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Sony CMT-S20B Operating Instructions page 2

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Creating your own program
Changing the display
(Program Play)
To
Press
1
Select the CD or USB function.
Change
DISPLAY
information on
the system is on.
Press CD
or USB
.
the display*
2
Select the play mode.
Check the clock
DISPLAY
Press PLAY MODE
repeatedly until
when the
is off. The clock is displayed
"PROGRAM" appears while the player is
system is off
for 8 seconds.
stopped.
3
Select the desired track or file number.
* For example, you can view CD/MP3/WMA disc
Press /
information or the USB device information, such
repeatedly until the desired
as;
track or file number appears.
 track or file number during normal play.
When programming MP3/WMA files, press
 track, file or title name during normal play.
+/
repeatedly to select the
 artist name during normal play.
desired folder, and then select the desired file.
 album or folder name during normal play.
 total playing time and total number of tracks on
the CD-DA disc (only when normal play mode is
selected and the player is stopped).
You can also view DAB/DAB+ station information
Selected track or
Total playing time of
such as the service name, channel label, DLS
file number
the selected track
(Dynamic Label Segment), or ensemble label.
(CD-DA disc only)
Notes on the display information
 Characters that cannot be displayed appear as "_".
4
Program the selected track or file.
 The following are not displayed;
Press
to enter the selected track or file.
 total playing time for an MP3/WMA disc and a
5
Repeat steps 3 through 4 to program
USB device.
 remaining playing time for an MP3/WMA file.
additional tracks or files, up to a total of
 The following are not displayed correctly;
64 tracks or files.
 elapsed playing time of an MP3/WMA file
6
To play your program of tracks or files,
encoded using VBR (variable bit rate).
press 
 folder and file names that do not follow either
.
the ISO9660 Level 1, Level 2 or Joliet in the
The program remains available until you
expansion format.
perform one of the following operations:
 The following are displayed;
 changing the function.
 remaining playing time for a track.
 turning off the system.
 ID3 tag information for MP3 files when ID3
 disconnecting the power cord.
version 1 and version 2 tags are used (ID3
 opening the CD compartment.
version 2 tag information display has priority
To play the same program again, press 
.
when both ID3 version 1 and version 2 tags are
used for a single MP3 file).
To cancel Program Play
 up to 31 characters of ID3 tag information using
uppercase letters (A to Z), numbers (0 to 9), and
Press PLAY MODE
.
symbols (+ – . / [ ] _ |
~
).
 up to 8 characters of service name, up to 128
To delete the last track or file of the
characters of DLS (Dynamic Label Segment) and
program
up to 16 characters of ensemble label using
Press CLEAR
while the player is stopped.
uppercase letters (A to Z), numbers (0 to 9), and
symbols (+ – . / [ ] _ |
~
).
Using optional audio
Using the timers
components
The system offers two timer functions. If you use
1
Prepare the sound source.
both timers, the Sleep Timer has priority.
Connect additional audio component to the
AUDIO IN jack
on the unit using an audio
Sleep Timer:
analog cord (not supplied).
You can fall asleep to music. This function works
2
Turn down the volume.
even if the clock is not set.
Press SLEEP
repeatedly. If you select "AUTO,"
Press VOLUME 
.
the system automatically turns off after the
3
Select the AUDIO IN function.
current disc or USB device stops, or within
Press AUDIO IN
.
100 minutes.
4
Start playback.
Play Timer:
Start playback of the connected component
You can wake up to a CD, DAB/DAB+/FM
and adjust the volume.
reception, USB device or an audio component
Note
connected to the AUDIO IN jack  at a preset
The system may enter standby mode automatically
time.
if the volume level of the connected component is
Make sure you have set the clock.
too low. Adjust the component's volume accordingly.
1
Prepare the sound source.
See "To turn off the automatic standby function."
Prepare the sound source, and then press
VOLUME +/
to adjust the volume.
Adjusting the sound
To start from a specific CD track or audio file,
create your own program.
2
Select the timer set mode.
To
Press
Press TIMER MENU
.
Adjust the
VOLUME +/
.
If the clock is not set, the system will be in
volume
clock set mode. In that case, set the clock.
Generate a
BASS BOOST
.
3
Set the play timer.
more dynamic
Press /
repeatedly to select "PLAY
sound
SET," then press
.
Set the sound
EQ
repeatedly until desired
4
Set the time to start playback.
effect
sound effect is displayed.
Press /
repeatedly to set the hour,
then press
. Use the procedure above to
set the minutes.
5
Use the same procedure as in step 4 to
set the time to stop playback.
6
Select the sound source.
Press /
repeatedly until the desired
sound source appears, then press
7
Turn off the system.
Press 
. The system automatically turns
on before the preset time.
If the system is on at the preset time, the Play
Timer will not play. Do not operate the system
from the time the system turns on until the
playback starts.
To check the setting
1
Press TIMER MENU
.
2
Press /
repeatedly to select
"SELECT," and then press
3
Press /
repeatedly to select
"PLAY SEL," and then press
USB device
To cancel the timer
Repeat the same procedure as above until "OFF"
The connected USB device cannot be
appears in step 3, and then press
.
charged.
To change the setting
 Make sure the USB device is connected
repeatedly when
Start over from step 1.
securely.
 Some USB devices can be charged only when
Tip
the system is in the USB function.
The Play Timer setting remains as long as the setting
when the system
is not cancelled manually.
Are you using a supported USB device?
 If you connect an unsupported USB device, the
following problems may occur. Check the
Troubleshooting
information on the website about compatible
USB devices with the URL listed under "Playing
a file of the USB device."
1
Make sure the power cord and speaker
 The USB device is not recognized.
cords are correctly and firmly connected.
 File or folder names are not displayed on this
2
Find your problem in the checklist below,
 Playback is not possible.
and take the indicated corrective action.
 The sound skips.
If the issue persists, contact your nearest Sony
 There is noise.
dealer.
 A distorted sound is output.
If "PROTECT" appears on the
"OVER CURRENT" appears.
display
 A problem has been detected with the level of
Immediately unplug the power cord, and
electrical current from the
check the following items after "PROTECT"
Turn off the system and remove the USB device
disappears.
from the
 Are the + and  speaker cords short-
no problem with the USB device. If this display
circuited?
pattern persists, contact your nearest Sony
 Is anything blocking the ventilation holes of
dealer.
the system?
After you have checked these above items
There is no sound.
and found to be all right, reconnect the power
 The USB device is not connected correctly. Turn
cord, and turn on the system. If the issue
off the system, then reconnect the USB device.
persists, contact your nearest Sony dealer.
There is noise, skipping, or distorted
sound.
General
 Turn off the system, then reconnect the USB
device.
The system does not turn on.
 The music data itself contains noise, or the
 Is the power cord plugged in?
sound is distorted. Noise may have been
entered when creating music data due to the
The system has entered standby mode
conditions of the computer. Create the music
unexpectedly.
data again.
 This is not a malfunction. The system enters
 The bit rate used when encoding the files was
standby mode automatically in about
low. Send files encoded with higher bit rates to
30 minutes when there is no operation or audio
the USB device.
signal output. See "To turn off the automatic
standby function."
"SEARCH" is displayed for an extended
time, or it takes a long time before
The clock setting or the Play Timer
playback starts.
operation has been cancelled
 The reading process can take a long time in the
unexpectedly.
following cases.
 If about a minute elapses with no operation,
 There are many folders or files on the USB
the clock setting or Play Timer setting is
cancelled automatically. Perform the operation
 T he file structure is extremely complex.
again from the beginning.
 The memory capacity is excessive.
 The internal memory is fragmented.
There is no sound.
 Are the + and  speaker cords short-circuited?
Erroneous display
 Are you using only the supplied speakers?
 Send the music data to the USB device again,
 Is anything blocking the ventilation holes of
as the data stored in the USB device may have
the system?
been corrupted.
 The specified station may have temporarily
 The character codes that can be displayed by
stopped broadcast.
this system are numbers and alphabets only.
Other characters are not displayed correctly.
Sound comes from one channel, or the
left and right volumes are unbalanced.
The USB device is not recognized.
 Place the speakers as symmetrically as
 Turn off the system and reconnect the USB
possible.
device, then turn on the system.
 Connect only the supplied speakers.
 Check the information on the website about
compatible USB devices with the URL listed
Severe hum or noise.
under "Playing a file of the USB device."
 Move the system away from sources of noise.
 The USB device does not work properly. Refer
 Connect the system to a different wall outlet.
to the USB device operation manual for how to
 Install a noise filter (available separately) to the
deal with this problem.
power cord.
Play does not start.
The remote does not function.
 Turn off the system and reconnect the USB
 Remove any obstacles between the remote
device, then turn on the system.
and the remote sensor
on the unit, and
 Check the information on the website about
position the unit away from fluorescent lights.
compatible USB devices with the URL listed
 Point the remote at the system's sensor.
under "Playing a file of the USB device."
 Move the remote closer to the system.
 Press 
CD/MP3/WMA player
Play does not start from the first track.
 Set the play mode to Normal Play mode.
The sound skips, or the disc will not play.
Files cannot be played back.
 Wipe the disc clean, and replace it.
 Move the system to a location away from
 The audio files may have inappropriate file
.
extensions. The file extensions supported by
vibration (for example, on top of a stable
stand).
this system are as follows:
 MP3: file extension ".mp3"
 Move the speakers away from the system, or
 WMA: file extension ".wma"
place them on separate stands. At high volume,
speaker vibration may cause the sound to skip.
 The audio files may have been created in
formats other than MP3/WMA formats.
Play does not start from the first track.
 USB storage devices formatted with file
 Set the play mode to normal play mode.
systems other than FAT16 or FAT32 are
unsupported.*
Starting playback takes more time than
 If you use a partitioned USB storage device,
usual.
only files on the first partition can be played.
 The following discs can increase the time it
 Files that are encrypted or protected by
takes to start playback;
.
passwords, etc. cannot be played back.
 a disc recorded with a complicated tree
* This system supports FAT16 and FAT32, but some
structure.
USB storage devices may not support all of these
.
 a disc recorded in multisession mode.
FAT. For details, see the operation manual of each
USB storage device or contact the manufacturer.
 a disc that has not been finalized (a disc to
which data can be added).
 a disc that has many folders.
Tuner
Severe hum or noise, or stations cannot
be received.
 Connect the antenna properly.
 Try another place and orientation for better
antenna reception.
 Keep the antenna away from the speaker cords
and the power cord to avoid picking up noise.
 Turn off nearby electrical equipment.
Several radio stations can be heard at the
same time.
 Try another place and orientation for better
antenna reception.
 Bundle the antenna cable using commercially
available cord clips, for example, and adjust the
system.
cable length.
DAB/DAB+ radio station is not received
properly.
 Check all antenna connections, then perform
the DAB Automatic Scan procedure (see
"Reception of DAB/DAB+ radio station").
 The current DAB/DAB+ service may not be
(USB) port
.
available. Press PRESET+/PRESET
a different service.
(USB) port
. Make sure there is
 If you have moved to another area, some
services/frequencies may have changed and
you may not be able to tune to your usual
broadcast.
Perform the DAB Automatic Scan procedure to
re-register the contents of broadcasts.
(Performing this procedure clears all previously
stored presets.)
To reset the system to factory
settings
If the system still does not operate properly, reset
the system to factory settings.
1
Disconnect and reconnect the power
cord, and then turn on the system.
2
Hold down 
on the remote and EQ
on the unit until "RESET OK" appears.
All user-configured settings, such as preset
radio stations, timer, and the clock, are
deleted.
To turn off the automatic standby
function
This system is equipped with an automatic
standby function. With this function, the system
enters standby mode automatically in about 30
device.
minutes when there is no operation or audio
signal output.
By default, the automatic standby function is
turned on.
Use buttons on the unit to turn off the automatic
standby function.
Hold down 
while the system is
on, until "AUTO STANDBY OFF" appears.
To turn on the function, repeat the procedure
until "AUTO STANDBY ON" appears.
Notes
 The automatic standby function is invalid for the
DAB or FM function.
 The system may not enter standby mode
automatically in the following cases;
 when an audio signal is detected.
 when a USB device is connected.
 during playback of audio tracks or files.
 while the preset Play Timer or Sleep Timer is in
process.
to start playback.
Messages
Precautions
DISC ERR : You have loaded a disc that cannot be
Discs that this system CAN play
played.
 Audio CD
FULL : You tried to program more than 64 tracks
 CD-R/CD-RW (audio data/MP3/WMA files)
or files (steps).
NO FILE : There are no playable files on the
Discs that this system CANNOT play
CD-R/CD-RW discs or in the USB device.
 CD-ROM
NOPRESET (DAB/DAB+ only) : There is no stored
 CD-R/CD-RW other than those recorded in
preset station.
music CD format, conforming to ISO9660 Level
NO SERV (DAB/DAB+ only) : There is no
1/Level 2 or Joliet
supported DAB/DAB+ broadcast in your
 CD-R/CD-RW recorded in multisession that
country or region.
have not ended by "closing the session"
NO STEP : All of the programmed tracks have
 CD-R/CD-RW of poor recording quality, CD-R/
been erased.
CD-RW that have scratches or are dirty, or
NO TEXT (DAB/DAB+ only) : There is no text
CD-R/CD-RW recorded with an incompatible
information in the received service.
recording device
NO USB : No USB device is connected or an
 CD-R/CD-RW which is finalized incorrectly
unsupported USB device is connected.
 Discs containing files other than MPEG 1 Audio
PLAY SET : You tried to select the timer when the
Layer-3 (MP3)/WMA files
Play Timer is not set.
 Discs of non-standard shape (for example,
PLS STOP : You pressed PLAY MODE
during
heart, square, star)
playback.
 Discs that have adhesive tape, paper, or sticker
SELECT : You pressed TIMER MENU
during
attached to them
to select
timer operation.
 Rental or used discs with attached seals where
TIME NG : The Play Timer start and end times are
the glue extends beyond the seal
set to the same time.
 Discs that have labels printed using ink that
feels tacky when touched
Notes on discs
 Before playing, wipe the disc with a cleaning
cloth from the center out to the edge.
 Do not clean discs with solvents, such as
benzine, thinner, or commercially available
cleaners or anti-static spray intended for vinyl
LPs.
 Do not expose discs to direct sunlight or heat
sources such as hot air ducts, nor leave them in
a car parked in direct sunlight.
On safety
 Completely disconnect the power cord (mains
lead) from the wall outlet (mains) if it is not
going to be used for an extended period of
time. When unplugging the unit, always grip
the plug. Never pull the cord itself.
 Should any solid object or liquid get into the
system, unplug the system, and have it
checked by qualified personnel before
operating it again.
 The AC power cord can be changed only by a
qualified service facility.
On placement
 Do not place the system in an inclined position
or in locations that are extremely hot, cold,
dusty, dirty, or humid or lacking adequate
ventilation, or subject to vibration, direct
sunlight or a bright light.
 Be careful when placing the unit or speakers on
surfaces that have been specially treated (for
example, with wax, oil, polish) as staining or
discoloration of the surface may result.
 If the system is brought directly from a cold to
a warm location or is placed in a very damp
room, moisture may condense on the lens
inside the CD player, and cause the system to
malfunction. In this situation, remove the disc,
and leave the system turned on for about an
hour until the moisture evaporates.
On heat buildup
 Heat buildup on the unit during operation is
normal and is not cause for alarm.
 Do not touch the cabinet if it has been used
continuously at a high volume because the
cabinet may have become hot.
 Do not obstruct the ventilation holes.
On the speaker system
This speaker system is not magnetically shielded,
and the picture on nearby TV sets may become
magnetically distorted. In this situation, turn off
the TV, wait 15 to 30 minutes, and turn it back on.
If there is no improvement, move the speakers
far away from the TV.
Cleaning the cabinet
Clean this system with a soft cloth slightly
moistened with a mild detergent solution. Do not
use any type of abrasive pad, scouring powder,
or solvent, such as thinner, benzine, or alcohol.
Specifications
Main unit
Amplifier section
Power output (rated): 4 watts + 4 watts
(8 ohms at 1 kHz, 1% THD)
Continuous RMS power output (reference):
5 watts + 5 watts (8 ohms at 1 kHz, 10% THD)
Input
AUDIO IN (stereo mini jack): Sensitivity 1 V,
impedance 50 kilohms
Outputs
SPEAKERS: Accepts impedance of 8 ohms
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6µW
* This output is the value measurement at a distance of
200mm from the objective lens surface on the Optical
Pick-up Block with 7mm aperture.
Frequency response: 20 Hz  20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 90 dB
Tuner section
FM stereo, DAB/FM superheterodyne tuner
Antenna: DAB/FM lead antenna
DAB/DAB+ tuner section:
Frequency range*
Band-III: 174.928 (5A) MHz  239.200 (13F) MHz
* For details, see "DAB/DAB+ frequency table
(Band-III)" below.
DAB/DAB+ frequency table (Band-III)
Frequency
Label
Frequency
Label
174.928 MHz
5A
209.936 MHz
10A
176.640 MHz
5B
211.648 MHz
10B
178.352 MHz
5C
213.360 MHz
10C
180.064 MHz
5D
215.072 MHz
10D
181.936 MHz
6A
216.928 MHz
11A
183.648 MHz
6B
218.640 MHz
11B
185.360 MHz
6C
220.352 MHz
11C
187.072 MHz
6D
222.064 MHz
11D
188.928 MHz
7A
223.936 MHz
12A
190.640 MHz
7B
225.648 MHz
12B
192.352 MHz
7C
227.360 MHz
12C
194.064 MHz
7D
229.072 MHz
12D
195.936 MHz
8A
230.784 MHz
13A
197.648 MHz
8B
232.496 MHz
13B
199.360 MHz
8C
234.208 MHz
13C
201.072 MHz
8D
235.776 MHz
13D
202.928 MHz
9A
237.488 MHz
13E
204.640 MHz
9B
239.200 MHz
13F
206.352 MHz
9C
208.064 MHz
9D
FM tuner section:
Tuning range: 87.5 MHz  108.0 MHz (50 kHz
step)
USB section
(USB) port: Type A, maximum current 500 mA
Supported audio formats
Supported bit rate:
MP3 (MPEG 1 Audio Layer-3): 32 kbps 
320 kbps, VBR
WMA: 32 kbps  192 kbps, VBR
Sampling frequencies:
MP3 (MPEG 1 Audio Layer-3): 32/44.1/48 kHz
WMA: 44.1 kHz
Speaker
Speaker system: Full range, 8 cm dia., cone type
Rated impedance: 8 ohms
Dimensions (W/H/D): Approx. 148 mm × 240 mm
× 127 mm
Mass: Approx. 1.2 kg net per speaker
Quantity: 2 pieces
General
Power requirements: AC 120 V  240 V, 50/60 Hz
Power consumption: 18 watts
Dimensions (W/H/D, including largest
protrusions) (excl. speakers):
Approx. 170 mm × 133 mm × 240 mm
Mass (excl. speakers): Approx. 1.3 kg
Quantity of the main unit: 1 piece
Supplied accessories: Remote Commander (1),
DAB/FM lead antenna (1), Speaker pads (8)
Design and specifications are subject to change
without notice.
 Standby power consumption: 0.5 W
 Halogenated flame retardants are not used in
the certain printed wiring boards.

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