Radio Shack PRO-90 owner manual Using Trunk Tracking Scan Delay, Monitoring IDs

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20-520.fm Page 39 Wednesday, August 4, 1999 3:06 PM

Using Trunk Tracking Scan Delay

Many trunked systems have a period of 2 or more sec- onds between a query and a reply. You can program a 5-second delay to hold on an ID for 5 seconds to wait for a reply. The scanner continues to monitor the frequency for 5 seconds after the transmission stops before resum- ing scanning.

Press DLY to turn trunk tracking scan delay on or off. DLY appears when trunk tracking scan delay is set.

Note: If you consistently miss responses even with trunk tracking scan delay set, you might need to change the default system type or the fleet map you are using. See “Scanning Type I and Hybrid Trunked Systems” on Page 44.

Monitoring IDs

You can use your scanner’s display to monitor the fre- quencies in a trunked system for activity. You cannot hear conversations in this mode, but this is an excellent way to determine which talk groups are the most active. To set the scanner to monitor IDs, hold down SRCH until the scanner beeps twice. SRCH flashes, and all active talk group IDs appear in succession. To stop monitoring IDs, press SRCH again.

Note: When you monitor IDs, locked-out IDs also ap- pear.

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Contents PRO-90 300-Channel TrunkTracker Scanner Features Fm Page 3 Wednesday, August 4, 1999 306 PM Frequency Range Step Transmission Scanning Legally FCC NoticeContents Troubleshooting Care and Maintenance Specifications Trunk TrackingGeneral Guide to Scanning Power Sources Using the Rechargeable Battery PackPreparation Using Standard AC Power Socket Using Vehicle Battery PowerConnecting the Antenna Connecting an Optional Antenna Connecting AN EARPHONE/ Headphones Traffic SafetyListening Safely Attaching the Belt Clip Connecting AN Extension SpeakerLook AT the Keypad Understanding Your ScannerFm Page 16 Wednesday, August 4, 1999 306 PM Look AT the Display Fm Page 18 Wednesday, August 4, 1999 306 PM Channel Storage Banks Service BanksUnderstanding Banks Understanding TrunkingOperation Turning on the Scanner and Setting SquelchStoring Known Frequencies Into Channels Limit Search Scanning Service Banks Fm Page 24 Wednesday, August 4, 1999 306 PM Scanning the Stored Channels Manually Selecting a ChannelDeleting a Stored Frequency Delay Special FeaturesTurning CHANNEL-STORAGE Banks on and OFF Locking OUT Channels and FrequenciesLocking Out Channels Locking Out Frequencies PriorityFm Page 29 Wednesday, August 4, 1999 306 PM Normal Search HyperSearch Using the KeylockUsing the Display Backlight Changing Search SpeedsSkipping Data Signals Battery SaveTypes of Trunking Systems Trunk TrackingSetting the Scanner to the Trunk Tracking Mode Programming Trunked Frequencies Setting Squelch for the Trunk Tracking ModeFm Page 35 Wednesday, August 4, 1999 306 PM Scanning a Trunked Bank Monitoring an Active ID Locking Out IDs Unlocking a Single IDUnlocking All IDs Monitoring IDs Using Trunk Tracking Scan DelayChannel Activity Indicators Manually Storing IDs into Scan Lists Scan ListsAutomatically Storing an ID in a Scan List Location Storing IDs Into Scan Lists While Search- ingDeleting a Stored ID Scanning the Scan ListsScanning Type I and Hybrid Trunked Systems Size Fleets Subfleets IDs Block Used E1P4 E1P5 E1P6 Block Size Code S12 E1P1 E1P2 E1P3 Block Size CodeBlock Size Code E1P4 E1P5 E1P6 Block Size CodeE1P7 E1P8 E1P9 Block Size Code E1P10 E1P11Selecting a Preset Fleet Map E1P13 E1P14 E1P15 Block Size CodeE1P16 Block Size Code Programming a Fleet Map Programming a Hybrid System Canadian Weather Frequencies General Guide to ScanningGuide to Frequencies National Weather FrequenciesVHF Band Guide to the Action BandsTypical Band Usage Primary UsageBand Allocation Abbreviations ServicesVery High Frequency VHF Ultra High Frequency UHF Conventional Systems Band Locally Assigned Frequency Conversion Problem Possible Remedy Cause TroubleshootingError Adjust squelch for Care and Maintenance Specifications Power Requirements Limited One-Year Warranty
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PRO-90 specifications

The Radio Shack PRO-90 is a compact yet powerful handheld scanner that has garnered attention from both hobbyists and serious enthusiasts of radio communications. Introduced as a versatile scanner, the PRO-90 is designed for ease of use while providing a myriad of features that enhance the scanning experience.

One of the key characteristics of the PRO-90 is its advanced scanning technology. The unit boasts a 100-channel memory, allowing users to store and quickly access frequently used frequencies. The scanner supports a wide range of frequency bands, making it suitable for monitoring everything from police and fire frequencies to aviation and marine channels. With programmable scanning capabilities, users can effortlessly create their own scanning routines tailored to their interests.

The PRO-90 also features a fast scanning rate, with the ability to scan across frequencies at remarkable speeds. This minimizes the wait time for users who want to listen to different bands or channels, ensuring they never miss critical transmissions. Additionally, the scanner includes a dedicated "Hold" function that allows users to temporarily pause on a specific frequency for extended listening.

In terms of ease of use, the PRO-90 is designed with an intuitive interface. The scanner includes a backlit LCD display, making it easy to read in low-light environments. The keypad is arranged logically, enabling quick access to functions such as volume, squelch, and memory management. Users can also program the scanner via PC, thanks to its compatibility with programming software, making it easier to manage and transfer frequency lists.

Another standout feature of the PRO-90 is its ability to decode various digital signals. This includes some types of Motorola, GE, and other digital technologies, which are commonly used in modern communications. This capability extends its usefulness beyond traditional analog signals, making the scanner relevant in today’s digital landscape.

Moreover, the Radio Shack PRO-90 is designed with portability in mind. Its compact size and lightweight construction make it an ideal companion for outdoor activities, road trips, or simply enjoying the local communications landscape. Whether you’re a seasoned radio enthusiast or a newcomer to the field, the PRO-90 provides a rich set of features, advanced technology, and user-oriented design that enhance the scanning experience. It stands out as a worthy tool for anyone looking to immerse themselves in the world of radio communication.
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