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Please read this user’s guide before
installing, setting up and using your new product
www.radioshack.com
Thank you for purchasing your Worldwide Atomic Clock
from RadioShack. It receives signals from atomic clock
generators so you will always know the exact time. Your
clock automatically updates to the current local time
when you travel, and you can set it to automatically
update for Daylight Savings Time. The clock’s display
shows your home time, the local time (wherever you are
currently located), time zone, temperature, and day of
the week.
Depending on your location, you may or may not
receive an atomic clock signal. If you install batteries
and the signal strength indicator (
Ê
) does not appear,
you are in an area that does not receive a signal
from an atomic clock. See “in regions not receiving
an atomic clock signal”.
in regions receiving an atomic clock signal
The sequence for setting your clock in a region
receiving an atomic clock signal generator is:
1) automatic signal detection
2) select a city or time zone
3) set the home time
automatic signal detection
1. After batteries are installed, the clock starts
searching for an atomic clock signal and Ê
flashes.
2. In about 10 minutes, one of the following
abbreviations appears momentarily to indicate
the atomic clock from which you are receiving a
signal:
Region Abbreviation
USA US
UK UK
North Japan JP
Europe EU
South Japan JP
3. The local time, date, month and year are
automatically set and briefly appear on the
display.
Notes:
• During automatic signal detection, you cannot manually
set the time. To override signal detection and manually
set the time, hold down MODE, ON/OFF and SNOOZE until Ê
stops flashing.
• For best reception, keep the clock away from equipment
that emits RF or microwave signals, such as TVs, radios,
or microwaves.
• You may need to position your clock near a window for
best reception.
• The most dependable and clear signal is received at
night, between midnight and 4am local time.
• The clock receives an atomic signal update every 24
hours and will update accordingly for your location.
select a city or time zone
There are 32 cities and four US time zones stored
in your clock. Each city is represented by an
abbreviated name, and it’s GMT (Greenwich Mean
Time). GMT refers to that city or region’s time
relative to the International Date Line. For example,
Honolulu is ten hours behind (-10), and Tokyo is nine
hours ahead (+9) of the International Date Line.
1. Press MODE three times. An abbreviation flashes.
2. Press UP to scroll until you see your home city. If
your home city is not listed, select the city listed
that is in your time zone.
Abbrev GMT City Abbrev GMT City
HNL -10 Honolulu LON 0 London
THR +3.5 Tehran HKG +8 Hong Kong
ANC -9 Anchorage PAR +1 Paris
DXB +4 Dubai PEK +8 Beijing
PST -8 Pacific (USA) AMS +1 Amsterdam
KBL +4.5 Kabul TPE +8 Taipei
MST -7 Mountain
(US)
FRA +1 Frankfurt
KHL +5 Karachi TYO +9 Tokyo
CST -6 Central (USA) CAI +2 Cairo
DEL +5.5 New Delhi ADL +9.5 Adelaide
EST -5 Eastern
(USA)
JRS +2 Jerusalem
DAC
+6 Dhaka SYD +10 Sydney
CCS -4 Caracas JED +3 Jeddah
RGN +6.5 Yangon NOU +11 Noumea
RIO -3 Rio de
Janeiro
MCW +3 Moscow
BKK +7 Bangkok WLG +12 Wellington
3. Press SET to confirm. The time, day, month, date
and year are automatically set.
set the home time
1. Press MODE four times. The time zone (GMT) digits
flash.
2. Press UP to scroll until your home time zone
(GMT) digits appear. For example, if you are from
Texas, which is on CST, you will scroll until -6
appears.
3. Press SET to confirm.
in regions not receiving an atomic clock signal
If your clock starts searching for a signal, you can
disable it by holding down ON/OFF, SNOOZE, and MODE
until Ê stops flashing.The sequence for setting your
clock in regions not receiving an atomic clock signal
is:
1) select a city or time zone
2) manually set the current time
3) set the home time
select a city or time zone
Follow steps 1-3 as if you were in an area receiving
an atomic clock signal.
manually set the current time
1. Hold down MODE until the hour digits flash.
2. Press UP to scroll through the hours.
3. Press SET to confirm the correct hour. The
minute digits flash.
4. Press UP to scroll through the minutes.
5. Press SET to confirm the correct minutes. The
second digits flash.
6. Press UP to reset the seconds to zero (00).
7. Press SET to confirm the seconds.
8. Press UP to toggle between 12 or 24 hour time
format.
9. Press SET to confirm the time format.
10. Press MODE once to view the day, month, year
and date information.
11. Hold down MODE until the year digits flash.
12. Press UP to scroll through the years.
13. Press SET to confirm the year. The month digits
flash.
14. Press UP to scroll through the months.
15. Press SET to confirm the month. The date digits
flash.
16. Press UP to scroll through the dates.
17. Press SET to confirm the date.
Daylight Saving Time (DST)
1. When in time mode, press MODE three times.
2. Press ON/OFF to enable or disable DST. Your
clock will automatically adjust to DST on the
appropriate date.
set the home time
Follow steps 1-3 as if you were in an area receiving
an atomic clock signal.
setting the clock
Your clock requires two AAA batteries (not supplied)
for power.
1. Remove the battery
compartment cover.
2. Insert two AAA
batteries.
3. Replace the cover.
Battery Notes:
• Dispose of old batteries
promptly and properly.
• Do not burn or bury batteries.
• Use only fresh batteries of the required size and
recommended type.
• Do not mix old and new batteries, or batteries with
different capacities or different chemistries.
• If you do not plan to use the clock for a month or more,
remove the batteries. Batteries can leak chemicals that
can damage electronic parts.
installing batteries
63-1420
Worldwide Atomic Clock
clock user’s guide
what’s included
Note: Actual product may vary from the images found in this
document.
snooze
time zone
MODE
ON/OFF
SET
UP
home time
local time
temperature /
humidity