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Dynamic Memory Architecture (or DMA) is Uniden's scheme for storing and organizing systems, sites, groups, channels, and talkgroups in a scanner.
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'''DIGITAL-SCANNER ADJUSTABLE-MEMORY BANK-SYSTEM'''
  
A scanner that implements Dynamic Memory Architecture has a pool of memory to store any programmed data.  The pool is divided into blocks.
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;:'''Dynamic '''
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;::'''Memory '''
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;:::'''Architecture'''
  
A system is the top-most element that can be created in DMAWithin each system, a number of Groups can be created. Within each Group, a number of Channels (for a conventional System) or Talkgroups (for a trunked System) can be created.
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''Dynamic Memory Architecture'' or '''DMA''', is Uniden's File layer structure, for storing and organizing favorites list (if applicable<sup>1</sup>) systems, sites, groups (and/or departments<sup>2</sup>), channels, and talkgroups in a scannerIt's predecessor was "Banks" with a specified number of channels per bank, with the coming of the digital age, it was foreseen that Banks were no longer going to be able to handle the smallest or largest grouping of digital channels (a.k.a. [[Talkgroups]] ID's), without having wasted banks (memory), for the small groups, or the largest groups having to be split between numerous different Banks.  It had to allow "the user" some control of where, when, and how the different banks were going to store/hold and enable/disable: digital frequencies (System w Sites) and digital channels (TGIDs).  So Uniden went the route of a "hierarchical file layer structure" as seen in modern computers, hence why the title of the article is laid out as such.
  
Some scanners also allow multiple Sites to be programmed for a trunked System.
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Any scanner that implements DMA, has a pool of memory "blocks" to store any programmed data.  The pool allows memory to be allocated to any and all info being saved, as opposed to older bank-based scanners, where there the memory for each bank and channel were hard coded to only a specified memory address (static)(on a non-volatile memory chip).  This allows the scanner user the ability to use their scanners memory when and where it maybe needed. The number of memory blocks varies by scanner. Also, the allowable number of Systems, Groups, and Channels/TGID's also vary by scanner model.
  
Each System, Site, Group, Channel, or Talkgroup will occupy one or more blocks.
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Each System, [[Site]], Group, Channel, or [[Talkgroup]] will occupy one or more blocks.
  
Usually, each System can be assigned a System Quick Key to provide easy access to enable the System to be scanned. If the scanner implements Sites to be programmed for a System, usually each site may be programmed with a Site Quick Key. Likewise, Groups can usually be assigned a Group Key Quick.
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A ''System'' is the top-most element that can be created in DMA <sup>1</sup> .  Within each ''System'', a number of ''Groups''<sup>2</sup> can be created.  Within each Group, a number of ''Channels'' (for a conventional System) or ''Talkgroups'' (for a [[Trunked Radio Systems]](TRS)) can be created. Some models allow [[Uniden Multi-Site Trunking]] to be programmed for a trunked ''System'' essential when multiple ''Sites'' share common ''TGID's'', amongst all the ''Sites''.
  
The number of memory blocks varies by scannerThe allowable number of Systems, Groups within a System, and Channels/Talkgroups within a Group also vary by scanner model.
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Each ''System'' can be assigned a ''System Quick Key'' or '''SQK''' to easily enable or disable the System to be scannedIf the scanner implements Sites to be programmed for a ''System'', usually each site may be programmed with a Site Quick Key also SQK<sup>3</sup>.  
  
The following Uniden models are considered DMA scanners, along with the type of trunking they perform. Please see the respective links for more information.
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Each Groups can be assigned a ''Group Quick Key'' or '''GQK'''<sup>2</sup>, ''Groups'' can be a mix of a single digital system's TGIDs and an analog frequency/channel or just one or the other them.  
  
{| class="wikitable sortable" style="text-align: left; color: black;"
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'''Additional Notes:'''For Scanners w "HP" in the name:
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# ''Favorite List'' is the highest level; Favorite Lists Quick Keys '''FLQK'''.
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# ''Group'' Name changed to ''Departments''
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# ''Site's'' are now in the ''Department'' level using ''Department Quick Keys'' '''DQK'''s to enable/disable.
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<small>Note that the terms "favorites" & "departments" only applies to scanners with "HP" in the naming.</small>
 +
 
 +
;The following Uniden models use the Dynamic Memory Architecture as a base structure.
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{| class="wikitable sortable" border="1"  style="border-collapse:collapse"
 
!Model
 
!Model
 
!width="100" class="unsortable"|Analog (AM/FM)
 
!width="100" class="unsortable"|Analog (AM/FM)
!width="100"|Digital ([[APCO Project 25]])
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!width="100" | [[Project_25#Project_25_Phases|Digital Phase&nbsp;I]]
!width="100"|[[Trunking]]
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!width="100" | [[Project_25#Project_25_Phases|Digital Phase&nbsp;II]]
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!width="100" | [[Trunked Radio Systems|Trunking]]
 
|-
 
|-
 
 
|[[BCD396T]]
 
|[[BCD396T]]
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BCD396XT]]
 
|[[BCD396XT]]
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BR330T]]
 
|[[BR330T]]
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|
 
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BC346XT]]
 
|[[BC346XT]]
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|
 
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BC246T]]
 
|[[BC246T]]
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|
 
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[SC230]]
 
|[[SC230]]
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|
 
|
 
|
 
|
 
|-
 
|-
 
 
|[[BCD996T]]
 
|[[BCD996T]]
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BCD996XT]]
 
|[[BCD996XT]]
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BCT15]]
 
|[[BCT15]]
 
|align="center"|Yes
 
|align="center"|Yes
 +
|
 
|
 
|
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
 
 
|[[BCT15X]]
 
|[[BCT15X]]
 
|align="center"|Yes
 
|align="center"|Yes
 
|
 
|
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|
 +
|align="center"|Yes
 +
|-
 +
|[[BCD325P2]]
 +
|align="center"|Yes
 +
|align="center"|Yes
 +
|align="center"|Yes
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|align="center"|Yes
 +
|-
 +
|[[BCD996P2]]
 +
|align="center"|Yes
 +
|align="center"|Yes
 +
|align="center"|Yes
 
|align="center"|Yes
 
|align="center"|Yes
 
|-
 
|-
  
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|[[BCD436HP]]
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|align="center"|Yes
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|align="center"|Yes
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|align="center"|Yes
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|align="center"|Yes
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|-
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|[[BCD536HP]]
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|align="center"|Yes
 +
|align="center"|Yes
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|align="center"|Yes
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|align="center"|Yes
 +
|-
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|[[HomePatrol-1]]
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|align="center"|Yes
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|align="center"|Yes
 +
|
 +
|align="center"|Yes
 +
|-
 +
|[[HomePatrol-2]]
 +
|align="center"|Yes
 +
|align="center"|Yes
 +
|align="center"|Yes
 +
|align="center"|Yes
 +
|-
 
|}
 
|}
 +
  
 
==How Can I Get Started?==
 
==How Can I Get Started?==
Your first step begins with an article written by UPMan called [http://www.grove-ent.com/SCANNERPROGRAMMING.htm Scanner Programming;Man Machine Interface].
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Your first step begins with an article written by UPMan called Scanner Programming;Man Machine Interface<sup>1</sup>. This article will give you an introduction into how to set up a DMA radio. While the article was written before all the current models were in production, the basic ideas & concepts are still relevant in today's Unidens. A basic description of the architecture can be found [http://www.scannersoft.com/dynamic_memory.htm here].
This article will give you an introduction into how to set up a DMA radio. While the article was written before all the current models were in production, the basic ideas are still the same. A basic description of the architecture can be found [http://www.scannersoft.com/dynamic_memory.htm here].
 
  
 
==How do I Lay Out My Groups and Systems?==
 
==How do I Lay Out My Groups and Systems?==
As suggested in the above article, the use of a spreadsheet or other columnar layouts will help in getting things organized.
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As suggested in the above article, the use of a spreadsheet or other columnar layouts will help in getting things organized. [[Uniden Scanners Systems, Sites and Groups]]
 +
 
 +
Newer Home Patrol Series & BCDx36HP series contain less scanner internal non-volatile memory and a user is allowed to use larger non-volatile memory (flash memory based on mini-SD cards).
 +
 
 +
# Getting The Most From The New Uniden Scanners by Paul Opitz, it was in Popular Communications (PopComm) November 2005 & January  2006. [http://www.servicedocs.com/ARTIKELEN/0800226740002.PDF]
 +
 
 +
 +
[[Program your DMA Scanner]]
  
 
 
Return to the [[Uniden DMA FAQ]]
 
Return to the [[Uniden DMA FAQ]]
[[Category:DMA Radios Hints and Kinks]]
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[[Category: RR Glossary]]
+
[[Category:RR Glossary]]
 +
[[Category:Scanners Glossary]]
 +
[[Category:Programming FAQs and Tips for Uniden Scanners]]

Revision as of 23:44, 30 March 2017

DIGITAL-SCANNER ADJUSTABLE-MEMORY BANK-SYSTEM

Dynamic
Memory
Architecture

Dynamic Memory Architecture or DMA, is Uniden's File layer structure, for storing and organizing favorites list (if applicable1) systems, sites, groups (and/or departments2), channels, and talkgroups in a scanner. It's predecessor was "Banks" with a specified number of channels per bank, with the coming of the digital age, it was foreseen that Banks were no longer going to be able to handle the smallest or largest grouping of digital channels (a.k.a. Talkgroups ID's), without having wasted banks (memory), for the small groups, or the largest groups having to be split between numerous different Banks. It had to allow "the user" some control of where, when, and how the different banks were going to store/hold and enable/disable: digital frequencies (System w Sites) and digital channels (TGIDs). So Uniden went the route of a "hierarchical file layer structure" as seen in modern computers, hence why the title of the article is laid out as such.

Any scanner that implements DMA, has a pool of memory "blocks" to store any programmed data. The pool allows memory to be allocated to any and all info being saved, as opposed to older bank-based scanners, where there the memory for each bank and channel were hard coded to only a specified memory address (static)(on a non-volatile memory chip). This allows the scanner user the ability to use their scanners memory when and where it maybe needed. The number of memory blocks varies by scanner. Also, the allowable number of Systems, Groups, and Channels/TGID's also vary by scanner model.

Each System, Site, Group, Channel, or Talkgroup will occupy one or more blocks.

A System is the top-most element that can be created in DMA 1 . Within each System, a number of Groups2 can be created. Within each Group, a number of Channels (for a conventional System) or Talkgroups (for a Trunked Radio Systems(TRS)) can be created. Some models allow Uniden Multi-Site Trunking to be programmed for a trunked System essential when multiple Sites share common TGID's, amongst all the Sites.

Each System can be assigned a System Quick Key or SQK to easily enable or disable the System to be scanned. If the scanner implements Sites to be programmed for a System, usually each site may be programmed with a Site Quick Key also SQK3.

Each Groups can be assigned a Group Quick Key or GQK2, Groups can be a mix of a single digital system's TGIDs and an analog frequency/channel or just one or the other them.

Additional Notes:For Scanners w "HP" in the name:

  1. Favorite List is the highest level; Favorite Lists Quick Keys FLQK.
  2. Group Name changed to Departments
  3. Site's are now in the Department level using Department Quick Keys DQKs to enable/disable.

Note that the terms "favorites" & "departments" only applies to scanners with "HP" in the naming.

The following Uniden models use the Dynamic Memory Architecture as a base structure.
Model Analog (AM/FM) Digital Phase I Digital Phase II Trunking
BCD396T Yes Yes Yes
BCD396XT Yes Yes Yes
BR330T Yes Yes
BC346XT Yes Yes
BC246T Yes Yes
SC230 Yes
BCD996T Yes Yes Yes
BCD996XT Yes Yes Yes
BCT15 Yes Yes
BCT15X Yes Yes
BCD325P2 Yes Yes Yes Yes
BCD996P2 Yes Yes Yes Yes
BCD436HP Yes Yes Yes Yes
BCD536HP Yes Yes Yes Yes
HomePatrol-1 Yes Yes Yes
HomePatrol-2 Yes Yes Yes Yes


How Can I Get Started?

Your first step begins with an article written by UPMan called Scanner Programming;Man Machine Interface1. This article will give you an introduction into how to set up a DMA radio. While the article was written before all the current models were in production, the basic ideas & concepts are still relevant in today's Unidens. A basic description of the architecture can be found here.

How do I Lay Out My Groups and Systems?

As suggested in the above article, the use of a spreadsheet or other columnar layouts will help in getting things organized. Uniden Scanners Systems, Sites and Groups

Newer Home Patrol Series & BCDx36HP series contain less scanner internal non-volatile memory and a user is allowed to use larger non-volatile memory (flash memory based on mini-SD cards).

  1. Getting The Most From The New Uniden Scanners by Paul Opitz, it was in Popular Communications (PopComm) November 2005 & January 2006. [1]


Program your DMA Scanner

Return to the Uniden DMA FAQ