800 MHz Radio Update: July 2006 - PowerPoint PPT Presentation

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800 MHz Radio Update: July 2006

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800 MHz Radio Update: July 2006

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  1. 800 MHz Radio Update: July 2006 MCFRS IT Training

  2. Overview • What, Why, Where and When? • How Does the VRS Work? • What Happens If You Can’t Reach the VRS? • How to Switch between Repeat and Direct Modes? • How to Determine When to Use 7-71-72 N • Why Not Just Use FDTA and Avoid the Changes? • How to Break Down the New Template? • Need a Cheat Sheet? • How Should You Get Help?

  3. What, Why, Where and When? • What: VRS is short for Vehicular Repeater System – we’re installing repeaters in the Batallion Chiefs’ buggies and a few engines in border areas. • Why: With a VRS on-site, we can add to existing coverage by bringing a conventional channel to the repeater. • Where: The VRS may be used in areas where coverage is weak for portable radios, including near the river and (to some degree) parking garages and other underground structures. • When: The VRS won’t be needed very often, but it provides another tool for life safety. Reprogramming runs July 31 – August 14.

  4. How Does the VRS Work? User switches to the VRS Channel

  5. What Happens If You Can’t Reach the VRS? User Switches to Simplex Radio Receives on Simplex by Default User Switches back to Repeat User Switches to Simplex


  6. How to Switch between Repeat and Direct Modes? • The concentric ring switch (still the soft-key lock/unlock on every other talkgroup) will enable you to toggle between direct and repeat modes. Concentric Ring Switch Repeat Mode Direct Mode

  7. How to Determine When to Use 7-71-72 N

  8. Why Not Just Use FDTA and Avoid the Changes? • While FDTA is a conventional channel, it needed to stay separate from the VRS. • A VRS will not always be available (e.g., calls where the BCs don’t respond) • Prince George’s County agreed to share the channel that we are using so long as it is only used when a VRS is needed

  9. New Template & Changes

  10. Template Changes: 7s for Montgomery County

  11. Template Changes: 7s for Montgomery County • 7: Primary Zone, formerly Fire Zone 7 • 71: Formerly Zone 8 • 72: Formerly EMS Zone 9 • 73: Formerly 18, Still MC Police Zone • 74: Formerly 11, Still Major Incident Zone • 75: Formerly 12, Still Coordination Zone • 76: Formerly 17, Still Admin Zone • 79: Formerly 10, Still Hospital Zone

  12. Template Changes: 7-71-72 Talkgroup Shift

  13. Template Changes: 7-71-72 Talkgroup Shift • 7 & 9 No Longer Mirrored for INC 20 & INC 30 • INC 10: No Change (7C – 7F) • INC 20: No Change (7G – 7J) • INC 30: 71C – 71F • INC 40: 71G – 71J (new) • INC 50: 72F – 72I (new) • INC 60: 72J – 72M (new) • Chit-Chat: 7K, 7L, 71K and 71L (ANN also Available on M) • HNET Shifted to 72Q for EMS Duty Officers

  14. Template Changes: 7-71-72 Talkgroup Shift • No Changes to Any of the Following: • DISP (7-71-72 A) • OPS (7-71-72 B or P) • FDTA (7-71-72 O) • EMRC (72C – E)

  15. Template Changes: COG Coordination Shift

  16. Template Changes: COG Coordination Shift • DC: 0 (Unchanged), add 03 (DC MA – Requires a Patch) 01-02 will be added when we buy new model radios • PG: 8 (Expected 700 or 800 MHz within a Few Years) • Frederick: 9 • Howard: Renamed HO • Carroll: Renamed CA • Mutual Aid: Renamed MA (from Zone 13)

  17. Template Changes: November

  18. Template Changes: November • 7-71-72 N has become the VRS Channel. • It is easily accessible in most any environment.

  19. New Template & Changes

  20. Need a Cheat Sheet?