RadioShack 63-246 - Manual

2

3

4

5

6

7

Thank you for purchasing your Atomic Alarm
Clock from

RadioShack

. Please read this user’s

guide before installing, setting up, and using
your new clock.

Features

• Radio controlled clock receives signal from

WWVB 60kHz and adjusts time and date
automatically.

• LED backlight.
• 4 time zone settings.
• Daylight saving time.
• Alarm and snooze function.
• Indoor temperature with Celsius or

Fahrenheit option.

Check package contents

• Atomic Clock

• Quick Start

• User’s Guide

Select a Location

• Place your clock near a window.
• Do not place in direct sunlight, next to

heat or cold sources such as stoves and
freezers, or heating vents.

• Keep the clock away from high power

cables, TVs, microwaves, refrigerators,
computers, and metal furniture.

• Your atomic clock will not work in Alaska or

Hawaii.

Install Batteries

1.

Press the tab to

remove the battery
compartment cover.

2.

Insert two AA

batteries (not
included) matching
the polarity
symbols (+ and –)
marked inside.

3.

Replace the cover.

Replace batteries when the display dims.

Batter y Notes

• Dispose of batteries promptly and properly.

Do not burn or bury them.

• Use only fresh batteries of the required size

and type.

• Do not mix old and new batteries, different

types of batteries (alkaline, or rechargeable), or
rechargeable batteries of different capacities.

• If you do not plan to use the atomic clock,

remove the batteries. Batteries can leak
chemicals that can damage electronic parts.

Set Time and Date

Automatic Settings

1.

After batteries are installed, the clock

starts searching for the WWVB signal from
the atomic clock in Fort Collins, Colorado.

2.

One of the signal reception indicators

flashes during signal search.

Weakest

Weaker

Weak

Normal

Strongest

3.

If reception succeeds, date and time are

updated automatically, and

displays

until the next reception cycle.

If the reception fails, no signal indicator
appears. Hold down

)

/WAVE

for 3 seconds

to receive signal manually. If it still fails, follow

“Manual Settings”

on page 8 to set the date and

time.

The clock automatically updates the atomic
time daily at 3:00 a.m., 4:00 a.m., 5:00 a.m., or

Atomic Alarm Clock

User’s Guide

63-246

)

/WAVE

• Increase settings in the time and alarm modes.
• In the normal time display, press for 3 seconds

to activate the manual signal search. Press
again to turn it off.

SNOOZE/LIGHT

• Press to turn on the

backlight for 5 seconds.

• When the alarm sounds,

press once to stop the
alarm for 5 minutes.

ALM/SET

Set alarm or switch
between viewing the
month/date and alarm
time.

ALARM ON/OFF

Turn alarm on or off.

TIME/SET

Set time, year, month,
date, and temperature
reading.

(

/ZONE

• Decrease settings in

the time and alarm
modes.

• Select the desired

time zone.

6:00 a.m. It stops the update once the time is
updated for the day.

ZW

Notes:

•

The radio signal search takes
approximately 10 minutes after batteries
are installed or when

RESET

is pressed.

If you want to set the time and date
manually, press

)

/WAVE

to stop signal

search at any time.

•

The clock automatically adjusts the
daylight saving time (DST) upon receipt
of a signal, and displays. If you are
in an area that does not recognize DST,
change the time zone on your clock until
it matches the correct hour.

•

During the radio signal search, all function
keys stop working except

SNOOZE/LIGHT

.

•

Signal reception might be affected if your
clock is placed in a basement or anywhere
near large metal structures (tall buildings,
freeways, airports, or railways).

•

On very cloudy and stormy days, the radio
signal might not be strong enough to set
the clock.

Clock Time

12 or 24 hour format.

Day of the Week

Month and Day or
Alarm Time

Temperature

˚C or ˚F

Time Zone

Signal Reception Indicator

Alarm On

Snooze On

Daylight Saving Indicator