Radio Shack 20-422 owner manual Contents

Models: 20-422

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CONTENTS

 

Preparation

6

Removing the Display Protector

6

Connecting an Antenna

6

Connecting Power

7

Connecting an External Speaker

8

Connecting an Earphone or Headphones

8

Understanding Your Scanner

9

A Look at the Front Panel

9

A Look at the Display

10

Understanding Banks and Bands

12

Channel-Storage Banks

12

Monitor Memories

12

Frequency Bands

12

Operation

14

Turning On the Scanner/Setting Volume and Squelch

14

Resetting the Scanner

14

Manually Storing Frequencies into Channels

14

Searching For and Temporarily Storing Active Frequencies

15

Listening to Monitor Memories

16

Moving a Frequency From a Monitor Memory to a Channel

17

Deleting a Frequency From a Channel

17

Scanning Channels

17

Manually Selecting a Channel

18

Special Features

19

Delay

19

Skipping Frequencies/Channels

19

Priority

20

Listening to the Weather Band

21

Turning the Key Tone On or Off

21

A General Guide to Scanning

22

Guide to Frequencies

22

Guide to the Action Bands

23

Band Allocation

24

Frequency Conversion

27

Troubleshooting

28

Care and Maintenance

29

Specifications

30

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Radio Shack 20-422 owner manual Contents

20-422 specifications

The Radio Shack 20-422 is a versatile and compact handheld scanner that has garnered recognition among hobbyists and communication enthusiasts alike. This model is designed to provide users with an easy-to-use interface and advanced scanning capabilities, making it a popular choice for those looking to stay connected with public safety, aviation, and other radio communications.

One of the standout features of the Radio Shack 20-422 is its ability to scan a wide range of frequencies. With coverage from 30 MHz to 900 MHz, it allows users to access a diverse array of radio signals, including AM, FM, and analog transmissions. This broad frequency range ensures that operators can track vital communications from police departments, fire services, and emergency medical teams.

In addition to its expansive scanning capabilities, the 20-422 is equipped with 200 programmable channels. This enables users to store their favorite frequencies for quick access, thus enhancing the overall user experience. The unit is also compatible with commonly used trunking systems, which allows users to monitor communications from trunked radio systems, widely employed by public safety organizations.

The Radio Shack 20-422 comes with a customizable priority scanning feature, which allows users to set specific channels to scan more frequently. This ensures that important communications are not missed, adding a level of efficiency to the scanning process. Moreover, the scanner features a large LCD display that provides users with clear visibility of the frequency and other important information.

From a technological standpoint, the 20-422 is equipped with automatic frequency identification, which simplifies the process of discovering new radio signals. The built-in alert system notifies users when specific transmissions are detected, adding convenience to the scanning routine.

The ergonomic design of the Radio Shack 20-422 enhances ease of use, equipped with a comfortable grip and well-placed buttons for intuitive operation. The scanner is powered by a reliable battery system, ensuring long hours of dynamic scanning capabilities, whether you are in a stationary location or on the move.

In summary, the Radio Shack 20-422 stands out as a powerful tool for anyone interested in radio communications. With its extensive frequency coverage, programmable channels, and user-friendly design, this handheld scanner is perfect for hobbyists, emergency responders, and anyone else looking to stay connected with their community.