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Programming the MPDC in Digital Scanners


The Washington DC public safety system is fairly unique in our area in that it uses 2 separate ranges for its operations; UHF for the police, and 800 Mhz for fire. In order to trunk this system, only the scanners listed in our Digital Scanners article will work. Note that to use the BC250D and BC785, the optional BC25i card is required. This system is also unique because it requires 2 trunking tables for UHF to trunk correctly.

Contents

[edit] Programming Tips

These images show how to enter the base and offset information (needed for UHF trunking) for various software packages that support the digital scanners. The 800 Mhz fire frequencies need no special settings. Click on the desired image to expand it.

[edit] UASD settings

bandplan for UASD396
settings for UASD396
bandplan for UASD996
system freqs for UASD996

[edit] Other Software Examples

settings for ARC396
settings for Win96
settings for BCTool
settings for Freescan

[edit] Technical Notes

  • The digital scanners are capable of Control Channel Only trunking; using this feature saves having to supply all the frequencies in the database. Program only those shown in red and blue, and make sure that option is checked in the desired software.
  • This system is not Project 25 compliant, as it has some analog audio on it (MOSCAD data). Program it as a Motorola Type II system.
  • For the BCD-396T and BCD-996, you must program the police and fire in seperate systems
  • For PRO-96/2096 owners: you cannot program both base/offsets manually. You must use Win96 to access the tables for programming. In addition, make sure that both the frequencies and bank are set to MOT
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