-  
ters briefly replaces track, index and time  
display information, before a permanent red  
indication provides a reminder that the func-  
tion has been activated.  
by a  
REPEAT 1  
legend underneath.  
Pressing REPEAT a third time cancels  
repeat mode. Graphics REPEAT OFF then  
briefly replace track, index and time infor-  
mation before reverting to a normal disc  
play display.  
From stop mode, pressing PLAY/PAUSE  
also begins shuffle play.  
If the CD Pre24 is already playing, play will  
continue until either the current track has  
finished, or either the track >>| button on  
the remote control or NEXT on the unit is  
pressed. Shuffle play is then further con-  
firmed by the track number display digits  
briefly changing into segments revolving in  
a box formation.  
A-B REPEAT PLAYBACK  
“A-B repeat” provides the option of playing  
just a certain section of the disc over and  
over again.  
Find the beginning of the required section  
either by listening, or using the display time  
as a guide. When the desired starting point  
is reached, press button A/B on the remote  
If the SHUFFLE button is now pressed for  
a second time, the word CONTINUE briefly  
replaces track, index and time display infor-  
mation. The unit then resumes normal play  
function, except that it now only plays pre-  
viously unplayed tracks of the current disc,  
unless others are then manually selected.  
Shuffle play is cancelled by pressing the  
STOP button.  
control. The display will show  
the flashing letter A.  
REPEAT  
and  
When the disc has reached the end of the  
required section, press the A-B button  
again. Letters A-B will now be illuminated  
in the display, and the unit continuously  
plays the selected part of the disc.  
To cancel A-B repeat mode, press REPEAT  
on the remote control. Graphics  
REPEAT OFF then briefly replace track,  
index and time information in the display.  
CD Pre24  
Instructions for Use. Page 13 of 19  
Issue 4: May 2002  
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CD - SPECIAL FEATURES  
INTRODUCTION SEARCH  
The introduction-search function allows  
play back of just the start of each track on  
the disc, for instance to locate a preferred  
track by ear.  
track, index and time information, before a  
permanent red display provides a reminder  
that the function has been activated.  
Press the numeric button of the track num-  
ber corresponding to the first track you wish  
to store (14 in our example is +10, then 4).  
That track number will now appear in the  
display under TRACK, number 1 (being the  
first entry) will appear under STEP, and track  
playing time appears under MIN SEC.  
Press INTRO on the remote control, and  
the display will briefly show:  
Alternatively, the track number can be  
selected by using the track skip buttons  
( |<< or >>| ).  
The calendar grid to the right of the display  
also confirms this track selection.  
The first ten seconds (approximately) of  
each title on the CD are then played (or the  
first 10 seconds of any programmed titles,  
see below). The playback arrow in the dis-  
play window flashes to indicate that this  
mode is activated.  
Next the second track to be programmed can  
be selected (7 in our example) either by  
entering the required number with the  
numeric buttons or again by using the track  
skip buttons. As the second track number is  
selected the step number will be seen to  
change to a 2 indicating the program step  
being filled.  
Track playing time can be changed to  
approximately 20 or 30 seconds at any time  
during introduction mode. Press INTRO  
twice or three times in quick succession  
instead of once, and the revised time will be  
indicated on the display as:  
or  
If you want to save a track twice in succes-  
sion (for example 9 followed by 9), then  
simply press button 9 twice.  
Press STOP to cancel introduction mode.  
Note: Intro scan time will be memorised as  
long as the unit is powered on, even when  
another disc is loaded.  
Repeat the above procedure by pressing  
remaining track numbers required (9, 9  
again and 12 in our example). Note that as  
tracks are added, the total playing time indi-  
cated increases by a corresponding amount  
plus one second per track. This is to allow  
access time for the CD mechanism during  
the program play sequence.  
PROGRAMMED PLAY / R.M.S.  
The built-in program memory (Random  
Music Selection function) allows you to  
store up to 24 tracks and then play them  
back in the stored order. Each track is  
stored as a 'STEP' in the program.  
If entry of more than 24 tracks is attempted  
accidently, the memory will not accept the  
extra ones. The following is then briefly  
displayed:  
It is possible to store a track more than once  
in the same program if required.  
Example:- You wish to listen to tracks  
14, 7, 9, 9 and 12 in that order on a disc.  
With the disc loaded and the player stopped,  
first press PROGRAM on the remote con-  
trol. The word PROGRAM briefly replaces  
CD Pre24  
Instructions for Use. Page 14 of 19  
Issue 4: May 2002  
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CD - SPECIAL FEATURES  
If at any time you make a mistake or wish  
to delete a track from the list, press the  
CLEAR button to erase the last step.  
Repeated pressing of CLEAR will then  
erase each step in reverse order.  
function which uses the silent gap between  
tracks to locate each one individually.  
However, some CDs do not have long  
enough gaps between tracks for this function  
to operate properly.  
AUTOSPACE can solve this problem.  
If you wish to check the selection before  
playing back your program, the CHECK  
button can be pressed to step through each  
track in turn. At the end of the check  
sequence, the display briefly shows:  
Pressing the AUTOSPACE button once  
activates the function. The legend  
AUTOSPACE  
will appear in the display. In this mode,  
once the CD Pre24 has reached the end of a  
track the  
AUTO SPACE  
graphic will begin to  
flash and the elapsed time part of the display  
will change to count down from four sec-  
onds to zero before play of the next track  
begins.  
To play the programmed tracks press  
PLAY/PAUSE (or INTRO if required,  
see page 14).  
When zero is reached the  
stops flashing and play continues at the start  
of the next track.  
AUTO SPACE  
legend  
When all programmed tracks have been  
played, the CD player stops. The same  
track selection can then be played again by  
pressing the PLAY/PAUSE button.  
Press AUTOSPACE again to cancel this  
mode.  
DISPLAY  
To cancel this mode, press PROGRAM.  
The word CONTINUE then briefly replaces  
track, index and time display.  
The CD Pre’s display can be switched off  
with the DISPLAY button on the remote  
control when a disc is playing.  
Note: The entire program contents will be  
cleared if you open the disc compartment to  
load another disc, but this does not cancel  
program mode itself.  
However, if the button is pressed without a  
CD being loaded, or with a disc stopped,  
track, index and time displays are briefly  
replaced by the word DISPLAY OFF to con-  
firm this mode has been engaged, but the  
display remains lit until play is selected.  
Pushing the button a second time briefly  
shows DISPLAY ON to confirm that the  
function has been cancelled.  
AUTOSPACE  
The CD Pre’s AUTOSPACE function can  
be used to insert 4-second silent spaces in  
between each track as it is played back.  
This can be useful when making cassette  
recordings of CDs. Some cassette  
When in display-off mode, pressing any but-  
ton will cause the display to return briefly to  
confirm the new status before again switch-  
ing off.  
recorders feature a track skip or search  
CD Pre24  
Instructions for Use. Page 15 of 19  
Issue 4: May 2002  
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CD TEXT  
CD TEXT DISCS  
A small number of CDs released for sale  
more recently have additional text informa-  
tion contained in the recorded digital data.  
If a title or name has more than twelve char-  
acters, the first 12 only will be diplayed  
after the title or name has finished scrolling.  
The CD Pre24 can individually display  
either the disc title, artist’s name or track  
title with appropriate control commands.  
With disc playing:  
Each press of the TIME button, the display  
will cycle between four states:  
Only CDs which are identified as having  
this text feature, either on the  
disc’s label or the library case,  
will have text function on the  
CD Pre24.  
Original state:  
1a: Track title  
When a text disc is first loaded, a red  
CD TEXT  
legend appears in the display  
window.  
then, after a few seconds:  
1b: Track elapsed time:  
Text is shown on the front display as  
follows:  
When the disc is first loaded:  
Initially (1a): Total tracks and total time  
2: Track remaining time:  
then, after a few seconds, (1b):  
3: Disc remaining time:  
Then, with each press of the TIME button,  
the display will cycle between the two text  
states:  
2: Main artist’s name:  
4: Track title: (original play mode)  
1: Return to 1a then 1b,  
CD Pre24  
Instructions for Use. Page 16 of 19  
Issue 4: May 2002  
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CD TEXT - OTHER LANGUAGES  
Other Languages:  
A limited number of CD text discs also  
have an “other-language” option.  
In this case, after loading the disc, the dis-  
play shows the current or default language  
after  
MULTI  
has been appeared underneath  
legend.  
the  
TEXT  
If the player cannot read one of the lan-  
guages identified in the disc’s digital data,  
the display will show “(OTHER LANG)”  
after loading the text CD.  
To change language with a suitable text  
disc, before playing the text CD:  
Press the LANGUAGE button on the front  
panel. The current operating language will  
then appear in the display.  
Press NEXT or PREVIOUS on the front  
panel, or |<< or >>| on the remote con-  
trol to find the required language.  
Press the LANGUAGE button again to  
store the setting.  
Notes:  
* If a non-text disc is loaded, pressing the  
LANGUAGE button has no effect.  
* If a text disc which does not have other  
languages available is loaded but not play-  
ing, when the LANGUAGE button is  
pressed “CAN’T SELECT” is displayed  
* If the LANGUAGE button is pressed  
while playing a multi-language text disc,  
the current language is displayed momen-  
tarily.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 17 of 19  
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TROUBLESHOOTING  
Basic problem-solving with the CD Pre24 is similar to troubleshooting other electrical or elec-  
tronic equipment. Always check the most obvious possible causes first, such as the following  
examples:  
Problem  
Possible Cause  
Remedy  
No power when POWER  
button is pressed  
Power plug is not inserted  
fully into rear socket  
Plug in securely.  
No sound  
TAPE MONITOR button has Press TAPE MONITOR  
been pressed  
button again to cancel.  
MUTE button has been  
Press MUTE button again  
pressed  
to cancel.  
Wrong input selected  
Select correct input.  
Sound is severely distorted, and Line output lead is connected Re-connect lead to auxilliary  
the volume control needs to be to phono pickup input sockets sockets or other “line level”  
turned down very low  
of the amplifier  
amplifier input.  
No playback when CD is load- Disc has been loaded with  
Re-load with label side up.  
ed, and “NO DISC” displayed the label side down  
Mistracking (sound jumping)  
Player receiving vibration  
or shock  
Change position of player  
away from speakers.  
Disc is dirty  
Clean disc surface  
Set switch to on.  
Remote control does not work POWER switch is off  
One or more batteries inserted Insert batteries correctly.  
the wrong way round  
Batteries are flat  
Change batteries - do not  
mix old and new ones.  
Remote control is not pointed Ensure there is no obstruc-  
directly towards the front  
panel of the pre-amplifier  
tion between the remote  
control and front panel.  
Remote control range has  
greatly reduced  
Batteries are running out  
Change batteries - do not  
mix old and new ones.  
If none of the above actions effect a cure, please contact your dealer or Musical Fidelity service  
agent. Do not open the case of the CD Pre24 yourself, as this will invalidate the guarantee.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 18 of 19  
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SPECIFICATIONS :  
CD Pre24  
Combination CD player / digital & analogue pre-amplifier  
CD SECTION:  
DAC architecture  
24 bit Delta-Sigma (Bitstream)  
Dual differential  
8 times oversampling  
(CD or DVD-audio conversion only)  
Frequency response  
Channel balance  
Stereo separation  
20Hz to 20kHz:  
20Hz to 20kHz:  
20Hz to 20kHz:  
< 0.02dB  
< 0.02dB  
> 98dB  
Total harmonic  
distortion at 1kHz:  
0dB digital level:  
-10dB digital level:  
-70dB digital level:  
0.002%  
0.004%  
0.050%  
Signal / noise ratio  
20Hz to 20kHz:  
114dB A-weighted  
Audio output at digital 0dB level, 1kHz:  
Total correlated jitter:  
2.14VRMS nominal  
< 189pS  
PRE-AMPLIFIER SECTION:  
Direct Analogue  
8.4VRMS  
< 0.002%  
+ 0, - 0.02dB  
85dB  
< 0.01dB  
109dB  
50 Ohms  
A to D / D to A *  
8.2VRMS  
< 0.004%  
+ 0, - 0.37dB  
90dB  
Maximum output for 2.2 Volts RMS input:  
Distortion  
20Hz to 20kHz:  
Frequency response  
Crosstalk, typical:  
Channel balance:  
20Hz to 20kHz:  
20Hz to 20kHz:  
< 0.02dB  
104dB  
Signal / noise ratio, “A”-weighted 20Hz to 20kHz:  
Output impedance  
* These measurements made by linking the co-axial digital output back to the digital monitor, and using  
DIGITAL MONITOR function. This is converting an analogue signal to digital and then back to analogue,  
as when linking to a computer or CD recorder.  
Power requirements  
100 / 115 / 230V AC 50 / 60Hz (Voltage factory preset for country)  
22 Watts  
Dimensions (approximate)  
440mm, 17.3 inches wide  
140mm, 5.5 inches high (including feet)  
380mm, 14.9 inches deep (including terminals)  
Weight  
13.5Kg, 29.7lbs unit only, unboxed  
17Kg, 37.4lbs in shipping carton  
Standard accessories:  
Remote control handset,  
IEC mains lead,  
4 batteries (type SUM-4, AAA, LR03)  
Musical Fidelity reserves the right to make improvements which may result in specification or feature changes without notice.  
Issue 4: May 2002  
CD Pre24  
Instructions for Use. Page 19 of 19  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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