Radio Shack 12-521 Quick Start Manual

Insert the AC 

adapter to the DC 

9V jack to power 

your radio.

Install 6 AA 

batteries (not 

included) for 

backup power.

1.  Open the 

battery 

compartment.

2.  Insert batteries as indicated by the polarity 

symbols (+ and –) inside.

3.  Replace the battery cover.

Quick Start Guide            12-521

All-Hazards Desktop Weather Alert Radio

Place the radio on a flat surface where it 

receives alerts clearly. Avoid placing it near 

large obstructions or metal surfaces (such as a 

refrigerator).

Optionally, use the keyhole slots on the radio’s 

back to mount the radio on a wall.

Step 2: Place the radio

Fully extend the telescoping antenna. 

For better reception, connect an external 

antenna to the EXT ANT jack using an optional 

adapter cable with a phono plug (not supplied).

Step 3: Use the antenna

1.  Press MENU to go to the menu mode.

2.  Use , , ,  to select menu items and 

change the settings; use SELECT to confirm 

each setting.

3.  After setting, press MENU to exit.

Step 4: Set the radio

Press WEATHER/SNOOZE to listen to the broadcast (see 

“NWS Alert Descriptions“ on page 12 of the User’s Guide for 

a list of alert descriptions). 

During broadcasting, press   or 

 to adjust the volume.

Understanding the Alert Indicators

Alerts are indicated with differently colored LEDs:  

Red – WARNING 

Orange – WATCH 

Yellow – ADVISORY 

Green – READY

When an alert is in effect, the corresponding alert 

indicator flashes for 60 seconds and then lights for the 

duration the alert is in effect.

Step 5: Receive alerts and understand indicators

Step 1: Power your radio

Flip up or down to change 

the display’s angle

Keyhole Slots

EXT ANT

DC 9V

Telescoping Antenna

12A08

12-521

AO0338AAA1

Printed in China

©2008. RadioShack Corporation.  

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

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