About the backup
To keep good time, as backup power source, this unit
has one CR2032 battery inside of the unit in addition
to the house current (The battery is supplied with the
unit for Australian model.).
The battery keeps the clock and the alarm operating in
the event of a power interruption.
Knowing when to replace
When the battery becomes weak, "E" indicator
appears in the display.
In the event of a power interruption when the battery
is weak, current time and alarm functions will be
Replace the battery with a Sony CR2032 lithium
battery. Use of another battery may present a risk of
fire or explosion.
Note for customers in the UK
The clock is preset at the factory, and its memory is
powered by the preinstalled Sony CR2032 battery.
If the "AM 12:00" flashes on the display when the
unit is connected to AC outlet for the first time, the
battery may be weak. In this case, consult a Sony
dealer. The preinstalled CR2032 battery is considered
part of the product, and is covered by the warranty.
You are required to show "Note for customers in the
UK" (in this instruction) to a Sony dealer in order to
validate the warranty for this product.
Installing and replacing the
Keep the AC plug connected to the AC
outlet, remove the screw that secures the
battery compartment at the bottom of the
unit using a screwdriver, and remove the
battery compartment. (See Fig. A-1)
Insert a new battery in the battery
compartment with the e side facing up.
To remove the battery from the battery
compartment, push it out from the side marked
PUSH. (See Fig. A-2)
Insert the battery compartment back into the
unit and secure it with the screw.
(See Fig. A-3)
When you are replacing the battery, press
RADIO ON to turn "E" indicator off in
If you replace the battery, do not disconnect AC plug
from AC outlet.
Otherwise, current time and alarm will be initialized.
NOTES ON LITHIUM BATTERY
• Keep the lithium battery out of the reach of children.
Should the battery be swallowed, immediately
consult a doctor.
• Wipe the battery with a dry cloth to assure a good
• Be sure to observe the correct polarity when
installing the battery.
• Do not hold the battery with metallic tweezers,
otherwise a short-circuit may occur.
• Do not expose the battery to excessive heat such as
direct sunlight, fire or the like.
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the equipment manufacturer.
When the unit will be left unplugged for a long time,
remove the battery to avoid undue battery discharge
and damage to the unit from battery leakage.
Setting the clock
for the first time
(UK model only)
This unit is preset to the current date and time at the
factory, and is powered by the back up battery. All
you need to do the first time is just plug it in.
Plug in the unit.
"month and date" (about 1 second) t "year" (about 1
second) t "current time" appears in the display in turn.
During the shipment and your first use, a clock error
may occur. In this case, refer to "Setting the clock and
date" to set the correct time.
When daylight saving time
(summer time) begins
The following models employ the Automatic Daylight
Saving Time/Summer Time adjustment. The DST
indicator in the display appears in the display at the
beginning of the daylight saving time (summer time),
and disappears at the end of it.
Automatic DST/Summer Time adjustment is based on
GMT (Greenwich Mean Time).
• Summer time begins at: 1:00 AM on the final
Sunday of March.
• Standard time begins at: 2:00 AM on the final
Sunday of October.
To cancel the Automatic DST/
Summer Time adjustment and
to set DST display manually
The Automatic DST/Summer Time adjustment can be
Press and hold DST for more than 3 seconds
while the clock is displayed.
A beep sounds, and "Aut t OFF" appears in the
display to show that the Automatic DST/Summer
Time adjustment is cancelled. The display returns to
• The change timing of Automatic DST/Summer
Time adjustment employed by the unit (see above)
is subjected to variation by circumstances and the
law in each country/region. In such a case, cancel
the Automatic DST/Summer Time adjustment and
set DST display manually as necessary. The
customer who lives in the country/region that has
not introduced the daylight saving time (summer
time) must cancel Automatic DST/Summer Time
adjustment before using the set.
• To activate the Automatic DST/Summer Time
adjustment again, press and hold DST for more than
3 seconds. A beep sounds, and "Aut t On" appears
in the display to show that the Automatic DST/
Summer Time adjustment is activated. The display
returns to the clock.
• To change the display to the daylight saving time
(summer time) manually, see "To change the display
to the daylight saving time (summer time)
Setting the clock
Follow the procedure from step 1 for Australian
model. To change the setting for UK model, follow
the procedure from step 2.
Plug in the unit.
The display will flash "AM 12:00".
Press CLOCK for more than 2 seconds.
You will hear a beep and the year will start to
flash in the display.
Press + or – until the correct year appears
in the display.
Repeat steps 3 and 4 to set the month, day
After setting the time, two short beep sound and
the clock starts from 0 seconds.
• Pressing and holding + or – changes the year, month
or day rapidly.
When setting the current time, time changes rapidly
by 1 minute-increments up to 10 minutes, and then
by 10 minute-increments.
• While setting the clock, you must perform each step
within 65 seconds, or the clock setting mode will be
To display the year and date
Press SNOOZE/DATE/SLEEP OFF once
for the date, and within about 3 seconds press it
again for the year.
The display shows the date or year for about 3
seconds and then changes back to the current time.
If you connect the AC plug to AC outlet while this
unit is powered from the backup power source, the
current date and time appears in the following order.
(It is same as when the unit is powered on after the
"month and date" (about 1 second) t "year" (about 1
second) t "current time"
To change the display to the
daylight saving time (summer
Change the daylight saving time (summer time)
adjustment setting according to the following
– you have Australian model.
– you have cancelled the Automatic DST/Summer
DST indicator appears in the display and the time
indication changes to the daylight saving time
To deactivate the daylight saving time (summer time)
adjustment, press DST again.
brightness of the
Three levels of brightness are available by
High (default) t Middle t Low
Operating the radio
Press RADIO ON to turn on the radio.
Adjust volume using VOLUME.
Tune in to a station using TUNING.
To turn off the radio
Press RADIO OFF/ALARM RESET.
Extend the FM wire antenna fully to increase
Rotate the unit horizontally for optimum reception.
A ferrite bar AM antenna is built-in to 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
The dual alarm function allows you to set two alarm
programs (ALARM A and ALARM B).
The alarm time can be set for each program and the
alarm sound is selectable from RADIO or BUZZER.
• Before setting the alarm, make sure to set the clock
(see "Setting the clock and date").
• The factory setting alarm time is "PM 12:00".
• To set the radio alarm, first tune in to a station and
adjust the volume (see "Operating the radio").
• When you set the buzzer alarm, set ALARM
VOLUME to LOW or HIGH.
To set the alarm time
Set ALARM A (or B) to the desired
alarm sound (RADIO or BUZZER).
The alarm time appears for a few seconds, and
A (or B) indicator lights up in the
display. (It does not appear when the switch is set
Turn ALARM TIME SET A (or B) +
or – to set the desired time.
Each turn of ALARM TIME SET A (or B) + or
– changes the indication by 1 minute. If you turn
and hold ALARM TIME SET A (or B) + or –,
the alarm time goes forward (or backward) by 1
minute up to 10 minutes, and then by 10 minutes
increments. While setting the alarm time, the
A (or B) indicator flashes in the display.
The following example is when setting the
When the alarm time setting operation is
complete, the display returns to the clock after a
few seconds and the
A (or B) indicator
changes from flashing to fully lit.
• While ALARM A (or B) is set to RADIO or
BUZZER, the alarm time setting can be changed by
ALARM TIME SET A (or B).
One turn of ALARM TIME SET A (or B) displays
the alarm time for about 4 seconds. By turning
ALARM TIME SET A (or B) while the alarm time
appears in the display, the alarm time will be
A (or B) indicator flashes in the display
– The alarm time appears in the display.
– The alarm sounds.
– Snooze function is turned on.
• The alarm time setting cannot be changed if
ALARM A (or B) is set to OFF. If ALARM TIME
SET A (or B) is turned, "OFF" appears in the
display for about 0.5 seconds.
• If a second alarm sounds during a first (or the
snooze function is active), the second alarm takes
• CLOCK and DST are unavailable while the alarm
sounds or snooze function is turned on.
• The ALARM VOLUME setting works together with
the beep sound volume. If the ALARM VOLUME
is set to LOW, the beep sound will be also set to
• The alarm function works as usual at the beginning
and end day of the daylight saving time (summer
time). While the Automatic DST/Summer Time
adjustment is set (excerpt for Australian model), as a
result, if the alarm is set at a time skipped when the
daylight saving time (summer time) begins, the
alarm is skipped, or if the alarm is set at a time
overlapped when the daylight saving time (summer
time) ends, the alarm sounds twice.
• If the same alarm time is set for both alarm
(ALARM A and B), the ALARM A takes priority.
To doze for a few more minutes
Press SNOOZE/DATE/SLEEP OFF.
The sound turns off but will automatically come on
again after about 10 minutes. Each time you press
SNOOZE/DATE/SLEEP OFF, the snooze time
changes as follows:
The maximum length of the snooze time is
The display shows the snooze time for about
4 seconds and returns to show the current time. When
you press SNOOZE/DATE/SLEEP OFF after the
current time appears, the snooze time starts from 10
To stop the Alarm
Press RADIO OFF/ALARM RESET to
turn off the alarm.
The alarm will come on again at the same time the
If RADIO OFF/ALARM RESET is not pressed, the
alarm sounds continuously for about 60 minutes, and
then it will be stop automatically.
To deactivate the Alarm
Turn ALARM A (or B) to OFF.
A (or B) indicator disappears from the display.
Note on alarm in the event of a power
In the event of a power interruption, alarm functions
work until the battery is empty. But following
functions are different:
• Display will disappear.
• When the alarm sound is set to RADIO, it will
change to BUZZER automatically.
• If the power returns while the alarm sounds, the
alarm sounds continuously for about 60 minutes
when the power returns.
• The alarm buzzes for about one minute, stops
temporarily, and will buzz again after about five
minutes if neither SNOOZE/DATE/SLEEP OFF
or RADIO OFF/ALARM RESET are pressed
while the alarm is buzzing.
If the alarm buzzes and stops (either automatically
after 1 minute or by pressing SNOOZE/DATE/
SLEEP OFF) five times, the alarm is automatically
reset in the case of a power interruption. The alarm
will buzz for 30 minutes after power is resumed if
the power is resumed within 60 minutes from the
• If you press SNOOZE/DATE/SLEEP OFF while
the alarm sounds, snooze time is set to 10 minutes.
During a power failure, snooze time cannot be set to
more than 10 minutes.
• If "E" indicator appears in the display, the alarm
will not work in the event of power interruption.
Replace the battery if "E" indicator appears.
Setting the sleep
You can fall asleep to the radio using the built-in
sleep timer that turns off the radio automatically after
a preset duration.
The radio turns on. You can set the sleep timer to
durations of 90, 60, 30, or 15 minutes. Each press
changes the display as follows:
Two short beeps sound when the display returns to
The radio will play for the duration you set, then shut
To turn off the radio before the
Press RADIO OFF/ALARM RESET or
To use both sleep timer and
You can fall asleep to the radio and also be awakened
by the radio or buzzer alarm at the preset time.
Set the alarm. (See "Setting the alarm".)
Set the sleep timer. (See "Setting the sleep