TROUBLESHOOTING

If your scanner is not working as it should, these suggestions might help you elimi- nate the problem. If the scanner still does not operate properly, take it to your local RadioShack store for assistance.

SYMPTOM

SUGGESTION

 

 

 

 

Scanner is on, but will not scan.

Be sure SQUELCH is adjusted proper-

 

ly. See “Turning On the Scanner/Set-

 

ting Volume and Squelch” on Page 14.

 

 

 

Make sure channels are stored in the

 

channel-storage banks and the scan-

 

ner is set to scan. See “Scanning

 

Channels” on Page 17.

 

 

Scanner receives stations poorly or not

Check the antenna (indoor or outdoor).

at all.

 

Signals may be blocked from being re-

 

 

ceived by the scanner due to metal

 

frames or material in the building.

 

Change the scanner’s location and try

 

again.

 

 

 

Be sure SQUELCH is adjusted proper-

 

ly. See “Turning On the Scanner/Set-

 

ting Volume and Squelch” on Page 14.

 

 

• The scanner’s keys do not work.

The scanner might be locked. Reset

• The display shows random seg-

the scanner. See “Resetting the Scan-

ner” on Page 14.

ments.

 

 

 

Scanner does not work at all.

Check that the power supply is work-

 

ing.

 

 

 

The scanner might be locked. Reset

 

the scanner. See “Resetting the Scan-

 

ner” on Page 14.

 

 

Scanner locks on frequencies that have

Be sure SQUELCH is adjusted proper-

an unclear transmission.

ly. See “Turning On the Scanner/Set-

 

ting Volume and Squelch” on Page 14.

 

 

 

Be sure birdie frequencies are not pro-

 

grammed, or listen to birdie frequen-

 

cies manually. See “Birdie

 

Frequencies” on Page 22.

 

 

28

Page 28
Image 28
Radio Shack 20-422 owner manual Troubleshooting, Symptom Suggestion

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.