Radio Shack PRO-72 owner manual Initializing the Scanner

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20-566.fm Page 51 Thursday, August 5, 1999 8:04 AM

Initializing the Scanner

Important: This procedure clears all frequencies you stored in the scanner’s memory and initializes the scanner to its default settings. Initialize the scanner only when you are sure the scanner is not working properly.

1.Turn off the scanner, then turn it on again.

2.While holding down CLEAR, insert a pointed object, such as a straightened paper clip, into the reset hole on the side of the scanner. Then gently press and release the reset button inside the opening. The dis- play goes blank, then information reappears.

Note: You must release the reset button before you release CLEAR. Otherwise, the memory might not clear.

3. When the display reappears, release CLEAR.

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Contents PRO-72 50-Channel Portable Scanner Features Serial Number Fm Page 4 Thursday, August 5, 1999 804 AM FCC Notice Scanning Legally Contents General Guide to Scanning Special FeaturesTroubleshooting Care and Maintenance SpecificationsPower Sources Using BatteriesPreparation Fm Page 10 Thursday, August 5, 1999 804 AM Fm Page 11 Thursday, August 5, 1999 804 AM Using Standard AC Power Using Vehicle Battery Power Charging a Rechargeable Battery Pack Connecting the Antenna Connecting an Optional Antenna Connecting AN EARPHONE/ HeadphonesListening Safely Traffic SafetyUsing the Belt Clip Connecting AN Extension SpeakerYour Scanner Look AT the Keypad Fm Page 21 Thursday, August 5, 1999 804 AM Look AT the Display Fm Page 23 Thursday, August 5, 1999 804 AM Search Bands Understanding BANDS/MONITOR MemoryMonitor Memory Operation Turning on the SCANNER/ Setting Volume and SquelchManually Storing Frequencies Storing Active FrequenciesFm Page 28 Thursday, August 5, 1999 804 AM Band Search Fm Page 30 Thursday, August 5, 1999 804 AM Direct Search Monitoring a Stored Channel Moving a Frequency from the Monitor Memory to a ChannelScanning the Channels Clearing a Channel Listening to the Monitor MemoryListening to a Weather Band Special Features DelayLocking OUT a Channel Using the Display Backlight Turning the KEY Tone on and OFF Using the KeylockHam Radio Frequencies Guide to FrequenciesUS Weather Frequencies Other Weather Frequencies486.400 499.200 Birdie FrequenciesVHF Band Guide to the Action BandsUnited States Broadcast Bands Typical Band UsageActivities Primary UsageBand Allocation Specified IntervalsVery High Frequency VHF Government Band Ultra High Frequency UHF Frequency Conversion Problem Possible Causes Remedies TroubleshootingProblem Possible Remedies Causes Resetting the Scanner RESETTING/INITIALIZING the ScannerInitializing the Scanner Care and Maintenance Fm Page 53 Thursday, August 5, 1999 804 AM Specifications US Patent Numbers Limited One-Year Warranty
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PRO-72 specifications

The Radio Shack PRO-72 is a compact and versatile handheld scanner that has garnered a dedicated following among scanning enthusiasts and casual users alike. Renowned for its user-friendly design and robust feature set, the PRO-72 brings a wealth of scanning capabilities to the palm of your hand.

One of the most notable features of the PRO-72 is its ability to receive a vast range of frequencies, typically spanning from 29 MHz to 512 MHz. This wide frequency coverage allows users to monitor various communications, including police, fire, emergency services, aviation, and amateur radio transmissions. The scanner supports both conventional and trunked systems, making it adaptable for different types of communications used by various agencies.

The PRO-72 is equipped with 100 programmable channels, allowing users to organize and store their preferred frequencies efficiently. This feature makes it easier to switch between channels without manually tuning. Users can also take advantage of the scanner's built-in search function, enabling them to explore unidentified frequencies across the entire range.

When it comes to technologies, the PRO-72 incorporates a Digital Signal Processor (DSP) that enhances audio clarity and reduces background noise. This feature ensures that users receive clear and intelligible audio, even in busy radio environments. Additionally, the scanner supports CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch) features, which help filter out unwanted transmissions, further enhancing the user experience.

The scanner’s backlit LCD display adds to its usability, ensuring visibility in low-light conditions. The ergonomic design features easy-to-use controls, making it accessible for beginners while still offering advanced options for seasoned operators. The portable nature of the PRO-72, often powered by standard AA batteries, makes it an ideal companion for outdoor activities like camping or emergency preparedness.

In conclusion, the Radio Shack PRO-72 is a feature-rich handheld scanner that successfully blends ease of use with advanced technology. Its wide frequency coverage, programmable channels, and impressive audio clarity make it an excellent choice for anyone looking to explore the world of radio communications. Whether for leisure or practical applications, the PRO-72 continues to be a reliable tool for communication enthusiasts.
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