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Radio Shack Desktop Scanner User Manual

Radio Shack Desktop Scanner
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20-423
Owner’s Manual
Please read before usin
g
this e
q
uipment.
A
200-Channel VHF/AIR/UHF
Desktop Scanner
with WX Alert

Table of Contents

Questions and Answers:

Radio Shack Desktop Scanner Specifications

General IconGeneral
BrandRadio Shack
ModelDesktop Scanner
CategoryScanner
LanguageEnglish

Summary

Introduction

Scanner Features Overview

Details the scanner's special features like service banks, delay, memory, and search capabilities.

FCC Notice and Legal Scanning

Information regarding FCC compliance, interference, and legal broadcast reception guidelines.

Preparation

Power Sources

Explains how to power the scanner using AC adapter or vehicle battery.

Connecting an Antenna

Instructions for connecting the supplied and optional antennas.

Understanding Your Scanner

Scanner Controls Overview

Description of the scanner's buttons, knobs, and their primary functions.

Scanner Display and Indicators

Explains the scanner's LCD screen and the meaning of various symbols.

Display Symbols and Codes Explained

Detailed explanation of additional display symbols and operational codes for scanner functions.

Service Banks

Air and Amateur Radio Service Frequencies

Lists preset frequencies and steps for Air and Amateur Radio service banks.

Marine Service Frequencies

Details the preset frequencies for marine communication channels.

Fire/Police Service Frequencies

Lists preset frequencies and steps for Fire and Police service banks.

Operation

Turning Scanner On and Setting Volume/Squelch

Guide to powering on the scanner and adjusting volume and squelch levels.

Storing Known Frequencies into Channels

Step-by-step instructions for programming known frequencies into scanner channels.

Searching Service Banks

How to search preset frequency banks for active transmissions.

Using Direct Search

Procedure for manually searching frequencies starting from a specified point.

Using the Monitor Memory

How to temporarily store frequencies found during searches.

Moving a Frequency from Monitor Memory to Channel

Steps to transfer stored frequencies from monitor memory to channels.

Scanning Stored Channels

How to set the scanner to continuously scan through programmed channels.

Scanning Options

Customizing scan behavior like direction, delay, and monitoring.

Turning Channel Storage Banks On and Off

Managing which banks are active during scanning.

Monitoring a Stored Channel

How to continuously listen to a specific programmed channel.

Clearing a Stored Channel

Procedure to remove a frequency from a stored channel.

Listening to the Marine Bank

Instructions for accessing and scanning marine radio frequencies.

Listening to the Weather Band

How to scan and listen to NOAA weather broadcasts.

Using the Weather Alert

Activating and using the NOAA weather alert tone feature.

Special Features

Using the Delay Function

Programming a 2-second delay to avoid missing replies after transmissions.

Locking Out Channels and Frequencies

How to skip specific channels or frequencies during scans/searches.

Reviewing Locked-Out Frequencies

Viewing frequencies that have been locked out from scanning.

Removing All Locked-Out Tags From Frequencies

Clearing lockout tags from frequencies during a search.

Removing All Lockout Tags from Frequencies in All Service Banks

Clearing lockout tags from all service banks.

Using Priority

Setting a priority channel to monitor important calls without interrupting scans.

Turning the Key Tone On and Off

Enabling or disabling the audible tone for key presses.

Using a Computer to Program the Scanner

Connecting the scanner to a PC for programming via optional cable and software.

Birdie Frequencies

Information on identifying and dealing with internal scanner signal interference (birdies).

Guide to the Action Bands

Typical Band Usage

Overview of frequency ranges and their typical uses by service.

Band Allocation and Abbreviations

Lists services and their corresponding frequency allocations using abbreviations.

VHF Frequency Ranges

Detailed breakdown of VHF frequency bands and their associated services.

UHF and High Frequency Ranges

Details UHF and high frequency bands and their allocated services.

Avoiding Image Frequencies

Guidance on identifying and avoiding interference from image frequencies.

Frequency Conversion

Information on converting between kHz, MHz, and wavelength units.

Troubleshooting

Common Scanner Problems and Solutions

Addresses issues like not scanning, poor reception, and unresponsive keys.

Resetting the Scanner

Procedure to reset the scanner to its default state without clearing memory.

Initializing the Scanner

Steps to perform a full initialization, clearing all stored memory.

Scanner Care and Maintenance

Guidelines for keeping the scanner clean, dry, and in good working order.

Specifications

Frequency Coverage and Channels

Details the scanner's frequency reception range and channel capacity.

Sensitivity, Selectivity, and Rejection

Technical performance metrics for signal reception and filtering.

Power, Dimensions, and Accessories

Information on power requirements, physical size, weight, and included accessories.

Limited One-Year Warranty

Warranty Terms and Conditions

Details of the product's warranty coverage, limitations, and exclusions.

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