BOOK 11 Flashcards
1
Q
As a general rule, most members have developed their radio communication skills by _____________.
A
By listening to radio messages
2
Q
Radio communications are the _______ of the Los Angeles Fire Department’s emergency operations.
A
Lifeline
3
Q
The _____ and ________ of the building have a direct impact on the ability of a radio wave to penetrate the structure.
A
Size and construction type
4
Q
TRUE OR FALSE: All 18, 800 MHz radio channels, MDT messages and phone calls into and from MFC are recorded on a 24-hour basis.
A
TRUE
5
Q
All radio a are assigned a ____ digit identification number that is transmitted and recorded each time a radio is keyed.
A
4-digit identification number
6
Q
When requesting assistance from outside agencies, allow approximately ____ before requesting ETA’s.
A
30 minutes
7
Q
What does the term “Roger” mean?
A
“Roger” means that a radio message is received and understood. DO NOT roger a message that should be answered with a yes of no
8
Q
What does the term “Covered” mean?
A
“Covered” means a stronger signal has interfered with and overpowered another signal, making the weaker signal unreadable
9
Q
What does the term “Code 20” mean?
A
“Code 20” a widely used code which indicates that an occurrence has potential value to the news media
10
Q
What is an “Alert 2”?
A
“Alert 2” Over land, an aircraft has, or is suspected to have an operational issue that affects normal flight operations to the extent there is a danger of an accident
11
Q
What is a “Blue 2”?
A
“Blue 2” Over water, an aircraft has, or is suspected to have an operational issue that affects normal flight operations to the extent there is a danger of an accident
12
Q
What is an “Alert 3”?
A
An aircraft accident has occurred on, or in the vicinity of the airport
13
Q
What is a “Flue 3”?
A
“Blue 3” An aircraft accident has occurred in the water
14
Q
LAPD dispatch is called _______.
A
Control
15
Q
Los Angeles County Fire Dispatch is called ____.
A
LA
16
Q
A
A
Alpha
17
Q
B
A
Bravo
18
Q
C
A
Charles
19
Q
D
A
Delta
20
Q
E
A
Echo
21
Q
F
A
Foxtrot
22
Q
G
A
Golf
23
Q
H
A
Hotel
24
Q
I
A
India
25
J
Juliett
26
K
Kilo
27
L
Lima
28
M
Mike
29
N
Nora
30
O
Oscar
31
P
Papa
32
Q
Quebec
33
R
Romeo
34
S
Sierra
35
T
Tango
36
U
Uniform
37
V
Victor
38
W
Whiskey
39
X
X-ray
40
Y
Yankee
41
Z
Zulu
42
MFC, METO or the backup signal office located at FS 108 can send signals how?
Either by wire, microwave or by a combination of both
43
Hold the microphone ________ from the mouth or, when speaking through a SCBA mask, place the microphone near the voice port on the face piece.
A couple inches from the mouth
44
The LAFD has ____ different communication systems. What are they?
2 different communication systems. The first is the “voice” radio system and the second is the “data” radio system
45
The ______ radio system is the system commonly recognized because it is the system we receive dispatches and talk from unit to unit every day.
The voice radio system
46
The _____ system carris our Mobile Display Terminal (MDT) communications. Because our interaction is limited, it is commonly not though of as a radio system.
The data radio system
47
The LAFD voice radio system operates in the ____ MHz range, and the data radio system operates in the ____ MHz range.
800 MHz range; 500 MHz range
48
TRUE OR FALSE: The 800 MHz frequency band used by the LAFD is a more compact and powerful wave when compared to VHF or UHF.
TRUE.
VHF: 100 MHz
UHF: 500 MHz
49
VHF signals tend to ______ over hills and up canyons.
“Crawl”
50
The 800 MHz mobile units transmit at ___ Watts.
35 Watts
51
LAFD portable radios transmit ___ or ___ Watts of power (depending on model).
2 or 4 Watts
52
There are ____ basic modes of operation for a radio system.
3 basic modes
1) Simplex
2) Duplex
3) Simulcast
53
In simplex, ____ frequency(is) are used.
1 frequency
54
In duplex, ____ frequency(is) are used.
2 frequencies
55
When is the “Simulcast” mode used?
The “Simulcast” mode is used when transmitting mobile to mobile in the repeat mode. With this system a mobile or portable radio, or METRO can be heard throughout the city
56
Portable radios has a transmit range of up to about _______ in simplex or direct mode under the best of conditions
2-3 miles
57
_______ rather than transmit power is the primary value of portable radios.
Portability
58
The UHF Radio has a _____ band on the antenna.
Blue
59
The VHF radio has a _____ band on the antenna
White
60
The 700/800 MHz radio has a ____ band on the antenna.
Red
61
The _______ issues guidelines and restrictions on the use of radio transmissions. If these guidelines and restrictions are not followed, the Department risks losing its assigned frequencies.
Federal Communications Commission (FCC)
62
If an incident escalates to a _________ or larger incident, a Code 20 notification is automatic, verbal notification is not required.
A greater alarm or larger
63
Channel ___ has been designated as the Department’s Command Channel.
Channel 11
64
During greater/major incidents, Channel 11 shall be monitored by _______ and ____ until such time as both agree to discontinue its use
The Incident Commander an MFC
65
The FCC limits transmitter power to a level that would not adequately cover the entire city even if it was flat. LAFD radio transmitters amplify signals to a maximum of ____ watts.
Maximum of 155 watts
66
The most basic practical antennas are __________, and have approximately equal coverage for 360 degrees around the antenna.
Omni-directional
67
VHF operates on what MHz range?
100
68
UHF operates on what MHz range?
500
69
As the receiver travels further from the transmitter, the signal level decreases to the point where the error correction cannot correct all errors in the signal. When this point is reached, the receiving users will hear som distortion in the signal and may hear some strange non-speech noises which are sometimes called ________.
“Evoking”
70
The Department has ___ radio interoperability vehicles.
2
71
What are radio interoperability vehicles?
The radio interoperability vehicles are a grand version of the portable repeaters with much more capability
72
Non-operative MDC’s represent approximately ____ of all mobile repairs.
39%
73
The purpose of Tactical Channels is to ________________________.
Reduce the overall radio traffic on any one channel
74
Does MFC normally monitor tactical channels?
No
75
The Department’s Radio Communication protocol is that radio communications shall be composed of ______________.
Plain commonly used English
76
Ventura County Fire dispatch is called _________.
Venture
77
US Forest Service, Angeles National Forest dispatch is called __________.
Angeles
78
Dispatch Center communications for any of the 11 agencies managed by Verdugo Communications center would be addressed to __________.
Verdugo
79
What are the 4 considerations that members should remember when making radio transmissions?
1) Think about what you are going to say
2) Ask yourself if the message is necessary
3) Keep it brief
4) When you key the mike, be prepared to speak
80
When transmitting on the radio, hold the press to talk button down for how long before transmitting?
Hold it down momentarily before transmitting. This keeps the first words in the message from being “clipped”
81
When speaking on the radio, keep the microphone CLOSE to your mouth - about ______ away
About 1 inch away
82
Radio messages not acknowledged should be assumed what?
Should be assumed that they were not received
83
Members should not use _________, exchange ___________ or offer ___________ while using the radio.
Should not use profanity, exchange pleasantries or offer personal greetings while using the radio
84
Once a continuing dialogue is established with the dispatcher or a Field Unit, it is not necessary to do what?
It is not necessary to continue repeating your unit identification and other obvious information each time you key the transmitter
85
There are ____ strategically located remote transmit/receive sites serving the LAFD voice radio system.
10
86
Where is the city wide voice back-up system?
Mt. Lukens
87
Coverage for the data radio system (MDT) is provided through ___ fixed sites.
6
88
The Department currently has ____ dispatch and control centers
2. These are recognized as “METRO” and “Coldwater”
89
Radio communications are possible because of _____________.
Electromagnetic waves
90
TRUE OR FALSE: In general, the higher the frequency of the waves used by the radio, the shorter the antenna on the radio.
TRUE. The length of a radio antenna is related to the wave length with which the antenna is designed to operate
91
Currently the LAFD uses ____ different frequency bands
4 different frequency bands
1) 800 MHz
2) 700MHz
3) Ultra High Frequency (UHF / 500 MHz)
4) Very High Frequency (VHF / 100 MHz)
92
The LAFD is only licensed to use what radio frequency bands?
700 MHz and 800 MHz bands
93
The Los Angeles City repeaters for the LAFD system operate only in _____ MHz.
800 MHz
94
TRUE OR FALSE: When a portable radio is worn at waist level, such as with a belt clip or holster, the user’s body absorbs some of the signal transmitted or received by the radio.
TRUE
95
The “___” leg frequency is defined as mobile to base. The “____” leg frequency is defined as base to mobile.
“Up” leg; “Down” leg
96
What is a solution to improving communication between field units inside buildings or tunnels and dispatch and other on-scene units?
Bidirectional amplifiers (BDAs(
97
IMPRES Battery Charger Operation: Steady Red
Battery is in rapid charge mode
98
IMPRES Battery Charger Operation: Flashing Green
Battery is in trickle charge
99
IMPRES Battery Charger Operation: Steady Green
Battery is fully charged
100
IMPRES Battery Charger Operation: Flashing Yellow
Charger is waiting to charge (temperature of battery too hot or too low)
101
IMPRES Battery Charger Operation: Flashing Red
Battery not making proper contact
102
IMPRES Battery Charger Operation: Steady Yellow
Battery is in recondition mode
103
IMPRES Battery Charger Operation: Flashing Red/Green
Battery is fully charged but is nearing the end of its rated service life
104
TRUE OR FALSE: Portable radios are inventory items.
TRUE
