Radio Shack Pro-71 owner manual Specifications

Page 41

SPECIFICATIONS

Frequency Coverage:

 

 

VHF Lo

29–50 MHz (in 5.0 kHz steps)

6-Meter Ham

50–54 MHz (in 5.0 kHz steps)

Aircraft

108–136.975 MHz (in 12.5 kHz steps)

VHF/Government

137–144 MHz (in 5.0 kHz steps)

2-Meter Ham

144–148 MHz (in 5.0 kHz steps)

VHF Hi

148–174 MHz (in 5.0 kHz steps)

UHF

406–512 MHz (in 12.5 kHz steps)

Channels of Operation

Any 100 channels in any band

 

combinations (10 channels × 10 banks)

 

 

and 10 monitor channels

Sensitivity (20 dB S/N with 60% modulation for AM;

3 kHz deviation for FM):

 

 

29–54 MHz

0.4 μV

108–136.975 MHz

2.0 μV

137–174 MHz

0.6 μV

406–512 MHz

0.5 μV

Spurious Rejection:

 

 

40.84 MHz

37 dB

162.4 MHz

20 dB

Selectivity:

 

 

10 kHz

–6 dB

17 kHz

–50 dB

IF Rejection (at 162.4 MHz)

75 dB

Limit Search Speed/Direct Search Speed

...................... 20 Steps/Sec.

Scan Speed

17 Channels/Sec.

Priority Sampling

2 Seconds

Delay Time (Automatic)

2 Seconds

IF Frequencies

21.4 MHz and 450 kHz

Antenna Impedance

50 Ohms

Audio Power:

 

 

FM

230 mW Maximum

AM

250 mW Maximum

Built-in Speaker

17/16-inch (36-mm) 8-Ohm, Dynamic Type

Power Requirement

+6 VDC, 4 AA batteries

 

AC Adapter (Cat. No. 273-1665)

 

DC Adapter (Cat. No. 273-1810)

41

Image 41
Contents PRO-71 VHF/UHF/Air Handheld Scanner Features Frequency MHz Frequency Range MHz TransmissionScanning Legally FCC NoticeWe encourage responsible, legal scanner use Contents General Guide to Scanning TroubleshootingCare and Maintenance Specifications Preparation Power SourcesInstalling Batteries Important Information about the External Power Jacks Using Standard AC Power Using Vehicle Battery Power Charging NICKEL-CADMIUM Batteries Connecting an Optional Antenna Connecting the AntennaListening Safely Connecting AN Earphone HeadphonesTraffic Safety Using the Belt Clip Connecting AN Extension SpeakerLook AT the Keypad Understanding Your ScannerLook AT the Display Page Monitor Memories Banks and MemoriesCHANNEL-STORAGE Banks Storing Frequencies Turning on the Scanner and Setting SquelchOperation Press E WX to store the frequency Searching for and Temporarily Storing Active FrequenciesLimit Search Direct Search Moving a Frequency from a Monitor Memory to a Channel Listening to Monitor MemoriesManually Selecting a Channel Locking OUT Channels Special FeaturesUsing the Keylock Search Skip Memory Turning CHANNEL-STORAGE Banks on and OFFPriority Using the Display BacklightListening to the Weather Band Guide to Frequencies General Guide to ScanningWeather Frequencies Ham Radio FrequenciesTypical Band Usage Guide to the Action BandsBirdie Frequencies Primary Usage Band AllocationVHF Band UHF BandHigh Frequency HF Hi 3 MHz-30 MHz AbbreviationsLow Band 29.7-50 MHz in 5 kHz steps Very High Frequency VHF 30 MHz-300 MHzGovernment Band 406-450 MHz Channel Frequency Conversion Avoiding Image FrequenciesProblem Possible Cause Remedy TroubleshootingResetting the Scanner Care and Maintenance Specifications 94 oz Page Limited One-Year Warranty
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Pro-71 specifications

The Radio Shack Pro-71 is a compact and versatile handheld scanner that remains a favored choice for enthusiasts of radio communication. Designed for ease of use, the Pro-71 offers a variety of features that cater to both casual listeners and dedicated hobbyists. One of its standout characteristics is its impressive frequency coverage. The radio can receive a wide range of frequencies, from VHF and UHF bands to public safety channels, aircraft communications, and even some amateur radio bands. This extensive range adds to the versatility of the device, allowing users to explore countless transmissions.

Equipped with 300 memory channels, the Pro-71 enables users to store and quickly access their favorite frequencies. This feature greatly enhances convenience, particularly for those who frequently monitor specific channels. Additionally, the scanner includes a priority channel option, enabling users to monitor a specific channel while scanning through others. This ensures that important communications do not go unnoticed, especially during critical monitoring sessions.

One significant technology featured in the Pro-71 is its autofrequency search capability. This allows users to scan through the radio waves automatically, quickly identifying active frequencies without the need for manual input. The ease of operation is complemented by a backlit display, which ensures visibility of information even in low-light environments. This thoughtful design allows users to adjust to their scanning needs regardless of the conditions.

Furthermore, the Pro-71 offers a range of scanning modes, including single, memory, and auto store scan modes. This flexibility enhances the listening experience, as users can select the mode that best suits their monitoring requirements. The built-in keypad allows for intuitive operation, and the robust speaker delivers clear audio, ensuring that users can easily discern communication.

Durability plays a significant role in the design of the Pro-71, making it suitable for both indoor and outdoor use. Its compact size and lightweight construction enable easy transport, making it an ideal companion for travel, outdoor events, or emergency preparedness.

Overall, the Radio Shack Pro-71 delivers a powerful combination of features, technologies, and characteristics appealing to both novice and seasoned users. Its flexibility, wide frequency coverage, and user-friendly design continue to make it a trusted tool in the world of radio monitoring.