Why does my Radio Shack Scanner lock on unclear frequencies?
If your Radio Shack Scanner locks onto frequencies with unclear transmissions in scan mode, it's possible that the programmed frequencies are the same as 'birdie' frequencies. Avoid programming frequencies listed under 'Birdie Frequencies' or only listen to them manually.
General| Brand | Radio Shack |
|---|---|
| Model | PRO-90 |
| Category | Scanner |
| Language | English |
Details the three available power sources for the scanner: rechargeable battery, AC adapter, and vehicle power.
Explains the function of each key on the scanner's keypad for better user understanding and operation.
Explains how channels are divided into 10 banks of 30 channels each for easier identification and selection.
Describes preprogrammed frequencies for police, fire, aircraft, marine, and weather services for quick access.
Provides step-by-step instructions for powering on the scanner and adjusting the squelch control for optimal reception.
Explains how to lock out specific channels while scanning or manually selecting them to improve scanning efficiency.
Explains the differences between Type I and Type II trunking systems and their characteristics.
Provides instructions on how to remove the lockout for a specific ID.
Details the process for unlocking all previously locked IDs simultaneously.
Explains how to manually add favorite IDs to scan lists for organized trunk tracking.
Provides information on various frequency bands, including weather, birdy, and general band usage.
Details typical usage of VHF and UHF frequency bands, categorizing services and their frequency ranges.
Highlights the main frequencies where most radio activity is concentrated, categorized by VHF band activities.
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