UNDERSTANDING YOUR SCANNER

A LOOK AT THE FRONT PANEL

VOLUME

Turns the scanner on or off and adjusts the volume.

SQUELCH

Adjusts the scanner’s squelch.

/

Sets the search direction.

BAND

Searches a band you select.

DELAY

Programs a 2-second delay for the selected channel; sets a

 

delay for all active frequencies during a search.

ALERT/PRIORITY

Sets the scanner to the weather alert mode; turns priority on

 

or off for a particular channel.

MONITOR

Stores frequencies into, and accesses, the ten monitor

 

memories.

S/S-LOCKOUT

Skips a specified frequency during a band or direct search

(search/skip/lockout)

or locks out selected channels during scanning.

HOLD

Pauses the scanner during a search.

PROGRAM

Programs frequencies into channels.

SCAN

Scans through the channels.

MANUAL

Stops scanning to let you listen to a monitor memory or di-

 

rectly enter a channel number.

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Radio Shack 20-422 owner manual Understanding Your Scanner, Look AT the Front Panel

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.