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CFD 11 Month > IFSTA CH 2 + CFD Radio Communications > Flashcards

IFSTA CH 2 + CFD Radio Communications Flashcards

1
Q

radio systems exist in order to

A

ensure public safety
coordinate an appropriate emergency response
provide a central answering point

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2
Q

basic components

A

receiving information
interpreting information
relaying information

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3
Q

mobile radio

A

radio located inside the fire apparatus and attached to the console

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4
Q

portable radio

A

hand-held radio caried by a FF

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5
Q

DVRS repeaters

A

a repeater integrated with a mobile radio control head that merges the primary tactical channel with the backup simplex channel

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6
Q

zones

A

CFD has six zones

ABCDEF

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7
Q

Channels

A

16 channels per zone

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8
Q

base station

A

fixed mobile radio located in a fire station

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9
Q

tower sites

A

emit frequencies and aid in the sending and receiving of duplex radio communications

CFD has 8

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10
Q

Where are the tower sites located

A

bankers hall
spy hill
forest lawn
trans alta
fish creek park
airport
south calgary hospital
conventry north

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11
Q

Radio systems consist of

A

mobile radios (vehicle)
hand-held portable radios
Digital vehicle repeater systems (DVRS)

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12
Q

Radio systems can operate in either

A

duplex or simplex

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13
Q

duplex mode (trunking)

A

radio communications are transmitted on one frequency and received on another

must reach a radio tower

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14
Q

The following channels are duplex

A

tactical
utility
training
airport
zone (dispatch) channel
technical rescue
mutual aid

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15
Q

simplex mode (conventional)

A

radio to radio
sent and received on the same frequency
are “line of sight” and have limited transmission range, local to the area around the incident

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16
Q

by itself simplex does not reach

A

radio towers
duplex/tactical channels
dispatch

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17
Q

talk group

A

an addressing system where a zone is paired with a channel

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18
Q

duplex channel voice

A

female

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19
Q

simplex channel voice

A

male

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20
Q

dispatch channels

A

located within zone b and c
use channels b13-14 and c13-14
used primarily for communication between dispatch and apparatus officers

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21
Q

tactical channels

A

located within zone B and C
use channels B1-9 and C-19

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22
Q

utility channels

A

located within zone A
use channels A1-5
are used for non-emergency use like inspections, hydrant testing, in stations training and community events

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23
Q

training channels

A

Located in zone A
uses channel A7-11
- are used at training and are DVRS compatible (paired with D7-9 simplex)

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24
Q

simplex channels

A

located within zone E and F

use the same channels in correlation with tactical channels 1-12

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25
Q

EAB activation on simplex

A

will only reach other simplex users in close proximity

dispatch or duplex users will not receive a notification

26
Q

radio channels at a glance

A
27
Q

portable radio accountability

A

have a unique encoded 6-digit identifier

range from 760001 to 762000

28
Q

Dispatch registered radio database (DRRD)

A

DC will manage all portable radio issues including replacements, missing radios, conflicting data, etc.

only DC have replacement radios and the authorization to contact dispatch with portable radio updates or changes

29
Q

Active status

A

means radio is operational and assigned to a “seat position”

30
Q

Inactive Status

A

means radio is non-operational and assigned as “spare”

31
Q

Staffing limits

A

there are now staffing limits on apparatus to coincide with the number of assigned portable radios

5 assigned per engine and 3 per secondary

32
Q

exceptions to staffing limits

A

2 high rise has 4
10/11 rescue has 4
4 air light, tenders and boat tows have 2

33
Q

testing radio signal procedure

A
  1. call dispatch or another unit
  2. identify yourself
  3. advise dispatch/other unit that you want to complete a radio check
  4. confirm that dispatch/other unit is able to perform the radio check
  5. say “radio check 1 2 3 4 5 how do you read?”

Response is Clear x loud (5x5)

34
Q

Portable radio in water

A

submersible to 2 meters for 2 hours

35
Q

extreme temperature RSM cable

A

will withstand heat exposure of 500 degrees fahrenheit

36
Q

RSM best practices

A

wear radio mic on shoulder
position radio mic 1-2” away from mouth
do not cover the radio
loud, clear and controlled voice
shield RSM from background noise
ensure antenna is not covered when transmitting

37
Q

EAB

A

Emergency activation button

will activate the emergency alert tone, the LED light one the RSM which will flash “SOS” in morse code and the top/front LED screens will flash orange

38
Q

EAB on tactical/duplex

A

all other transmissions taking place on the tactical channel are interrupted

an emergency alert tone will be generated and heard by everyone on that channel and dispatch

6-digit identifier will be displayed on all radios and dispatch console

the user will have a hot mic (10 secs)
- EAB user should press PTT to avoid being interrupted after 10secs, PTT times out after 60secs

39
Q

Cancelling the Emergency call

A

push and hold the EAB until a single long beep can be heard

  • to cancel an EAB, the user will no longer be able to turn off the radio to reset
40
Q

three types of critical messages

A

Mayday
Emergency traffic
Urgent message

41
Q

alert tone steps

A
  1. wait for a break in radio traffic
  2. press and hold PTT
  3. maintain PTT and press EAB
  4. release PTT after length to garner attention (3-6secs)
  5. press PTT again and proceed with critical message
42
Q

DVRS

A

Digital vehicle repeater system

self-contained radio base station integrated with Motorola APX 6500 mobile radio control head

only function is to bridge or connect tactical channel with the corresponding backup simplex channel

43
Q

emergency service specific telecommunication center

A

separate telecommunications or dispatch centers that the fire department, EMS or law enforcement agency operates

44
Q

Public safety answering point (PSAP)

A

central location that takes all emergency calls and routes the call to the fire, EMS or law enforcement dispatcher

45
Q

E-911

A

system combines telephone and computer equipment to provide the dispatcher with information such as the callers location and phone number, directions to the location and other information about the address

46
Q

alternative alerting systems

A

radio
wired telegraph circuit box
telephone fire alarm box
radio fire alarm box

47
Q

processing emergency calls - collecting information

A

the type of emergency
location of emergency
number and location of people involved
name and location of the caller
callers callback number

48
Q

Basic information to be broadcast

A

units assigned
type of emergency
address or location
dispatch time
current conditions (wind, road closures, etc.)
units substituted into the normal assignmentc

49
Q

clear text

A

plain english rather than agency specific codes

50
Q

direct communication refers

A

to the straight-line travel of radio signals between the transmitting radio and the receiving radio

51
Q

fireground channel

A

when units arrive at the incident, a command channel is assigned to the IC while a second tactical channel is assigned for fireground operations

52
Q

radio limitations

A

distance
physical barriers
dead zones
interference
ambient noise

53
Q

Ways to overcome ambient noise

A

turn off the apparatus audible warning devices when they are no longer needed

move away from equipment

follow radio procedures at all times

move to location that blocks wind

use your body PPE to create a wind barrier

54
Q

sender

A

person who initiates the message

55
Q

receiver

A

individual to whom the sender is attempting to communicate

56
Q

message

A

the content that the sender is trying to communicate

57
Q

feedback to sender

A

reaction of the receiver and its tone

58
Q

interference

A

anything that prevents the receiver from fully understanding the message

59
Q

two communication rules

A

must identify themselves in every transmission
receiver should acknowledge the message

60
Q

ABCs of good communication

A

accurate
brief
concise

61
Q

speak into radio at a proper distance

A

1-2 inches

CFD 11 Month (32 decks)

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