Sony ICF-C730 User manual

SONY
Dual Alarm FM/AM Digital Clock Radio
3-750-876-23 (1)
ICF-C710
ICF-C730
Operating Instructions
Before operating the unit, please read this manual thoroughly
and retain it for future reference.
Owner’s Record
The model number is located on the bottom exterior and
serial number is on the bottom. Record the serial number in
the space provided below. Refer to these numbers whenever
you cail upon your Sony dealer regarding this product.
Model No. Serial No, —_______. _
Sony Corporation © 1989. Printed in Taiwan A.C
* Dual alarm FM/AM 2-band radio combined with an electric
digital alarm clock and sleep timer.
* Choice of awakening to radio alarm, buzzer alarm, or dual
alarm: Alarm A (radio) and B (buzzer).
* 24-hour alarm preset system automatically turns alarm on
at same time each day.
* DREAM BAR SNOOZE/SLEEP OFF (North American
model), REPEAT ALARM/SLEEP OFF (Australian model),
operable with a feather-light touch, offers functions, snooze
alarm and sleep timer turn off.
* You can preset 3 FM stations for easier tuning (only tor
ICF-C730).
© For private listening, this radio is equipped with an
@arphone jack.
*Fail-safe earphone jack: The alarm is heard through the
speaker when an earphone is connected.
*You can be awakened by a manuaily tuned station (wake
up station) even though you fell asleep to a preset station
the previous night (only for ICF-C730).
| This instruction manual covers (CF-C710 and ICF-C730. The ICF-
| C790 has preset function for easier tuning. When differences
occur, they are clearty described in the appropriate sections.
The illustrations used in this manual are of the ICF-C730.
Troubleshooting
Should any problem occur with the unit, make the following simple
checks to determine whether or not servicing is required.
It the problem persists, consult the nearest Sony dealer.
‘The clock does not show the correct time.
There has been an electrical power interruption.
‘The radio or buzzer alarm sound does not come on at the preset
ume.
Check the followings:
‘Is the current time correctly set?
Check the AM/PM indication
* Is the alarm time correctly set?
Check the AM/PM indication.
«Ia the function selector switch set correctly?
For radio alarm: set tc SINGLE ALARM [A|RADIO)
For buzzer alarm: set to SINGLE ALARM [/BUZZERI.
For dual alarm: set to DUAL ALARM [AJRADIOIBIBUZZER}.
+ For radio alarm, is the desired station tuned in?
ls the VOL control edjusted correctly?
It it is down completely, the alarm sound wiil not be heard. Be
sure to turn up the volume.
(ICF-C730)
DREAM MACHINE
Precautions
* Operate the unit only on 120 V AC, 60 Hz
240 V AC, 50 Hz (Australian model}.
¢ The nameplate indicating voltage, etc. is located on the
bottom exterior.
* Disconnect the cord by grasping the plug. Never pull it by
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 liquid or solid object fall into the unit, unplug
the unit and have it checked by qualified personnel before
operating it further.
* When the casing becomes soiled, clean it with a soft cloth
dampened with a mild detergent solution. Never use
abrasive cleansers or chemical solvents, as they may mar
the casing.
{f you have any question, please consult your nearest Sony
dealer.
Specifications
Radio section i, on a a <
Frequency range Others. Australian modet
"FM: 87.6 - 108 MHz FM: 87.6 - 107.5 MHz
AM: 530 - 1,710 kHz AM: 531 - 1,602 kHz
Antennas: FM: FM wire antenna
AM: Built-in ferrite bar antenna
Speaker Approx. 6.6 cm (2% inches) dia.
Power output 200 mW (at 10% harmonic distortion)
Output Earphone jack (mini jack)
Power requirements 120 V AC, 60 Hz
240 V AC, 50 Hz (Australian raodel)
For the power backup functior $V DC, one
6F22 battery +
Battery lite Approx. 80 hours, using Sony battery S-OO6P (U)
Dimensions Approx. 251 « 71x 158 mm (witlid)
(10 x 27/9 x 6% inches)
incl. projecting parts and controls
Weight Approx. 750 g (12 02) nat incl. battery
Design and specifications subject to change without notice.

To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
RISK OF ELECTRIC SHOCK ©
‘0 NOT OPEN
CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK.
DG NOT REMOVE COVER IOR BACK:
NC USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
This symboi 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.
This symbo! is intended to alert the user to
/ | the presence of important operating anc
maintenance (servicing) instructions in the
e literature accompanying the appliance.
“The graphical symbols are on the bottom enciosure.
| Weyer: | elt Me) Mm Orolalice)iy
|
|
is
3
OL TIME SET buttons (H/M) (reer) Bottom
[2] ALARM set buttons (A) RADIO, —_{18) Power beckup battery
{B) BUZZER) compartment
3) CLOCK set button (rear) fg] AC power cord
[4] Earphone jack (side) 20] FM wire antenna
(5) Speaker
(8) Time display
(7; Function selector switch
(OFF, SINGLE ALARM
AIRADIO), ‘BIBUZZER), DUAL
ALARM ‘ATRADIO[BIBUZZER))
‘8 DREAM BAR SNOOZE/SLEEP OFF bar
(North American model)
REPEAT ALARM/SLEEP OFF bar
(Australian model)
{9 SLEEP button
90 ALARM RESET/raci0 OFF
button
11] Dial ecale
12 FM PRESET tuning controls
(rear) (FM 1/FM 2/FM 3) (only
for ICF-C730)
13 TUNING control
34 BAND selector switch (FM/AM)
15 RADIO ON button (ICF-C710)
MANUAL (raDio ON) button
(WAKE UP STATION) (ICF-C730)
16] VOL (volume) contro!
17 FM preset (RADIO ON) buttons
(recall buttons) (FM1/FM2/FM3)
{only for ICF-C730).
Power Backup During Power Interruption
Battery instatiation
Power backup battery compartment
Be sure to install an optional 6F22 battery for the power
backup function. If the AC power supply is interrupted, the
battery supplies power to keep the clock operating and
holding the alarm time setting.
* During power interruption, the clock function is maintained
although illumination of the indicator goes off, but the
alarm sound does not come on.
* After a power interruption, the time shown in the display
window may not be always correct (it may gain or lose
about six minutes per hour}.
* This battery is only for clock operation and alarty memory
during power interruption. You cannot listen to te radio
with the battery. ;
When to replace the battery
Ta check the battery condition, unplug the AC power cord
from the wail outlet and ptug it in again after a few seconds.
If the time on the display is different from what it was before
you unplugged the AC power cord, replace the battery with a
new one.
Conceming the battery tife, see “Specifications”.
Caution
* Be sure to install the battery before disconnecting the AC power
cord.
* When the unit ia unplugged from the wail outiet for a long time, be.
‘Sure to remove the battery to avoid undue battery discharge and
unit damage trom battery pekage.

Radio Operation (manual Tuning)
Notes
The buzzer sound level 's fixed, and independent of the VOL
contrat.
* If the earphone is connected to the earphone jack. at the preset
time, the radio will sound from both the earphone and speaker,
and the buzzer will sound only from the speaker.
The radio or buzzer will sutomatically sound at the preset
time, and automatically turn itself off after 59 minutes,
unless ¢t is turned off manually.
To turn off the alarm manually, press the ALARM
RESET/RADIO OFF button. The alarm will sound at the
regular preset time on the following day.
Snooze Alarm Function
if you awake to the radio or buzzer but want to doze for a
few more minutes, just jightly press DREAM GAR SNOOZE/
SLEEP OFF (North American model) or REPEAT ALARM/
SLEEP OFF (Australian model). The radio or buzzer will be
silenced but will automaticaily come on againg after about
eight minutes. If you want to doze more. press the bar again.
Notes
* You can reset the alarm lime while activating the snooze function.
* To cancei the alarm before the alarm time, press the ALARM
RESET/RADIO OFF button.
* To read out instantly the alarm preset time, press the ALARM set
button {AJRADIC! or BIBUZZER].
1 Press the MANUAL (naDio ON) button (ICF-C730), or:
RADIO ON button (ICF-C710),
2 Tum a little to get sound.
3 Choose the desired band.
4 Tune in the desired station.
5 Adjust volume.
To turn off the radio, press the ALARM RESET/Ra0I0 O!
button.
For Improved Reception
FM: Extend the FM wire antenna fully to increase the FN
sensitivity.
AM: Since the reception is affected by the direction of thi
radio, rotate the unit horizontally for optimum recepti
You can fall asleep to the radio sound knowing that the”
wilt turn itsetf off after the preset time period has elapse
Tune in the desired station after pushing the MANU
button (ICF-C730}, of the RAMIO ON button (ICF-C71
Or select the statlonby pressing the FM 1, FM 2 or F
button (1CF-C730).
2 Adjust volume.
3 Preas the SLEEP button to set the sleep timer
operation time.
The radio will be turned on tor 59
minutes. 'S g
Keep the SLEEP button pressed
to reduce the time sequence by
one minute. Ge : 5a
mono)
i
[a
To turn oft the radio before the preset time elapses,
Press the DREAM BAR SNOOZE/SLEEP OFF bar (whic!
cancels the SLEEP function).
Note
* If you press the MANUAL, FM 1, FM 2 or FM 3 button, after t
SLEEP button has been pressed, the sleep timer function will
released.
* The alarm tunction does not work while the sleep timer is on.
“To Use Both Sleep Timer and Alarm Func
1 Set the alarm. (See "How to Set the Alarm’’.)
2 Set the sleep timer. (See ‘How to Use the Sleep Tir
3 Set the function selector switch to SINGLE ALARM
‘AIRADIO), SINGLE ALARM [BIBUZZER' or DUAL ALAR
IRADIONBIBUZZER).
You can fall asleep to the radio sound and you will b
awakened by the radio/buzzer alarm at the preset tit

How to Set the Cioc
Example: To set to 8:15 AM
Hm lO:d f ow
{only tor ICF-C730}
1 Connect the AC power cord to a wall outlet.
Figures will appear and begin to blink.
2 Adjust the clock to the current time with the TIME SET
buttons, H (hour) and M (minute}, while holding down
the CLOCK set button.
AM 12:00
PM 12:00
midnight
noon
The hour and minute digits advance independently. The
minute digits return to ‘“'00"' atter reaching "59"
Zero second adjustment
Exampte: To set to 8:15 AM
1 Adjust the time to 8:14 AM as previously described.
2 Press CLOCK set button and M button simultaneously with
the radio or telephone time signal, and then release.
To advance the minute digits rapidity
Press the H and the M button continuously while holding
down the CLOCK set button.
Preset Tuning Once you preset desired stations. you can tune them in by simple operation
How to Set the Alarm
“How to Preset
You can preset up to 3 FM stations (one station for each FM
1, FM 2 and FM 3 buttons).
1 Press FM 1 button.
2 Turn a Jittle to get sound.
3 Tune in the desired FM station with the use of FM 1
preset tuning control.
The station is now preset.
4 Ajuat voiume.
Preset on FM 2 and FM 3 in the same way.
Note:
No frequencies indicators appear on the display,
To change the preset atation
Preset a new station on a desired button.
To Tune in a Preset Station.
The desired FM stations will be received simply by pressing
FM 1, FM 2, and FM 3 buttons after presetting. You do not
need to press the MANUAL button or select the band.
To turn oft the radio, press the ALARM RESET/Rao10 OFF
button.
For private fistening, connect an earphone to the earphone |
Regarding the radio alarm, you can be awakened by a
manually tuned station, but cannot be awakened by a preset
station.
_
Set the alarm time for radio or buzzer.
Set the radio alarm time with TIME SET 4 and M while
holding down ALARM ‘A[RADIO).
Set the buzzer alarm time with TIME SET H and M
while holding down ALARM B/BUZZER .
To advance the digits rapidly
Press the H and the M button continuously while holding
down the ALARM set button.
2 Set the function selector switch to the desired alarm
position: SINGLE ALARM . }, SINGLE ALARM
ZEA], or DUAL ALARM Al I
For radio alarm
Press the MANUAL button (ICF-C730}, or the RADIO ON
button (ICF-C710} and tune in the desired station and adjus
volume as described in “Radio Operation (Manual Tuning)’
For dual alerm
If you set the radio and the buzzer to the same time, only
the radio sound wilt be heard.
It the buzzer aiarm is set to the time before the radio alarr
stops, the alarm shifts trom radio to buzzer at the alarm
preset time. and vice versa.
t