Onkyo CS-255 Owner's Manual
Getting Started .......................... 2
CD Receiver System
CS-255
CD Receiver (CR-255)
Speakers (D-T15)
Instruction Manual
Connections ............................ 13
Basic Operations .................... 16
Playing CDs ............................. 17
Playing Your iPod/iPhone....... 20
Listening to the Radio ............ 22
Thank you for purchasing an Onkyo CD Receiver System.
Please read this manual thoroughly before making any
connections and plugging it in.
Following the instructions in this manual will enable you to
obtain optimum performance and listening enjoyment from
your new CD Receiver System.
Please retain this manual for future reference.
Playing a
USB Flash Drive ...................... 24
Setting the CD Receiver ......... 24
Using the Timer ....................... 25
Miscellaneous ......................... 27
E
n
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPARATUS
TO RAIN OR MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO
USER-SERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE
PERSONNEL.
Important Safety Instructions
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated “dangerous voltage” within
the product’s enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to
persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
AVIS
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding
type plug has two blades and a third grounding
prong. The wide blade or the third prong are provided for your safety. If the provided plug does not
fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10. Protect the power cord from being walked on or
pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the
manufacturer.
12.
Use only with the cart, stand,
PORTABLE CART WARNING
tripod, bracket, or table specified by the manufacturer, or
sold with the apparatus.
When a cart is used, use caution when moving the cart/
apparatus combination to
avoid injury from tip-over.
S3125A
13. Unplug this apparatus during lightning storms or
when unused for long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or
plug is damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate
normally, or has been dropped.
15. Damage Requiring Service
Unplug the apparatus from the wall outlet and refer
servicing to qualified service personnel under the
following conditions:
A. When the power-supply cord or plug is damaged,
B. If liquid has been spilled, or objects have fallen
into the apparatus,
C. If the apparatus has been exposed to rain or
water,
D. If the apparatus does not operate normally by
following the operating instructions. Adjust only
those controls that are covered by the operating
instructions as an improper adjustment of other
controls may result in damage and will often
require extensive work by a qualified technician
to restore the apparatus to its normal operation,
E. If the apparatus has been dropped or damaged in
any way, and
F. When the apparatus exhibits a distinct change in
performance this indicates a need for service.
16. Object and Liquid Entry
Never push objects of any kind into the apparatus
through openings as they may touch dangerous voltage points or short-out parts that could result in a
fire or electric shock.
The apparatus shall not be exposed to dripping or
splashing and no objects filled with liquids, such as
vases shall be placed on the apparatus.
Don’t put candles or other burning objects on top of
this unit.
17. Batteries
Always consider the environmental issues and follow local regulations when disposing of batteries.
18. If you install the apparatus in a built-in installation,
such as a bookcase or rack, ensure that there is adequate ventilation.
Leave 20 cm (8") of free space at the top and sides
and 10 cm (4") at the rear. The rear edge of the shelf
or board above the apparatus shall be set 10 cm (4")
away from the rear panel or wall, creating a fluelike gap for warm air to escape.
2
Precautions
1. Recording Copyright—Unless it’s for personal use
only, recording copyrighted material is illegal
without the permission of the copyright holder.
2. AC Fuse—The AC fuse inside the unit is not user-
serviceable. If you cannot turn on the unit, contact
your Onkyo dealer.
3. Care
4. Power
5. Preventing Hearing Loss
6. Batteries and Heat Exposure
7. Never Touch this Unit with Wet Hands—Never
8. Handling Notes
—Occasionally you should dust the unit all over
with a soft cloth. For stubborn stains, use a soft cloth
dampened with a weak solution of mild detergent and
water. Dry the unit immediately afterwards with a
clean cloth. Don’t use abrasive cloths, thinners,
alcohol, or other chemical solvents, because they
may damage the finish or remove the panel lettering.
WARNING
BEFORE PLUGGING IN THE UNIT FOR THE
FIRST TIME, READ THE FOLLOWING
SECTION CAREFULLY.
AC outlet voltages vary from country to country.
Make sure that the voltage in your area meets the
voltage requirements printed on the unit’s rear panel
(e.g., AC 230 V, 50 Hz or AC 120 V, 60 Hz).
The power cord plug is used to disconnect this unit
from the AC power source. Make sure that the plug
is readily operable (easily accessible) at all times.
For models with [POWER] button, or with both
[POWER] and [ON/STANDBY] buttons:
Pressing the [POWER] button to select OFF mode
does not fully disconnect from the mains. If you do
not intend to use the unit for an extended period,
remove the power cord from the AC outlet.
For models with [ON/STANDBY] button only:
Pressing the [ON/STANDBY] button to select
Standby mode does not fully disconnect from the
mains. If you do not intend to use the unit for an
extended period, remove the power cord from the
AC outlet.
Caution
Excessive sound pressure from earphones and
headphones can cause hearing loss.
War nin g
Batteries (battery pack or batteries installed) shall
not be exposed to excessive heat as sunshine, fire or
the like.
handle this unit or its power cord while your hands
are wet or damp. If water or any other liquid gets
inside this unit, have it checked by your Onkyo
dealer.
• If you need to transport this unit, use the original
packaging to pack it how it was when you
originally bought it.
• Do not leave rubber or plastic items on this unit
for a long time, because they may leave marks on
the case.
• This unit’s top and rear panels may get warm
after prolonged use. This is normal.
• If you do not use this unit for a long time, it may
not work properly the next time you turn it on, so
be sure to use it occasionally.
• When you’ve finished using this unit, remove all
discs and turn off the power.
9. Installing this Unit
• Install this unit in a well-ventilated location.
• Ensure that there’s adequate ventilation all
around this unit, especially if it’s installed in an
audio rack. If the ventilation is inadequate, the
unit may overheat, leading to malfunction.
• Do not expose this unit to direct sunlight or heat
sources, because its internal temperature may
rise, shortening the life of the optical pickup.
• Avoid damp and dusty places, and places subject
to vibrations from loudspeakers. Never put the
unit on top of, or directly above a loudspeaker.
• Install this unit horizontally. Never use it on its
side or on a sloping surface, because it may cause
a malfunction.
• If you install this unit near a TV, radio, or VCR,
the picture and sound quality may be affected. If
this occurs, move this unit away from the TV,
radio, or VCR.
10. Moisture Condensation
Moisture condensation may damage this unit.
Read the following carefully:
Moisture may condense on the lens of the optical
pickup, one of the most important parts inside this
unit.
• Moisture condensation can occur in the following
situations:
– The unit is moved from a cold place to a warm
place.
– A heater is turned on, or cold air from an air
conditioner is hitting the unit.
– In the summer, when this unit is moved from
an air conditioned room to a hot and humid
place.
– The unit is used in a humid place.
• Do not use this unit when there’s the possibility
of moisture condensation occurring. Doing so
may damage your discs and certain parts inside
this unit.
If condensation does occur, unplug the power cord
and leave the unit for two to three hours in the room
temperature.
This unit contains a semiconductor laser system and is
classified as a “CLASS 1 LASER PRODUCT”. So, to
use this model properly, read this Instruction Manual
carefully. In case of any trouble, please contact the store
where you purchased the unit.
To prevent being exposed to the laser beam, do not try to
open the enclosure.
CAUTION:
CLASS 1M VISIBLE AND INVISIBLE LASER
RADIATION WHEN OPEN. DO NOT VIEW
DIRECTLY WITH OPTICAL INSTRUMENTS.
3
Precautions—Continued
THIS PRODUCT UTILIZES A LASER. USE OF
CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER THAN
THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
The label on the right is
applied on the rear panel.
1. This unit is a CLASS 1
LASER PRODUCT and
employs a laser inside the cabinet.
2. To prevent the laser from being exposed, do not
remove the cover. Refer servicing to qualified
personnel.
For British models
Replacement and mounting of an AC plug on the power
supply cord of this unit should be performed only by
qualified service personnel.
IMPORTANT
The wires in the mains lead are coloured in accordance
with the following code:
Blue: Neutral
Brown: Live
As the colours of the wires in the mains lead of this
apparatus may not correspond with the coloured
markings identifying the terminals in your plug,
proceed as follows:
The wire which is coloured blue must be connected to
the terminal which is marked with the letter N or
coloured black.
The wire which is coloured brown must be connected to
the terminal which is marked with the letter L or
coloured red.
IMPORTANT
The plug is fitted with an appropriate fuse. If the fuse
needs to be replaced, the replacement fuse must
approved by ASTA or BSI to BS1362 and have the same
ampere rating as that indicated on the plug. Check for
the ASTA mark or the BSI mark on the body of the fuse.
If the power cord’s plug is not suitable for your socket
outlets, cut it off and fit a suitable plug. Fit a suitable
fuse in the plug.
WA R N I N G
DO NOT INGEST BATTERY, CHEMICAL BURN
HAZARD
[The remote control supplied with] This product
contains a coin/button cell battery. If the coin/button cell
battery is swallowed, it can cause severe internal burns
in just 2 hours and can lead to death.
Keep new and used batteries away from children. If the
battery compartment does not close securely, stop using
the product and keep it away from children.
If you think batteries might have been swallowed or
placed inside any part of the body, seek immediate
medical attention.
CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.
For European Models
Declaration of Conformity
We declare, under our sole
responsibility, that this product
complies with the standards:
–Safety
– Limits and methods of
measurement of radio disturbance characteristics
– Limits for harmonic current emissions
– Limitation of voltage changes, voltage fluctuations
and flicker
– RoHS Directive, 2011/65/EU
4
Precautions—Continued
Before Using Your New Speakers
• Place the speakers on sturdy, flat surfaces. Putting
them on uneven or unstable surfaces where they may
fall and cause damage will affect the sound quality.
• Do not keep water or other liquids close to the
speakers. If a liquid is spilled over them, the woofer
and tweeter inside may be damaged.
• Do not handle the speakers with wet or damp hands.
Speaker Precautions
The speakers can handle the specified input power when
used for normal music reproduction. If they’re fed any
of the following signals, even if the input power is
within the specified rating, excessive current may flow
in the speaker coils, causing burning or wire breakage:
1. Interstation noise from an untuned FM radio.
2. Audio from a cassette that’s being fast-forwarded.
3. High-pitched sounds generated by an oscillator, electronic musical instrument, and so on.
4. Amplifier oscillation.
5. Special test tones from audio test CDs and so on.
6. Thumps and clicks caused by connecting or disconnecting audio cables (always turn off your amplifier
before connecting or disconnecting cables).
7. Microphone feedback.
The speakers contain powerful magnets. Do not put
metal items, such as screwdrivers, close to the speakers,
as they may be attracted toward the magnet, causing
injury, or damage to the tweeter diaphragm.
Using Close to a TV or Computer
TVs and computer monitors are magnetically sensitive
devices and as such are likely to suffer from
discoloration or picture distortion when conventional
speakers are placed nearby. To prevent this, the speakers
feature internal magnetic shielding. In some situations,
however, discoloration may still be an issue. In this
case, turn off your TV or monitor, wait 15 to 30
minutes, and then turn it back on again. This normally
activates the degaussing function, which neutralizes the
magnetic field, thereby removing any discoloration
effects. If discoloration problems persist, try moving the
speakers away from your TV or monitor. Note that
discoloration can also be caused by a magnet or
demagnetizing tool that’s too close to your TV or
monitor.
Note:
• If the speakers are placed close to a TV or monitor,
due to the electromagnetic waves radiated by the TV
or monitor, you may hear noise from the speakers even
after your amplifier has been turned off. To prevent
this, position the speakers away from your TV or
monitor.
5
Package Contents
Make sure you have the following items:
CD Receiver (CR-255)
Remote controller (RC-823S)
Indoor FM antenna
Power cord
(Connector type varies from country to country.)
Speakers (D-T15)
Speaker cables
8 floor pads
* In catalogs and on packaging, the letter at the end of
the product name indicates the color. Specifications
and operation are the same regardless of color.
Using the Included Floor Pads for speakers
You can improve the sound quality by attaching the
included floor pads to raise the speakers off the surface
and reduce the contact area. The floor pads also make
the speakers stable and prevent them from slipping.
Floor pads
When using the remote controller, point it toward the
CD receiver’s remote control sensor, as shown below.
CR-255
Remote control sensor
rox. 5 m
p
30°
30°
Ap
Replacing the Battery
Use only a battery of the same type (CR2025).
Squeeze and pull to release the
battery cover latch. You can
remove the battery door with your
fingernails by using the spaces
set back in wall.
Bottom
D-T15
Using the Remote Controller
Remove the plastic film before using the remote
controller.
Back side
Positive ⊕ side
Note:
• If the remote controller doesn’t work reliably, try
replacing the batteries.
• If you intend not to use the remote controller for a long
time, remove the batteries to prevent damage from
leakage or corrosion.
• Expired batteries should be removed as soon as
possible to prevent damage from leakage or corrosion.
Caution:
• Replacing the battery incorrectly may cause an
explosion. Use only a battery of the same type or an
equivalent.
6
Features
General
• CD tuner audio system with built-in iPod®/
• Super Bass (S.Bass) function for deeper bass sounds
• Bass and treble tone controls
• Line input for external audio source
• Headphones jack
• Dimmable display
iPhone
®*1*
2
dock
Speakers
• Stylish cabinet
• 2 Way Bass-reflex
iPod
*
• iPod/iPhone direct digital connection
• Control your iPod/iPhone with the remote controller
• iPod dock works with:
iPod touch 5th generation, iPod nano 7th generation,
iPhone 5
•USB works with:
iPod touch (1st, 2nd, 3rd, 4th, and 5th generation),
iPod classic, iPod nano (2nd, 3rd, 4th, 5th, 6th, and
7th generation), iPhone 5, iPhone 4S, iPhone 4,
iPhone 3GS, iPhone 3G, iPhone
1
*1.
iPhone, iPod, iPod classic, iPod nano, iPod shuffle, and
iPod touch are trademarks of Apple Inc., registered in the U.S.
and other countries.
Lightning™ is a trademark of Apple Inc.
“Made for iPod” and “Made for iPhone” mean that an
electronic accessory has been designed to connect specifically
to iPod or iPhone, respectively, and has been certified by the
developer to meet Apple performance standards.
Apple is not responsible for the operation of this device or its
compliance with safety and regulatory standards.
Please note that the use of this accessory with iPod or iPhone
may affect wireless performance.
*2. Only an iPod/iPhone with a Lightning connector can be used
by connecting it to the Lightning connector on the top panel of
the CD receiver.
*3. This functionality might not be available depending on the
iPod/iPhone model or apps.
Radio
• FM tuner
• 30 FM presets
• RDS (Radio Data System)
• FM Auto Preset function
CD Player
• Play audio CDs, MP3 CDs (CD-R and CD-RW)
• RANDOM playback mode
• 2-mode repeat function (current track or all tracks)
USB Flash Drive
• MP3 playback from USB flash drives
Timer and Clock
• Programmable timer
• Sleep timer
• The alarm play function of the iPod/iPhone can
power-on the CD receiver and switch the input to
iPod/iPhone
*
3
7
Contents
Getting Started
Important Safety Instructions.....................................2
Precautions................................................................ 3
Package Contents .....................................................6
Using the Included Floor Pads for speakers.......... 6
Using the Remote Controller .................................6
Replacing the Battery ............................................6
Features ....................................................................7
Getting to Know the CD receiver ............................... 9
Top and Front Panels ............................................9
Display ................................................................. 10
Rear Panel...........................................................10
Remote Controller................................................ 11
Disc (Audio CD and MP3)
and USB Flash Drive (MP3) Notes .......................12
Connections
Connecting Speakers ..............................................13
Connecting FM Antenna..........................................14
Connecting an Outdoor FM Antenna ................... 14
Connecting Other Components ............................... 15
Connecting an Audio Playback Device................15
Connecting the Power Cord................................. 15
Basic Operations
Basic Operations .....................................................16
Turning On the CD receiver.................................16
Selecting the Input Source................................... 16
Adjusting the Volume...........................................16
Muting the CD receiver ........................................ 16
Using Headphones ..............................................16
Adjusting the Bass and Treble.............................16
Using Super Bass ................................................ 16
Changing the Display Brightness......................... 16
Playing CDs
Playing CDs.............................................................17
Playing CDs ......................................................... 17
Displaying CD Information ................................... 17
Selecting MP3 Files ............................................. 18
Displaying MP3 Information.................................19
Random Playback................................................ 19
Repeat Playback.................................................. 19
Playing Your iPod/iPhone
Playing Your iPod/iPhone ........................................20
Playing an iPod/iPhone via iPod Dock.................20
Playing an iPod/iPhone via USB..........................20
Controlling Your iPod/iPhone...............................21
Navigating the iPod Menus
with the Remote Controller................................21
Listening to the Radio
Listening to the Radio ..............................................22
Tuning into FM Radio Stations.............................22
Presetting FM Stations Automatically
(Auto Preset) .....................................................22
Presetting FM Stations Manually .........................23
Selecting Preset Stations.....................................23
Receiving RDS.....................................................23
Erasing Presets....................................................23
Playing a USB Flash Drive
Playing a USB Flash Drive ......................................24
Setting the CD Receiver
Setting the CD Receiver ..........................................24
Setting the Clock..................................................24
Setting Auto Standby (ASb) .................................24
Using the Timer
Using the Timer .......................................................25
Programming the Timer .......................................25
Turning Timer On and Off ....................................26
Using the Sleep Timer .........................................26
Timer Playback using the Alarm Play Function
of your iPod .......................................................26
Miscellaneous
Troubleshooting .......................................................27
Specifications...........................................................31
8
Getting to Know the CD receiver
Top and Front Panels
dcba
e fg
n
o
hi j lkm
For detailed information, see the pages in parentheses.
a 8 ON/STANDBY button (16, 25, 26, 27)
b INPUT button (16)
c Previous [7]/PRESET [e] button
(17, 21, 23)
d Next [6]/PRESET [r] button (17, 21, 23)
e Stop [2] button (17, 21, 27)
f Play/Pause [1/3] button (17, 18, 24)
g VOLUME [–]/[+] buttons (16, 21)
h Headphones [=] jack (16)
i USB port (24)
j Display
k Disc tray (17)
l Remote control sensor (6)
m Open/Close [0] button (17)
n Dock cover (20)
o iPod/iPhone Dock (20)
9
Getting to Know the CD receiver—Continued
Display
bc d e
a g
f
h
a SLEEP indicator
b Play 1 and Pause 3 indicators
c USB indicator
d FOLDER indicator
e S.BASS indicator
f MUTING indicator
g Playback mode indicators
ijklmn
Rear Panel
ab cd
h TIMER indicators
i Tuning indicators
j RDS indicator
k FILE indicator
l TRACK indicator
m Message area
n DISC, TOTAL, and REMAIN indicators
a FM ANTENNA jack
b LINE IN jacks
c SPEAKERS terminals
d AC INLET
See pages 13 to 15 for connection information.
10
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