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

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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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Contents 200CH VHF/Air/UHF Home Scanner Features Frequency Range MHz Step kHz Scanning Legally FCC NoticeContents Connecting the Supplied Antenna Connecting AN AntennaConnecting an Outdoor Antenna PreparationConnecting Power Connecting AN External Speaker Connecting AN Earphone or HeadphonesListening Safely Look AT the Front Panel Understanding Your ScannerBank Look AT the DisplayPRI CHANNEL-STORAGE Banks Understanding Banks and BandsMonitor Memories Frequency Bands29-54 Resetting Scanner OperationManually Storing Frequencies Into Channels Band Search Searching for and Temporarily Storing Active FrequenciesDirect Search Listening to Monitor MemoriesMoving a Frequency from a Monitor Memory to a Channel Scanning ChannelsManually Selecting a Channel Special Features DelayRemoving Skip from Frequencies Removing Lockout from Channels PriorityListening to Weather Band Testing Alert ToneTurning the KEY Tone on or OFF Weather AlertGuide to Frequencies General Guide to ScanningHam Radio Frequencies National Weather FrequenciesTypical Band Usage Guide to the Action BandsBand Allocation Very High Frequency VHF Ultra High Frequency UHF Frequency Conversion Symptom Suggestion TroubleshootingCare and Maintenance Specifications Ohms RadioShack Division of Tandy Corporation Fort Worth, Texas

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.