Uniden DMA FAQ

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Welcome to the Uniden DMA FAQ; here we'll start from scratch, and take you through some of the most basic of questions, and (in many cases) what things mean and how to find information. A word of explanation; if a word or phrase appears in blue and/or underlined, then it's a link; clicking it should take you to another article in our wiki, another part of our website or perhaps a different website.

What Models Does This FAQ Cover?

This FAQ covers the Uniden models that utilize 2 tier DMA memory architecture, specifically those shown in the table below. We have additional, separate FAQs for the DMA 3 tier Uniden products, though many things listed below, are directly applicable;

Non-XT XT P2
SC230 BC346XT(C) BCD325P2
BC246T BCD396XT BCD996P2

The Nuts and Bolts

  • If you're a newcomer, you've probably already discovered that there's a huge amount of terms that seem unfamiliar to you. Our Glossary has lots of these terms, along with definitions. Just click on the term you wish to view.
  • When looking at frequencies in our database, float your mouse over the column header, and you should get a balloon with a brief description of the terms and abbreviations that are used there.
  • The biggest hurdle for many is the concept of trunking. Our Trunking Basics article will get you started, as well as this PDF file written by UPMan. Note that you will need Adobe Acrobat or a compatible reader (such as Foxit) to read it.

Connecting via USB

T and XT Scanners
P2 Scanners

Dynamic Memory Architecture (DMA)

Features and Functions

Firmware Updates


Nothing to Scan

  • I see the Nothing to Scan error message or
  • I turned off all my Favorites, Systems, or Groups off. What Should I do to re-enable Quick Keys?

Relevant Resource Material