Radio Shack 12-550 User Manual

ALARM
ON/OFF/SNOOZE

 Press WEATHER/SNOOZE to turn off the

broadcast.

 Press ) or ( to adjust the weather alert volume

to the desired level. VOL and the volume level (1 – 8)

appear.

 Press SET to confirm. The minute digits flash.
 Press or hold down ) or ( to set the clock

minutes.

 Press SET to confirm. % and the current signal loss

reminder setting (On or OFF) appear.

DC 6V

Connect the
supplied AC adapter
or a car adapter.

AC Adapter

ZWNOTE: To avoid injury, do not connect the

provided power adapter to a ceiling outlet.

Mount Your Weather Radio

To mount it on the wall, you need two screws (not
supplied) with heads that fit into the keyhole slots on
the bottom of the weather radio.

 Use a pencil to mark the screw locations 3

(94 mm) apart on the wall.

11

/16 in

 Drill a hole at each marked location. Thread a

screw into each hole, making sure each screw’s
head extends about ¼ in (6.5 mm) from the wall.

 Align the keyhole slots on the bottom of the

weather radio with the screw heads, and slide the
radio down to secure it.

 Extend the antenna.

Power Your Weather Radio

Use the supplied 6V, 300mA AC adapter for power
or an AC/DC adapter (not included) to connect in
your vehicle. You can also install four AA batteries
(not supplied) in case AC power fails or is temporarily
disconnected.

AC Power Connection

 Insert the adapter’s barrel plug into the weather

radio’s DC 6V jack.

 Plug the other end of the adapter into a standard

AC outlet.

 Route the adapter’s cord through the strain relief

on the radio.

ALERT ON/OFF SWITCH

The weather radio responds to National Weather
Service (NOAA) alert broadcasts in two ways:

ON When ALERT is set to ON and an alert

broadcast is received, an alert sounds for five
minutes. To stop the alert and listen to the
broadcast, press WEATHER/ SNOOZE. Press
WEATHER/SNOOZE again to turn off the
weather broadcast.

OFF When ALERT is set to OFF and an alert

broadcast is received, an alert sounds for 10
seconds. The radio automatically switches to
the weather broadcast for five minutes. Press
WEATHER/SNOOZE to switch from the alert
tone to the broadcast before the radio switches
automatically, or to stop the broadcast before 5
minutes.

Install Batteries

 Slide off the battery

compartment cover to
remove it.

 Place four AA batteries

in the compartment
as indicated by the
polarity symbols (+
and –) marked inside.

 Replace the cover.

The battery icon (
the segments are lit, the batteries have full power. The
number of lit segments decreases as battery power
decreases.

j) shows battery power. When all

Listen to a Weather Channel

When you turn on the weather radio the first time, all
LCD segments light for a few seconds, and automatic
channel search begins. When an active channel is
found, + appears. If no channels are detected, 
flashes.

 Press WEATHER/SNOOZE to listen to the weather

broadcast.

 Press ) or ( to adjust the broadcast volume to

the desired level. VOL and the volume level (1 – 8)

appear.

Function Setup

Function setup allows you to select a broadcast
channel, and set the alarm and clock time. You can also
enable or disable the signal loss reminder so that an
alert sounds when the radio signal is lost.

Set Channel

 Hold down SET until you hear a beep. CH 1-7

(current channel number) flashes.

 Press SET to enable channel selection. NOAA

appears.

 Press ) or ( to manually change the channel and

turn on broadcast audio. Hold down ) or ( to

automatically search for the strongest channel.

 Press SET to confirm the selected channel number.

The alarm time flashes.

 Hold down SET to return to the normal display. Or,

press SET to proceed and set the alarm time (see
next section).

Set the Alarm Time

 Hold down SET until you hear a beep. CH 1-7

(current channel number) flashes.

 Press ) once. The current alarm time flashes.

 Press SET. The alarm hour digits flash.
 Press or hold down ) or ( to set the alarm hour.

 Press SET to confirm. The alarm minute digits flash.
 Press or hold down ) or ( to set the alarm

minutes.

 Press SET to confirm. The clock time flashes.

 Hold down SET to return to the normal display or,

press SET to set the clock time (proceed to step 4
in the next section).

Set the Clock Time

 Hold down SET until you hear a beep. CH 1-7

(current channel number) flashes.

 Press ) twice. The current clock time flashes.

 Press SET. The clock hour digits flash.
 Press or hold down ) or ( to set the hour.

 Hold down SET to return to the normal display.

Or, press SET to enable or disable the signal loss
reminder (proceed to step 4 in the next section).

Enable/Disable the Signal Loss Reminder

 Hold down SET until you hear a beep. CH 1-7

(current channel number) flashes.

 Press ) three times. The current setting (On or OFF)

and % appear.

 Press SET. % flashes.
 Press ) or ( to toggle between On and OFF.
 Press SET to confirm. CH and the current channel

number flash.

 Hold down SET to return to the normal display, or

press SET once to return to channel setting mode.

Enable/Disable the Alarm

 Slide ALARM to ON or SNOOZE to enable the

alarm.

* appears.

 The alarm sounds at the preset alarm time,

becoming progressively louder the longer it is on.

 To snooze, press WEATHER/SNOOZE. The alarm

stops for 10 minutes. After 10 minutes, the alarm
sounds again until you slide ALARM to OFF to turn
it off.

ZWNOTES

• PM appears to indicate PM hours in alarm and

clock setting modes and disappears to indicate AM
hours.

• The signal loss reminder beep does not sound
while listening to a NWS broadcast.

• The backlight is always on when operating with
AC power. When operating on battery power, the
backlight turns on only when you press a button.

• The signal strength indicator (
of the received signal. If the signal is lost and the
signal loss reminder is enabled, the radio emits a
short beep at 30 seconds, 1 minute, 1.5 minutes,
and so on up to 5 minute intervals. It then sounds
every five minutes until you press any key, or until a
signal is received. If you press a key to silence the
reminder, the reminder beeps will be terminated.
If a strong enough signal is detected for more than
10 minutes and lost again, the reminder beep will
start again at 30 seconds.

+) shows the power

Page 2 Page 3

Care and Maintenance

• Keep the weather radio dry. If it gets wet, wipe it
dry immediately.

• Use and store the weather radio only in normal
temperature environments.

• Keep the weather radio away from dust and dirt,
and handle the weather radio gently and carefully.

• Modifying or tampering with the weather radio’sModifying or tampering with the weather radio’sdifying or tampering with the weather radio’s
internal components can cause a malfunction and
might invalidate its warranty. If your weather radio
is not performing as it should, take it to your local
RadioShack store for assistance.

FCC Information

This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or
more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and

receiver.

• Connect the equipment into an outlet on a circuit

different from that to which the receiver is connected.

• Consult your local RadioShack store or an experienced

radio/TV technician for help.

If you cannot eliminate the interference, the FCC requires
that you stop using your weather radio. Changes or
modifications not expressly approved by RadioShack may
cause interference and void the user’s authority to operate
the equipment.

FCC Declaration of Conformity

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired operation.

Product Weather Radio Alarm Clock

Model 12-550

Responsible

Party

Phone [phone]

RadioShack

300 RadioShack Circle

Fort Worth, TX 76102

Limited Warranty

RadioShack warrants this product against defects in
materials and workmanship under normal use by the
original purchaser for ninety (90) days after the date of
purchase from a RadioShack-owned store or an authorized
RadioShack franchisee or dealer. RADIOSHACK MAKES
NO OTHER EXPRESS WARRANTIES.

This warranty does not cover: (a) damage or failure
caused by or attributable to abuse, misuse, failure to
follow instructions, improper installation or maintenance,
alteration, accident, Acts of God (such as floods or
lightning), or excess voltage or current; (b) improper or
incorrectly performed repairs by persons who are not a
RadioShack Authorized Service Facility; (c) consumables
such as fuses or batteries; (d) ordinary wear and tear or
cosmetic damage; (e) transportation, shipping or insurance
costs; (f) costs of product removal, installation, set-up
service, adjustment or reinstallation; and (g) claims by
persons other than the original purchaser.

Should a problem occur that is covered by this warranty,
take the product and the RadioShack sales receipt as
proof of purchase date to any RadioShack store in the U.S.
RadioShack will, at its option, unless otherwise provided
by law: (a) repair the product without charge for parts
and labor; (b) replace the product with the same or a
comparable product; or (c) refund the purchase price. All
replaced parts and products, and products on which a
refund is made, become the property of RadioShack. New
or reconditioned parts and products may be used in the
performance of warranty service. Repaired or replaced
parts and products are warranted for the remainder of the
original warranty period. You will be charged for repair or
replacement of the product made after the expiration of
the warranty period.

RADIOSHACK EXPRESSLY DISCLAIMS ALL WARRANTIES
AND CONDITIONS NOT STATED IN THIS LIMITED
WARRANTY. ANY IMPLIED WARRANTIES THAT MAY BE
IMPOSED BY LAW, INCLUDING THE IMPLIED WARRANTY
OF MERCHANTABILITY AND, IF APPLICABLE, THE
IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR
PURPOSE, SHALL EXPIRE ON THE EXPIRATION OF THE
STATED WARRANTY PERIOD.

EXCEPT AS DESCRIBED ABOVE, RADIOSHACK SHALL
HAVE NO LIABILITY OR RESPONSIBILITY TO THE
PURCHASER OF THE PRODUCT OR ANY OTHER PERSON
OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR
DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR
PERFORMANCE OF THE PRODUCT OR ARISING OUT
OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT
NOT LIMITED TO, ANY DAMAGES RESULTING FROM
INCONVENIENCE AND ANY LOSS OF TIME, DATA,
PROPERTY, REVENUE, OR PROFIT AND ANY INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
EVEN IF RADIOSHACK HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

Some States do not allow limitations on how long an
implied warranty lasts or the exclusion or limitation of
incidental or consequential damages, so the above
limitations or exclusions may not apply to you. This
warranty gives you specific legal rights, and you may also
have other rights which vary from State to State. You may
contact RadioShack at:

RadioShack Customer Relations
300 RadioShack Circle, Fort Worth, TX 76102 04/08

www.RadioShack.com

Protect the environment by recycling used
electronics. Go to www.E-CyclingCentral.com to
find a recycle location near you.

Weather Radio Alarm Clock

User’s Guide 12-550

Thank you for purchasing your Weather Radio Alarm Clock from RadioShack. Please read this user’s guide before
installing, setting up, and using your new weather radio.

Alarm Time

Signal Strength
Indicator

WEATHER/SNOOZE

Press to start and stop
the weather broadcast
or to enable the alarm
or snooze feature.

) and (

Press to adjust the
broadcast and alert volume,
or to set the channel
number, clock time, and
alarm time values.

 Mount Your Weather Radio

Place your weather radio on a flat surface, such as a
desk, shelf, or table or mount it on the wall.

 Power Your Weather Radio

Plug the supplied AC adapter into the DC 6V jack
and the other end to a standard AC outlet.

or

Insert 4 AA batteries (not supplied), matching the
marked polarity (+ or –) symbols.

What’s Included

Weather Radio Alarm Clock
AC Adapter
User’s Guide

Specifications

Frequency Coverage (MHz):

Channel 1 .............................162.400

Channel 2.............................. 162.425

Channel 3.............................. 162.450

Channel 4.............................. 162.475

Channel 5.............................. 162.500

Channel 6.............................. 162.525

Channel 7.............................. 162.550

Receiving Sensitivity (at 12 dB SINAD)

..................................................0.3μ V

Signal-to-Noise Ratio.............. 40 dB

Audio Output Power:

Maximum ............................ 250 mW

At 10% THD ......................... 200 mW

Channel Selectivity... ±25KHz, 40 dB

Power Supply.....................................

..................... 6V DC 300mA Adapter

.................DC 6V battery for backup

Antenna.. Telescoping Rod Antenna

Dimensions (HDW)....... 1.4×4.6×5.5 in

....................... (35.1×117.5×140 mm)

Weight (no battery) ...... 8.8 oz (250g)

Specifications are subject to change
and improvement without notice.
Actual product may vary from the
images found in this document.

Battery 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 (standard, alkaline, or

 Listen to a Weather ChannelListen to a Weather Channel

When you turn on the weather radio the first time,
all LCD segments light for a few seconds, and the
automatic channel search begins.

 Function Setup

• Set Channel

• Set the Alarm Time

• Set the Clock Time

• Enable/Disable the Signal Loss Reminder

rechargeable), or rechargeable
batteries of different capacities.

• If you do not plan to use the
weather radio with batteries for
a week or more, remove the
batteries. Batteries can leak
chemicals that can damage
electronic parts.

Recycle Rechargeable Batteries

batteries at your local RadioShack
store free of charge. RadioShack
participates in the RBRC
recycling program, and is committed to
preserving the environment and
conserving natural resources. Call
1-800-THE-SHACK (1-800-843-7422) for
more information.

Clock Time

SET

Hold for 2 seconds to
enter function setup
mode and press to
confirm selections.

Placing rechargeable batteries
in the trash can be harmful to
the environment. Instead,
recycle old rechargeable

©

battery

Page 4

©2008. RadioShack Corporation.
All rights reserved. RadioShack and RadioShack.com are trademarks used by RadioShack Corporation.

11A08
12-550

AO0323AAA1

Printed in China