background image

ICF-CD837_

2-580-555-

41

(1)_CA2

ICF-CD837_

2-580-555-

41

(1)_CA2

FM/AM

CD Clock Radio

2-580-555-

41

(1)

©2009  Sony Corporation   Printed in China

ICF-CD837

Operating Instructions
Mode d’emploi (au dos)

English

WARNING

To reduce the risk of fire or electric shock, do 

not expose this apparatus to rain or 

moisture.

To reduce the risk of fire, do not cover the ventilation of 

the apparatus with newspapers, tablecloths, curtains, etc. 

And do not place lighted candles on the apparatus.
To reduce the risk of fire or electric shock, do not expose 

this apparatus to dripping or splashing, and do not place 

objects filled with liquids, such as

vases, on the apparatus.
As the main plug is used to disconnect the unit from the 

mains, connect the unit to an easily accessible AC outlet. 

Should you notice an abnormality in the unit, disconnect 

the main plug from the AC outlet immediately.
The unit is not disconnected from the AC power source 

(mains) as long as it is connected to the wall outlet, even 

if the unit itself has been turned off.
Do not install the appliance in a confined space, such as a 

bookcase or built-in cabinet.
The nameplate and important information concerning 

safety are located on the bottom exterior.

CAUTION

The use of optical instruments with this product will 

increase eye hazard.

Features

 Built-in CD player with CD-R/RW playback function

 Easy to see large green LED display with variable 

brightness control function

 Wake to any track of a CD, Radio or Buzzer (dual 

alarm)

 Easy nap timer -one push operation

 Extendable snooze time from 10 to 60 minutes

 Various CD play modes with Shuffle/Repeat function

Changing the brightness 

of the clock display

Turn 

BRIGHTNESS

 to adjust the brightness of the clock 

display.

Setting the clock

1

  Plug in the unit. 

The display will flash “AM 12:00”.

2

  Press 

CLOCK SET/TRACK

 for a few seconds.

You will hear a beep and the hour will start to flash 

in the display.

3

  Press 

TIME SET

 + or – until the correct hour 

appears in the display.

4

  Press 

CLOCK SET/TRACK

 once.

5

  Repeat steps 

3

 and 

4

 to set the minute.

After setting the minute, press 

CLOCK SET/TRACK

 

to start the counting of the seconds, and you will 

hear two short beeps.

 To set the current time rapidly, hold down 

TIME SET

 + 

or –.

 In step 

5

, when you press 

CLOCK SET/TRACK

 after the 

minute setting to activate the clock, the seconds start 

counting from zero.

Playing a CD

An 8 cm (3-inch) CD can be played without an adaptor.

1

  Push 

 

PUSH OPEN/CLOSE

 to open the CD 

compartment lid and place a disc.

2

  Close the CD compartment lid.

Close the lid.

Push.

Labeled surface up.

3

  Press 

CD

 

.

The CD/RADIO indicator lights up and “TRACK 

01” appears in the display to indicate that track 1 of 

the CD is playing.

After you press CD 

, it takes about 10 

seconds before the music starts. The indication 

in the display returns to the current time after 

about 4 seconds.

4

  Turn 

VOLUME

 to adjust the volume.

To

Press

Pause

CD 

Resume play after pause

CD 

 again

Locate the beginning of the 

current track (AMS*)

**

Locate the next track (AMS)

**

Go back at high speed

Hold down 

**

Go forward at high speed

Hold down 

**

Locate the previous track (AMS)

 repeatedly**

Locate the succeeding track (AMS)

 repeatedly**

Stop play

OFF 

*  AMS = Automatic Music Sensor

** These operations are possible during both play and 

pause.

 During CD playback, every time you press 

CLOCK 

SET/TRACK

, the current time and the track number 

appear in the display alternately.

About CD-Rs/CD-RWs

This unit is compatible with CD-Rs/CD-RWs but 

playback capability may vary depending on the quality of 

the disc, the recording device and application software.

Music discs encoded with copyright 
protection technologies

This product is designed to play back discs that conform 

to the Compact Disc (CD) standard.

Recently, various music discs encoded with copyright 

protection technologies are marketed by some record 

companies. Please be aware that among those discs, there 

are some that do not conform to the CD standard and 

may not be playable by this product.

To handle compact discs

Correct

Handle the disc by its edge.

Incorrect

Do not touch the surface.

Do not stick paper or tape nor 

write anything on the surface.

Notes

 Discs with non-standard shapes (e.g., heart, square, 

star) cannot be played on this unit. Attempting to do so 

may damage the unit. Do not use such discs.

 If you press CD 

 when there is no disc in the CD 

compartment, “00” flashes for about 5 seconds on the 

display and the unit turns off automatically.

Various modes of CD playback

You can play tracks repeatedly or in random order. 

Slide 

CD PLAY MODE

As you slide CD PLAY MODE, the play mode changes as 

follows:

Legend on CD
PLAY MODE

“NORMAL”

Play mode

(normal play)

All the tracks are played once.

“REPEAT”

(all repeat)

All the tracks are played repeatedly.

“SHUFFLE”

(shuffle play)

All the tracks are played once in random order.

“SHUFFLE REPEAT”

(shuffle repeat)

All the tracks are played repeatedly in random order.

Playing the radio

1

  Press 

RADIO•ON

 to turn on the radio.

The “CD/RADIO” indication will light up.

2

  Adjust 

VOLUME

.

3

  Select the 

BAND

.

4

  Tune in a station using the 

TUNING

 dial.

 To turn off the radio, press 

OFF

 

ALARM RESET

.

Improving the reception

FM

:   Extend the FM wire antenna to improve reception.

AM

:  Rotate the unit horizontally for optimum reception. 

A ferrite bar antenna is built into the unit.

Do not operate the unit over a steel desk or metal 

surface, as this may lead to interference of reception.

Setting the alarm

This clock radio is equipped with 3 alarm modes— CD, 

radio and buzzer. Before setting the alarm, make sure to 

set the clock (see “Setting the clock”). This unit is also 

equipped with a dual alarm function. You can set the 

alarm for two different times ALARM SET A and 

ALARM SET B.

To set the alarm time

1

  If you will select the CD alarm or radio alarm, 

adjust the volume. Also, if you will select the 

radio alarm, tune in to the desired station.

2

  Set the 

ALARM MODE

 selector to 

CD

RADIO

 or 

BUZZER

. The 

ALARM A

 or 

ALARM B

 indicator lights up.

3

  Press 

ALARM SET A

 or 

ALARM SET B

 for a 

few seconds. The 

ALARM A

 or 

ALARM B

 

indicator flashes, depending on which one you 

set.

After one beep, the hour will start to flash in the 

display.

4

  Press 

TIME SET

 

+

 or 

 until the desired hour 

appears.

To set the hour rapidly, hold down 

TIME SET

 

+

 or 

.

5

  Press 

ALARM SET

.

The minute will flash.

6

  Repeat step 

4

 to set the minute and press 

ALARM SET

.

The wake-up track number flashes on the display.

7

  IF you selected the CD alarm, press 

TIME SET

 

+

 or 

 select the desired wake-up track 

number.

The wake-up track number can be set up to 99. Its 

default value is “01”.

8

  Press 

ALARM SET

.

Two short beeps confirms the setting, and the 

ALARM A or ALARM B indicator lights up.

For the CD alarm, the track you specified as the Wake-up 

track is played first.

(If the CD play mode is set to “

SHUFFLE

” or “

SHUFFLE 

REPEAT

”, however, all the tracks are played in random 

order.)

To check the alarm time

Press 

ALARM SET A

 or 

ALARM SET B

. The display 

shows the alarm time.

If you press 

ALARM SET A

 or 

ALARM SET B

 again, the 

indication changes to the wake-up track number. After a 

few seconds, the display returns to the current time.

 Alarm time in CD alarm, radio alarm and buzzer 

alarm is set at PM 12:00 when you purchased the unit.

ALARM ON

For the CD alarm, the track you specified as the Wake-up 

track is played first.

(If the CD play mode is set to “

SHUFFLE

” or “

SHUFFLE 

REPEAT

”, however, all the tracks are played in random 

order.)
If you set the CD alarm when there is no disc in the CD 

player or the CD compartment lid is open, the buzzer 

alarm will sound at the set time.
For the radio alarm, the station that the tuning dial is set 

to will be received.
For the buzzer alarm, the beeping of the alarm becomes 

more rapid after every few seconds in three progressive 

stages.

Note

When ALARM A and ALARM B are set for the same 

time, only ALARM A will result.

To doze for a few more minutes

Press 

SNOOZE/SLEEP

 

OFF

.

The CD, radio or buzzer alarm turns off but will be 

automatically activated again after about 10 minutes.

Every time you press 

SNOOZE/SLEEP

 

OFF

, the snooze 

time changes as follows:

10

20

50

60

30

40

The display shows the snooze time for a few seconds and 

returns to show the current time. When you press 

SNOOZE

/

SLEEP OFF

 after the current time appeared, 

the snooze time starts from 10 minutes again.

 The maximum length of the snooze time is 60 minutes.

ALARM OFF

The alarm is turned off automatically after 60 minutes.

To stop the alarm

Press 

OFF

 

•ALARM RESET

 to turn off the alarm.

The alarm will come on again at the same time the next 

day.

To deactivate the alarm

Set the 

ALARM MODE

 selector to 

OFF

.

ALARM A

 or 

ALARM B

 indicator go off.

Using the NAP timer 

(count down timer)

The NAP timer sounds the buzzer after a present time 

duration.
Press 

NAP

 repeatedly until the desired minutes is 

displayed.

Each press changes the display as follows:

10

20

90

120

60

30

OFF

(current time)

The NAP indicator turns on, and the NAP time is 

displayed for a few seconds. NAP timer starts counting 

down the NAP time.

When selected NAP time has passed, the beep sound 

comes on, and the NAP indicator flashes.

To Stop NAP timer

Press 

NAP

 or 

OFF

 

 

•ALARM RESET

 to turn off the 

buzzer.

To deactivate NAP timer

Press 

NAP

.

The NAP indicator goes off.

Setting the sleep timer

You can fall asleep to the radio or CD using the built-in 

sleep timer that turns off the CD or the radio 

automatically after a preset duration.
Press 

SLEEP

 during CD or radio play.

You can set the sleep timer to durations of 90, 60, 30, or 

15 minutes. Every push changes the display as follows:

OFF (current time)

90

60

30

15

The CD or the radio will play for the time you set, then 

shut off.

 To turn off the CD or radio before the preset time, 

press 

SNOOZE/SLEEP OFF

.

To use both the sleep timer and 

the alarm

You can fall asleep to the CD or the radio and be 

awakened by the CD, radio or buzzer alarm.

1

  Set the alarm (See “Setting the alarm”.)

2

  Set the sleep timer (See “Setting the sleep 

timer”.)

Precautions

 Operate the unit on the power source specified in the 

“Specifications.”

 To disconnect the power cord (mains lead), pull it out 

by the plug, not the cord.

 Do not leave the unit in a location near a heat source 

such as a radiator or airduct, or in a place subject to 

direct sunlight, excessive dust, mechanical vibration, or 

shock.

 Allow adequate air circulation to prevent internal heat 

build-up. Do not place the unit on a surface (a rug, a 

blanket, etc.) or near materials (a curtain) which might 

block the ventilation holes.

 Should any solid object or liquid fall into the unit, 

unplug the unit and have it checked by a qualified 

personnel before operating it any further.

 To clean the casing, use a soft cloth dampened with a 

mild detergent solution.

 Do not connect the antenna lead to the external 

antenna.

If you have any questions or problems concerning 

your unit, please consult your nearest Sony dealer.

Troubleshooting

Should any problem persist after you have made the 

following checks, consult your nearest Sony dealer.

The clock does not show the correct time.

 Has an electrical power outage lasting more than one 

minute occurred?

The CD, radio or buzzer alarm does not sound at the 

preset alarm time.

 Is the 

ALARM

 indicator light on?

The radio alarm is activated but no sound comes on 

at the preset alarm time.

 Is the 

TUNING

 dial set to a receivable radio station?

 Has 

VOLUME

 been adjusted ?

The CD player does not operate.

 Did you close the CD lid?

 Did you place the disc correctly? The disc should be 

placed with the labeled side up.

 Dusty or defective disc — Clean the disc with an 

optional cleaning cloth. Wipe the disc from the center 

out.

 Take out the CD and leave the CD compartment open 

for about an hour to remove moisture condensation.

Sporadic loss of sound in CD operation.

 Dusty or defective disc — Clean or replace the disc.

 Volume too high — Reduce the volume.

 Strong vibration.

Specifications

CD player section

System:

Compact disc digital audio system

Laser diode properties:

Material: GaAlAs

Wavelength: 780 nm

Emission duration: Continuous

Laser output: Less than 44.6 μW

(This output is the value measured at a distance of 

about 200 mm from the objective lens surface on the 

optical pick-up block with 7mm aperture.)

Frequency response:

20-20 000 Hz 

+1

–1.5

 dB

Wow and flutter:

Below measurable limit

Radio section

Frequency range:

FM: 87.5-108 MHz

AM: 530-1 710 kHz

General

Time display:

12-hour system

Speaker:

66 mm (2 

5

/

8

 inches) dia., 8Ω

Power outputs:

1 W + 1 W (at 10% harmonic distortion)

Power requirements:

120 V AC, 60 Hz

Dimensions:

Approx. 246 × 96 × 210 mm (w/h/d)

(Approx. 9 

3

/

4

 × 3 

7

/

8

 × 8 

3

/

8

 inches) incl. projecting 

parts and controls

Mass:

Approx. 1 750 g (3 lb 86 oz)

Design and specifications are subject to change without 

notice.

REPEAT

SHUFFLE

SHUFFLE REPEAT

NORMAL

HIGH

BRIGHTNESS

CD  PLAY  MODE

LOW

BAND

AM

FM

VOLUME

TUNING

AL

A

R

M

RE

SET

SNOOZE/

SLEEP OFF

BUZZER

RADIO

CD

OFF

TIME SET

NAP

SLEEP

CD

RADIO

ON

OFF

CLOCK

SET/

TRA

CK

ALA

RM

PUSH

AL

ARM

MODE

B

A

TRACK

ALARM

PM

AM

A

B

ALARM SET A

ALARM SET B

ALARM MODE 

selector

The CD button has a tactile dot.

AC power cord

FM wire antenna

CD/RADIO indicator 

NAP indicator

There is a tactile dot 

beside volume to show 

the direction to turn up 

the volume.

Display window

Dream Machine is a trademark of Sony Corporation.
Dream Machine est une marque de fabrique de Sony Corporation.

Summary of Contents for ICF-CD837

Page 1: ...io 2 580 555 41 1 2009 Sony Corporation Printed in China ICF CD837 Operating Instructions Mode d emploi au dos Dream Machine is a trademark of Sony Corporation Dream Machine est une marque de fabrique de Sony Corporation ...

Page 2: ...paratus As the main plug is used to disconnect the unit from the mains connect the unit to an easily accessible AC outlet Should you notice an abnormality in the unit disconnect the main plug from the AC outlet immediately The unit is not disconnected from the AC power source mains as long as it is connected to the wall outlet even if the unit itself has been turned off Do not install the applianc...

Page 3: ...display Setting the clock 1 Plug in the unit The display will flash AM 12 00 2 Press CLOCK SET TRACK for a few seconds You will hear a beep and the hour will start to flash in the display 3 Press TIME SET or until the correct hour appears in the display 4 Press CLOCK SET TRACK once 5 Repeat steps 3 and 4 to set the minute After setting the minute press CLOCK SET TRACK to start the counting of the ...

Page 4: ...O F F TIME SET NAP SLEEP CD RADIO O N O F F C LO C K S E T TR A C K ALA R M PUSH A L ARM MODE B A TRACK ALARM PM AM A B ALARM SET A ALARM SET B ALARM MODE selector The CD button has a tactile dot AC power cord FM wire antenna CD RADIO indicator NAP indicator There is a tactile dot beside volume to show the direction to turn up the volume Display window ...

Page 5: ...ication in the display returns to the current time after about 4 seconds 4 Turn VOLUME to adjust the volume To Press Pause CD Resume play after pause CD again Locate the beginning of the current track AMS Locate the next track AMS Go back at high speed Hold down Go forward at high speed Hold down Locate the previous track AMS repeatedly Locate the succeeding track AMS repeatedly Stop play OFF AMS ...

Page 6: ...ted by some record companies Please be aware that among those discs there are some that do not conform to the CD standard and may not be playable by this product To handle compact discs Correct Handle the disc by its edge Incorrect Do not touch the surface Do not stick paper or tape nor write anything on the surface Notes Discs with non standard shapes e g heart square star cannot be played on thi...

Page 7: ...ET B for a few seconds The ALARM A or ALARM B indicator flashes depending on which one you set After one beep the hour will start to flash in the display 4 Press TIME SET or until the desired hour appears To set the hour rapidly hold down TIME SET or 5 Press ALARM SET The minute will flash 6 Repeat step 4 to set the minute and press ALARM SET The wake up track number flashes on the display 7 IF yo...

Page 8: ...P indicator goes off Setting the sleep timer You can fall asleep to the radio or CD using the built in sleep timer that turns off the CD or the radio automatically after a preset duration Press SLEEP during CD or radio play You can set the sleep timer to durations of 90 60 30 or 15 minutes Every push changes the display as follows OFF current time 90 60 30 15 The CD or the radio will play for the ...

Page 9: ...o remove moisture condensation Sporadic loss of sound in CD operation Dusty or defective disc Clean or replace the disc Volume too high Reduce the volume Strong vibration Specifications CD player section System Compact disc digital audio system Laser diode properties Material GaAlAs Wavelength 780 nm Emission duration Continuous Laser output Less than 44 6 μW This output is the value measured at a...

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