MCFRS Radio System Basics and Operations
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Questions and Answers

What is the function of the Failsoft mode in the MCFRS Radio System?

  • To provide enhanced communication during emergencies.
  • To operate the system independently from the network.
  • To continue communication if major computer problems occur. (correct)
  • To reduce radio traffic by limiting channel availability.

    • Which channel is associated with Mutual Aid in the provided radio fleet map?

  • N7
  • N6
  • N5 (correct)
  • N9

    • How many tower sites does the MCFRS 800 MHz radio system use in total?

  • 18
  • 22 (correct)
  • 10
  • 25

    • Which of the following channels is NOT part of the MCFRS secure communications?

    <p>7A</p> Signup and view all the answers

    What does the 'N' in 'FS6 (NIST)' designate within the MCFRS radio system?

    <p>Research facility</p> Signup and view all the answers

    What is the primary purpose of the MCFRS Failsoft Radio Fleet Map?

    <p>To provide a guide for using different radio channels.</p> Signup and view all the answers

    Which area channel code corresponds to 'OPS 1' for operational purposes?

    <p>7A</p> Signup and view all the answers

    Which channel is used for emergency and announcement communications within the MCFRS system?

    <p>ANNC</p> Signup and view all the answers

    In the context of the MCFRS radio system, what does 'MCP' stand for?

    <p>Mobile Command Post</p> Signup and view all the answers

    What does 'MULTI-CALL' signify in the communication protocol?

    <p>It is equivalent to MCFRS 'J' zone.</p> Signup and view all the answers

    What is the purpose of the 700 MHz National Tactical Channels in positions I-P?

    <p>To facilitate local agency communications on an 'as needed' basis.</p> Signup and view all the answers

    What should a MCFRS unit do if they have an emergency while in Howard County?

    <p>Transmit a specific emergency message as instructed.</p> Signup and view all the answers

    What is the meaning of 'L.U.N.A.R' in the context of MAYDAY operations?

    <p>An acronym for a reporting guideline during emergencies.</p> Signup and view all the answers

    Which of the following zones corresponds to the Emergency contacts for Howard County?

    <p>Zone D includes a direct line to Howard County Emergency Services.</p> Signup and view all the answers

    What does 'CONFIRM' indicate in a communication context?

    <p>An affirmation of receipt of important information.</p> Signup and view all the answers

    What is shared by the 'MAYDAY OPS' during communications?

    <p>They operate on a specified incident talk group.</p> Signup and view all the answers

    Which of the following statements is true regarding the 'MULTI' zone in communication?

    <p>It includes both positions A-H and I-P for diverse operations.</p> Signup and view all the answers

    What is required from personnel when using A4 and A5 talk groups?

    <p>They must identify their FD ID#</p> Signup and view all the answers

    Which talk groups are equivalent to MCFRS 72 C, D, & E?

    <p>A4, A5, and A6</p> Signup and view all the answers

    What should be done first during MAYDAY operations?

    <p>Transmit 'MAYDAY, MAYDAY, MAYDAY' followed by a LUNAR</p> Signup and view all the answers

    What is the response if Montgomery County confirms or does not respond to an EB activation?

    <p>Emergent police response and closest manpower will be dispatched</p> Signup and view all the answers

    What must be done with all Fire Ground (FG) operations during MAYDAY operations?

    <p>They must switch to the 4th TG in the group</p> Signup and view all the answers

    What is the function of A15 FDTA and B15 FDTA in this context?

    <p>They are equivalent to '7 OSCAR'</p> Signup and view all the answers

    If a unit is hailed during an EB activation, what should the unit do?

    <p>Confirm or deny the activation</p> Signup and view all the answers

    What likely happens if a personnel fails to communicate their FD ID#?

    <p>A 'SIGNAL 2' will be assumed</p> Signup and view all the answers

    What signal is referenced for Eng TK SQ 7**?

    <p>SIGNAL 2</p> Signup and view all the answers

    What does HOF stand for in the context provided?

    <p>Howard Operational Framework</p> Signup and view all the answers

    What is the primary function of the fire/rescue apparatus mentioned?

    <p>To assist in emergencies</p> Signup and view all the answers

    In what scenario would DELTA 1 and DELTA 2 be used?

    <p>In an accident scenario</p> Signup and view all the answers

    Which positions are defined as equivalent in Zones A - D?

    <p>November and Oscar</p> Signup and view all the answers

    What happens to the dispatched fire/rescue apparatus regarding communication?

    <p>They are put on a different talk group</p> Signup and view all the answers

    What signifies an accidental activation in the context provided?

    <p>The term 'accidental activation' is used</p> Signup and view all the answers

    Which of the following represents a unit code mentioned?

    <p>RN5D</p> Signup and view all the answers

    What purpose does the '10‐33' communication serve?

    <p>Emergency situation notifications</p> Signup and view all the answers

    Which units are used for patching non-DCFEMS units if needed?

    <p>MA1 and MA2</p> Signup and view all the answers

    What does it indicate if 'ALL TALK GROUPS IN RED ARE ENCRYPTED/SECURE'?

    <p>They are for secure communications only</p> Signup and view all the answers

    What is the '0H' zone primarily designated for?

    <p>Hospital consults</p> Signup and view all the answers

    Which statement is true regarding the '15 DIR2' and '16 DIR1' channels?

    <p>They function similarly to MCFRS 7 OSCAR</p> Signup and view all the answers

    What should one be mindful of before transmitting on a secure talk group?

    <p>Surroundings and non-secure channels</p> Signup and view all the answers

    What is indicated by a communication declaring 'your 10‐33 has been received'?

    <p>Acknowledgment of emergency situation</p> Signup and view all the answers

    What term refers to the activation of emergency broadcast procedures?

    <p>EB activation</p> Signup and view all the answers

    What is the equivalent of '7 OSCAR' in the MCFRS system?

    <p>RINS5D</p> Signup and view all the answers

    What is the assignment basis for the 700 MHz National Tactical Channels in the 'MULTI' zone positions I-P?

    <p>Assigned on an 'as needed' basis</p> Signup and view all the answers

    Which positions correspond to the communication for Howard counties in the HOF A-D?

    <p>A1 to H8</p> Signup and view all the answers

    What action should be taken when declaring an emergency in Howard County?

    <p>Transmit a specific message</p> Signup and view all the answers

    What does the acronym 'L.U.N.A.R' represent in MAYDAY operations?

    <p>Location, Unit number, Nature of emergency, Assignment, Resources</p> Signup and view all the answers

    How do the 'MULTI-CALL', 'MULTI-2', etc., relate to the MCFRS system?

    <p>They are similar to the MCFRS 'J' zone</p> Signup and view all the answers

    What is the main function of the HOF A channel in the Howard County communication system?

    <p>Direct dispatch communication</p> Signup and view all the answers

    What does the communication terminology 'CONFIRM' generally imply in this context?

    <p>Acknowledgment of a message</p> Signup and view all the answers

    What does the '0H' zone primarily function as?

    <p>For hospital consultations</p> Signup and view all the answers

    Which talk groups are utilized for patching non-DCFEMS units if needed?

    <p>MA1, MA2, MAF1 &amp; MAF2</p> Signup and view all the answers

    What should be checked before transmitting on a secure talk group?

    <p>Surroundings for potential threats</p> Signup and view all the answers

    What does communication stating 'your 10‐33 has been received' indicate?

    <p>Acknowledgment of emergency traffic</p> Signup and view all the answers

    What implications does the statement 'ALL TALK GROUPS IN RED ARE ENCRYPTED/SECURE' have?

    <p>Communications on these channels require clearance</p> Signup and view all the answers

    What zone is specified for emergency broadcast procedures in the context provided?

    <p>16 CW1</p> Signup and view all the answers

    Which units correspond to 10-33 communications in emergency situations?

    <p>DC FEMS 0 &amp; 0A</p> Signup and view all the answers

    Which of the following statements about the 15 DIR2 and 16 DIR1 channels is accurate?

    <p>They are similar to MCFRS 7 OSCAR</p> Signup and view all the answers

    What must personnel provide when using A4 and A5 talk groups to avoid an assumed 'SIGNAL 2'?

    <p>Their FD ID#</p> Signup and view all the answers

    What should the unit do first during MAYDAY operations?

    <p>Transmit 'MAYDAY, MAYDAY, MAYDAY' and provide a LUNAR</p> Signup and view all the answers

    What is the primary action if Montgomery County confirms or does not respond to an EB activation?

    <p>Emergent police response and closest manpower piece will be dispatched</p> Signup and view all the answers

    What happens to Fire Ground (FG) operations during MAYDAY operations?

    <p>They move to the 4th TG in the group</p> Signup and view all the answers

    What should be done if a unit is hailed during an EB activation?

    <p>Respond with their FD ID#</p> Signup and view all the answers

    Which talk groups are equivalent to MCFRS 72 C, D, & E?

    <p>A4, A5, and A6</p> Signup and view all the answers

    What is the function of A15 FDTA and B15 FDTA in this communication context?

    <p>They are equivalent to '7 OSCAR'</p> Signup and view all the answers

    What is indicated if a personnel fails to communicate their FD ID#?

    <p>A 'SIGNAL 2' will be assumed</p> Signup and view all the answers

    What is the non-emergency number for Prince George's County?

    <p>(301) 352-1200</p> Signup and view all the answers

    Which of the following channels is related to emergency announcements in the NIST zone?

    <p>LGE ANN</p> Signup and view all the answers

    Which unit is used for operational command in the IMT section?

    <p>IMT 2 OPS</p> Signup and view all the answers

    Which of the following represents a backup unit in the radio system?

    <p>DICKERSON</p> Signup and view all the answers

    What is the primary designation of channel A2 in the PG North zone?

    <p>A2-OPS</p> Signup and view all the answers

    Which communication zone includes a channel for police operations labeled SEV 1?

    <p>PUB SAFETY</p> Signup and view all the answers

    Identify the correct channel for emergency medical communications in the PG EMS zone.

    <p>B6-MED</p> Signup and view all the answers

    What does the 'D' indicate in the communication context of RINS1 D?

    <p>Designated</p> Signup and view all the answers

    Which channel is associated with the Montgomery County Fire and Rescue Communications?

    <p>B5</p> Signup and view all the answers

    Which channel is designated as 'MEDIA' in the context of emergency communications?

    <p>PS 4</p> Signup and view all the answers

    What should units do in the event of a total 800 MHz system failure if using APX-7000XE radios?

    <p>Switch to 7V1 VHF OPS or 7V2 VHF DSP R</p> Signup and view all the answers

    Which channel should be used by all other radios (APX-6000XE) during a total 800 MHz system failure?

    <p>MA: 800 IO followed by 8TAC91</p> Signup and view all the answers

    If there is a communication failure with the Sonim phone, what is the next step?

    <p>Switch to the 'U' zone</p> Signup and view all the answers

    What is the recommended action if the MCFRS 7 Alpha or 7 Bravo cannot be used?

    <p>Use the MCFRS Sonim phones assigned to the apparatus</p> Signup and view all the answers

    Which of the following statements regarding the PSCC announcement is correct?

    <p>It occurs after failure of the 800 MHz system</p> Signup and view all the answers

    What does the 'ZelloWork' icon allow MCFRS personnel to access?

    <p>The 'CHANNELS' tab for communication settings</p> Signup and view all the answers

    In regard to communication channels, what should a MCFRS unit do based on their location in the county?

    <p>Choose the appropriate channel based on their location</p> Signup and view all the answers

    Which feature is available within the MCFRS Sonim phones for communication?

    <p>Touch screen 'PTT' and side 'PTT' button</p> Signup and view all the answers

    What must personnel provide when using A4 and A5 talk groups to avoid an assumed 'SIGNAL 2'?

    <p>Their FD ID#</p> Signup and view all the answers

    During MAYDAY operations, what is the first action a personnel should take?

    <p>Transmit 'MAYDAY, MAYDAY, MAYDAY' and provide a LUNAR</p> Signup and view all the answers

    What should personnel do if they are hailed during an EB activation?

    <p>Confirm or deny the request immediately</p> Signup and view all the answers

    What happens to Fire Ground (FG) operations during MAYDAY operations?

    <p>All FG operations are switched to the 4th TG in the group</p> Signup and view all the answers

    What does signal confirmation by Montgomery County during EB activation lead to?

    <p>Dispatching emergent police response and manpower</p> Signup and view all the answers

    Which of the following channels is equivalent to the MCFRS 72 C, D, & E?

    <p>A4, A5, and A6</p> Signup and view all the answers

    During which process is personnel instructed to activate the 'EB' button?

    <p>In a MAYDAY situation after transmitting 'MAYDAY'</p> Signup and view all the answers

    What is the immediate operational response if the unit confirms an EB activation?

    <p>Reset and continue the operation</p> Signup and view all the answers

    What key phrase should a unit use to initiate MAYDAY operations?

    <p>MAYDAY, MAYDAY, MAYDAY</p> Signup and view all the answers

    What should be communicated after stating 'MAYDAY' during operations?

    <p>Unit Code, Actions, and Needs</p> Signup and view all the answers

    Which zone in the MCFRS Radio Reference Guide primarily handles emergency declarations in the District of Columbia?

    <p>Zone 0</p> Signup and view all the answers

    When an MCFRS unit is dispatched and needs to declare an emergency, what is the initial step they must take?

    <p>Transmit the Established Protocol</p> Signup and view all the answers

    In the context of the communications mentioned, what does the acronym 'UCAN' stand for?

    <p>Unit, Condition, Action, Needs</p> Signup and view all the answers

    What should be done if a dispatcher receives an open mic transmission following an Emergency Button activation?

    <p>Evaluate the traffic and announce fire alarm procedures.</p> Signup and view all the answers

    During MAYDAY procedures, what sequence must the unit in distress follow after declaring MAYDAY?

    <p>Say MAYDAY three times and provide their unit number.</p> Signup and view all the answers

    Which of the following statements is true regarding Zone Designations in Anne Arundel County?

    <p>Zone K consists of units related to fire suppression.</p> Signup and view all the answers

    What is the primary role of the dispatcher after receiving an Emergency Button activation?

    <p>Assess the situation and coordinate additional support if needed.</p> Signup and view all the answers

    Which channel is likely to be used for emergency communications in the Fairfax County zone?

    <p>DISP</p> Signup and view all the answers

    What is the crucial element of the 'MAYDAY' declaration in terms of communication?

    <p>It must include the unit number and adhere to the L.U.N.A.R protocol.</p> Signup and view all the answers

    In the context of emergency channel designation, what does 'SOP' stand for?

    <p>Standard Operations Procedure</p> Signup and view all the answers

    What is the role of the dispatcher when a unit sails through an EB activation but receives no acknowledgement?

    <p>Assume the unit is incapacitated and dispatch additional resources.</p> Signup and view all the answers

    Which channel codes are specifically similar to the MCFRS channels?

    <p>72 C, D, &amp; E</p> Signup and view all the answers

    What should a unit do if they are hailed during an EB activation?

    <p>Respond with their unit number and status</p> Signup and view all the answers

    What action should be taken if the response to a dispatch is 'DENY'?

    <p>Notify the dispatcher and reset the EB button</p> Signup and view all the answers

    In the context of communication codes, what does 'MULTI-CALL' signify?

    <p>A coordinated emergency message transmission</p> Signup and view all the answers

    Which of the following units corresponds to the designation 'TAC 20'?

    <p>Fred FD 9</p> Signup and view all the answers

    What is the primary use of the channels categorized under positions I-P in the Multi zone?

    <p>For emergency and tactical operations</p> Signup and view all the answers

    How should communication protocols be adjusted if operating in a scenario similar to Montgomery County?

    <p>Reset the EB button and adjust channel utilization</p> Signup and view all the answers

    What does the communication format 'Frederick to Rescue Engine 709, CONFIRM OR DENY?' require from the responding unit?

    <p>A binary response indicating confirmation or denial</p> Signup and view all the answers

    What effect does Failsoft have on the radio system's capacity?

    <p>Greatly restricts capacity while coverage remains the same</p> Signup and view all the answers

    Which channel is always patched to 7A2 DISP?

    <p>7V2</p> Signup and view all the answers

    In the MCFRS radio fleet map, which zone number corresponds to '7F Coord FG'?

    <p>5</p> Signup and view all the answers

    What is the primary operational function of channels 7A1 OPS 1 and 7A2 DISP?

    <p>Conducting daily operational communications</p> Signup and view all the answers

    Which zones use channels designated as 'INC' in their labeling?

    <p>7A, 7B, 7C</p> Signup and view all the answers

    Which of the following zones corresponds to 'Public Safety'?

    <p>J</p> Signup and view all the answers

    Which channel in the fleet map is designated for the National Tactical Channels?

    <p>I IMT Secure</p> Signup and view all the answers

    What action is typically associated with the channel labeled 'ILOS' in the context provided?

    <p>Operational coordination during crises</p> Signup and view all the answers

    Which zone contains channels that utilize 'S' for secure communication?

    <p>7E</p> Signup and view all the answers

    Which of the following channels corresponds with public safety functions within the MCFRS system?

    <p>7E12 US PK PD4</p> Signup and view all the answers

    What is the designation given to channels marked by 'MC' in the provided communication system?

    <p>Mobile Command</p> Signup and view all the answers

    Which VHF channel is identified as 'VHF DISP R'?

    <p>7V2</p> Signup and view all the answers

    What operational feature is specifically associated with the '7A' zones in the MCFRS?

    <p>Fire ground operations</p> Signup and view all the answers

    Study Notes

    MCFRS Radio System Basics

    • MCFRS radio system uses 22 tower sites networked together for county-wide communication
    • The system uses failsoft mode to maintain partial functionality in case of major computer problems
    • MCFRS uses 7 OSCAR for inter-agency communication
    • "Signal 2" is used for emergency declarations in Howard County, meaning all units will need to hold their air
    • MCFRS FailSoft radio fleet uses different talk groups (TGs) such as DISP, OPS, INC, ANNC.

    MCFRS Mayday Operations

    • Transmit "MAYDAY, MAYDAY, MAYDAY" followed by a LUNAR explanation
    • Activate the "EB" button and/or activate the PASS device
    • Mayday operations remain on the primary incident TG, while all other FG operations are switched to the 4th TG
    • Mayday protocols on FG10 would move continued FG operations to FG13.

    Caroll County Radio System

    • Carroll County's radio system uses Zone CFR, which allows for specialized communication for different agencies.
    • A4, A5, and A6 are equivalent to MCFRS 72 C, D, and E
    • Carroll County uses their own "EB" activation process for Montgomery County units, requiring a confirmation or denial response
    • A15 FDTA and B15 FDTA are the MCFRS equivalent to "7 OSCAR"
    • For accidental activation in Zone CFR, units must transmit "10-33"

    Howard County Radio System

    • Howard County's radio system uses Zone HOF.
    • A5, B5, C5, and D5 are equivalent to MCFRS 7 OSCAR, meaning a "Signal 2" is similar to a "7 OSCAR"
    • Howard County has a separate emergency declaration protocol with a "Signal 2."
    • If outside agencies are assisting during a "Signal 2" in Howard County, their radio communication will be switched to a different talk group.

    DCFEMS Radio System

    • DCFEMS radio system uses the "RIZ" zone and can work in "Failsoft" or "Site trunking" mode.
    • "0H" zone is used for communications related to hospital consultations.
    • DCFEMS uses a separate activation process for EB activation and "10-33" is used to communicate the activation

    General Radio System Information

    • All talk groups in red are encrypted and secure, and users should be mindful of their surroundings before transmitting on secure talk groups.
    • MA1, MA2, MAF1, and MAF2 are used for patching non-DCFEMS units.

    Maryland Fire and Rescue Communications Zones

    • Carroll County Zone CRF1:
      • A1 MAIN - Main channel
      • A2 FIRE - Fire channel
      • A3 EMS 1 - EMS channel 1
      • A4 CALL 801 - Equivalent to MCFRS 72-C (Montgomery County Fire and Rescue Service)
      • A5 MED 804 - Equivalent to MCFRS 72-D
      • A6 MED 808 - Equivalent to MCFRS 72-E
      • A7 FG 10 - Fireground channel 10
      • A8 FG 11 - Fireground channel 11
      • A9 FG 12 - Fireground channel 12
      • A10 FG 13 - Fireground channel 13
      • A11 FG 20 - Fireground channel 20
      • A12 FG 21 - Fireground channel 21
      • A13 FG 22 - Fireground channel 22
      • A14 FG 23 - Fireground channel 23
      • A15 FDTA - MCFRS equivalent to "7 OSCAR" (dispatch tone alert)
      • A16 DISP- Dispatch channel
    • Carroll County Zone CRF2:
      • B1 MAIN - Main channel
      • B2 FIRE - Fire channel
      • B3 EMS 2 - EMS channel 2
      • B4 BLNK - Blank channel
      • B5 BLNK - Blank channel
      • B6 BLNK - Blank channel
      • B7 FG 30 - Fireground channel 30
      • B8 FG 31 - Fireground channel 31
      • B9 FG 32 - Fireground channel 32
      • B10 FG 33 - Fireground channel 33
      • B11 FG 40 - Fireground channel 40
      • B12 FG 41 - Fireground channel 41
      • B13 FG 42 - Fireground channel 42
      • B14 FG 43 - Fireground channel 43
      • B15 FDTA - MCFRS equivalent to "7 OSCAR"
      • B16 DISP - Dispatch channel
    • Montgomery County Fire and Rescue Communications
      • Phone number: (240) 777-2233
      • In case of total 800 MHz System Failure:
        • APX-7000XE (Unit Officer Portables)
          • Switch to 7V1 VHF OPS or 7V2 VHF DSP R
        • APX-6000XE (All other radios)
          • Switch to zone “MA: 800 IO”, then switch to 8TAC91
    • Montgomery County Fire and Rescue Stations:
      • B1
      • B2
      • B3
      • B4
      • B5
      • U KILO
      • U MIKE
      • U PAPA
      • U HOTEL
      • U OSCAR

    Maryland Fire and Rescue Communications Procedures

    • When activating units in Montgomery County from Carroll County:
      • Hail the unit with "Carroll to Montgomery County PE-713 CONFIRM OR DENY?"
      • If they DENY: Reset and continue operation
      • If they CONFIRM or NO RESPONSE: Emergent police response and closest manpower will be dispatched.
    • Mayday Operations
      • 1st Transmission: "MAYDAY, MAYDAY, MAYDAY" followed by a LUNAR (same procedure as MCFRS)
      • 2nd Action: Activate "EB" button and/or activate PASS device.
    • Mayday operations will stay on the primary incident talk group.
    • All fireground operations will switch to the 4th talk group in the group.
    • Example: If Mayday ops are on "FG10", fireground operations will move to "FG13" and a PAR check will be done.
    • In the event of total 800 MHz system failure, use the APX-7000XE and APX-6000XE radios to switch to VHF or tactical channels.
    • How to communicate with dispatch using Sonim phones:
      • Touch the “ZelloWork” icon.
      • Go to the “CHANNELS” tab.
      • Turn on “*7A-DISP” (Dispatch)
      • Use the touchscreen “PTT” or the large “PTT” button to transmit.
    • If Sonim phone fails to work, switch to the “U” zone (works on MCFRS portable radios).
    • MCFRS uses "GOLF" for channels.
    • Units choose the appropriate channel based on their location.

    Other Maryland Fire and Rescue Communications Procedures:

    • Prince George's County (301) 352-1200
      • Non-Emergency Number: (301) 352-1200
      • Zone 8: 8A, 8B, and MULTI
      • Emergency: Transmit "CONFIRM" or "NO RESPONSE" for immediate Police dispatch.
      • Mayday Operations: Similar to MCFRS, use L.U.N.A.R.
      • Mayday operations remain on incident talk group.
      • New talk groups assigned for fireground operations.
    • Howard County (410) 313-2200
      • Zone HOF A: A1 DISP, A2 OPS1, A3 OPS2, A4 HCGHA, A5, A6 BAT 1, A7 BAT 2, A8 EMKX
      • Zone HOF B: BRAVO 1, BRAVO 2, BRAVO 3, BRAVO 4, B5, B6-STAGE, BRAVO 7, B8 - EMKX
      • Zone HOF C: CHARLIE 1, CHARLIE 2, CHARLIE 3, CHARLIE 4, C5, C6-STAGE, CHARLIE 8, C8 – EMKX
      • To declare an emergency in HOWARD, use "Unit: Eng TK SQ 7** to communications "10‐33"
      • Response: "OK Eng TK SQ 7** your 10‐33 has been received."
    • DC FEMS (District of Columbia Fire and Emergency Medical Services):
      • RIZ: DC9 EMA1, DC10 EMA2, BLANK, BLANK, BLANK, DC14 SPARE1, DC15 SPARE2, DC16 CW1
      • 0H: 9 UMCPED, 10 PROV, 11 POISON, 12 SIBLEY, 13 WHC, 14 SPARE, 15 VA, 16 PGHC
      • 0B: 9 INC 61, 10 INC 62, 11 SOD 1, 12 SOD 2, 13 SPEV 3, 14 SPEV 4, 15 DIR2, 16 DIR1
      • 0A: 9 INC 40, 10 INC 42, 11 EMS 1, 12 EMS 2, 13 EMS 3S, 14 EMS 4, 15 DIR2, 16 DIR1
      • 0: 9 INC 21, 10 INC 22, 11 EMS 5, 12 EMS 6, 13 SPEV 1, 14 SPEV 2, 15 DIR2, 16 DIR1
      • Channel 17 is accessed via radio keypad.
      • All talk groups in red are encrypted/secure/
      • MA1, MA2, MAF1, MAF2 are used for patching non-DCFEMS units.
      • 15 DIR2 & 16 DIR1 are similar to MCFRS 7 OSCAR.
      • The "0H" zone is for hospital consultations.
    • Emergency Broadcast (EB) Procedure:
      • On the "0H" zone for Hospital Consults, check your display.
      • In the event of an EB activation, you will hear the following: "THE "0H" ZONE FOR HOSPITAL CONSULTS"
      • Communication to "Unit", you should check your display.

    NIST Zones

    • NIST Zone: N, L, J, I, U

    GOVT EMG Zones

    • GOVT EMG Zone: L, J, I, U

    PUB SAFETY Zones

    • PUB SAFETY Zone: J, I, U

    IMT Zones

    • IMT Zone: I, U

    BACKUP Zones

    • BACKUP Zone: U

    Maryland Fire and Rescue Emergency Procedures

    • All radio transmissions on secure talk groups should be done with awareness of surroundings because they are encrypted.
    • Hospital consultations are done using the “0H” zone and unit displays will show this.
    • If your Sonim Phone fails to work, switch to the “U” zone for communication.
    • Mayday operations remain on the primary incident talk group.
    • Newly assigned talk groups will be used for fireground operations.
    • To declare an emergency in Prince George’s County, transmit "CONFIRM" or "NO RESPONSE" for immediate police dispatch.
    • To declare an emergency in Howard County, communicate “10‐33" to communications.

    Anne Arundel County

    • The radio dispatch number for Anne Arundel County is (410) 222-8271
    • There are 16 talkgroups for fire and rescue in Anne Arundel County.

    Fairfax County

    • The radio dispatch number for Fairfax County is (703) 691-2131
    • Fairfax County uses Talkgroups A4 and A5 for hospital consultation.
    • If a MCFRS unit goes into Fairfax County and has an emergency, they should transmit the following:
      • The unit's MCFRS talkgroup followed by "Emergency."
      • The unit's FD ID number

    ### Carroll County

    • The radio dispatch number for Carroll County is (410) 848-4343
    • Carroll County uses Talkgroups A4, A5, and A6 for the same purpose as MCFRS 72 C, D, and E
    • If a MCFRS unit goes into Carroll County and has an emergency, Carroll County will hail the unit to confirm or deny the activation. If is an emergency, they will send police and the nearest manpower piece.

    ### Frederick County

    • The radio dispatch number for Frederick County is (301) 694-1603
    • If a MCFRS unit goes into Frederick County and has an emergency, the dispatcher will transmit the following "Frederick to (unit number), confirm or deny?"
    • If the response is "Deny", the unit should reset their EB button as if they were operating in Montgomery County.
    • If the response is "Confirm", the unit should continue operating in Maryland.

    ### District of Columbia

    • The radio dispatch number for the District of Columbia is (202) 673-3266
    • If a MCFRS unit goes into the District of Columbia and has an emergency, they should transmit the following:
      • The unit's MCFRS talkgroup followed by "Emergency."
    • If the response is "Deny", the unit should reset their EB button as if they were operating in Montgomery County.
    • If the response is "Confirm", the unit should continue operating in Maryland.

    Emergency Button Procedures

    • When an Emergency Button (EB) is activated, it automatically begins transmitting and creates an "open mic"
    • The dispatcher will listen to and evaluate the traffic. After the "open mic" transmission stops, the dispatcher will say the following...
      • (Jurisdiction) to (unit number), confirm or deny.
    • If no response from the unit, police and additional fire or rescue support are sent to assist.

    Mayday Procedures

    • The unit in question will say MAYDAY, MAYDAY, MAYDAY three (3) times, give their unit number
    • Then a L.U.N.A.R. (Location, Units, Needs, Actions, Resources) report should be given. Mayday operations will remain on the original talkgroup.
    • The unit should also activate their EB button and/or activate their PASS device.
    • All other operations will then move to the fourth talkgroup in the group.
      • For example, if Mayday operations are on "FG10", continued operations will move to "FG13"

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    Montgomery County, Maryland Fire & Rescue Service Land Mobile Radio System PDF

    Description

    This quiz covers the foundational principles of the MCFRS radio system, including its structure, functionality in emergencies, and specific operational protocols such as Mayday operations. Additionally, it touches on the communication systems used in Carroll County. Test your knowledge on emergency communication tactics and protocols.

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