Radio Shack PRO-72 owner manual Using Standard AC Power

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20-566.fm Page 12 Thursday, August 5, 1999 8:04 AM

Using Standard AC Power

To power the scanner from AC power, you need an AC adapter (Cat. No. 273-1665).

Cautions:

•You must use an AC adapter that supplies 9 volts and delivers at least 200 milliamps. Its center tip must be set to negative, and its barrel plug must correctly fit the scanner’s PWR/DC 9V jack. The recommended adapter meets these specifications. Using an adapter that does not meet these specifications could damage the scanner or the adapter.

•When you finish using the AC adapter, disconnect it from the AC outlet first. Then disconnect it from the scanner.

Plug the adapter’s 1.3 mm inner diameter/3.4 mm outer di- ameter barrel plug into the scanner’s PWR/DC 9V jack. Then plug the adapter’s power module into a standard AC outlet.

PWR/DC 9V

Warning: Do not use an AC adapter’s polarized plug with an extension cord, receptacle, or other outlet unless the blades can be fully inserted to prevent blade exposure.

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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 Special Features TroubleshootingCare and Maintenance Specifications General Guide to ScanningPower 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 EARPHONE/ Headphones Connecting an Optional AntennaTraffic Safety Listening SafelyConnecting AN Extension Speaker Using the Belt ClipYour 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 Understanding BANDS/MONITOR Memory Search BandsMonitor Memory Turning on the SCANNER/ Setting Volume and Squelch OperationStoring Active Frequencies Manually Storing FrequenciesFm Page 28 Thursday, August 5, 1999 804 AM Band Search Fm Page 30 Thursday, August 5, 1999 804 AM Direct Search Moving a Frequency from the Monitor Memory to a Channel Monitoring a Stored ChannelScanning the Channels Listening to the Monitor Memory Clearing a ChannelListening to a Weather Band Special Features DelayLocking OUT a Channel Using the Display Backlight Using the Keylock Turning the KEY Tone on and OFFGuide to Frequencies US Weather FrequenciesOther Weather Frequencies Ham Radio FrequenciesBirdie Frequencies 486.400 499.200Guide to the Action Bands United States Broadcast BandsTypical Band Usage VHF BandPrimary Usage ActivitiesSpecified Intervals Band AllocationVery High Frequency VHF Government Band Ultra High Frequency UHF Frequency Conversion Troubleshooting Problem Possible Causes RemediesProblem Possible Remedies Causes RESETTING/INITIALIZING the Scanner Resetting 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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