Chapter 13

Question 1

Simplex HT Channels:

Answer 1

1, 2, 3, 4, 5, 6, 7, 8, 10, 13, and 16

Question 2

Duplex HT Channels

Answer 2

Transmit on one frequency but receive a signal back on a different frequency:
11, 12, 14, and 15

Question 3

T/F: Transmissions captured by Base Station Leaky Cable Simplex UHF or VHF Radio System are received by the base station radio but are not re-transmitted. Therefore, important messages that are needed to be heard by all members should be re-transmitted at the base station radio by the member monitoring transmissions

Answer 3

True

Question 4

What if a “dead spot” is found while using ARCS

Answer 4

Prior to abandoning the use of an ARCS channel, chiefs shall instruct units to return to a location where previous communications were successful. If successful, report dead spot to IC and continue using ARCS. If unsuccessful use HT on Ch 1 to report failure to IC

Question 5

If a building duplex UHF radio repeater system fails, consider utilizing the Reverse Channels of Post radio or FDNY Mobile UHF to transmit an emergency message. What are the reverse channels for 11, 12, 14, 15?

Answer 5

On the Post Radio; UHF Mobile Radio:
Channel 17 is Reverse Channel for 11
Channel 18 is Reverse Channel for 12
Channel 19 is Reverse Channel for 14
Channel 20 is Reverse Channel for 15

Question 6

T/F; The IC should conduct a Roll Call of units on the scene in a timely manner to insure all members have switched from the ARCS channel back to Channel 1

Answer 6

True

Question 7

Incorrect for Leaky Cable Simplex Radio
A. Transmissions made from base station will be carried by system’s cable to all areas of bldg
B. Transmissions captured by cable are received by the base station radio but are not re-transmitted
C. It’s a simplex radio that can either operate on FD UHF HT Ch 1-16 or via in-house radios (proprietary)
D. Important messages that are needed to be heard by all members must be re-transmitted at the base station by the member monitoring transmissions

Answer 7

C Ch 1-8 only

Question 8

(ARCS) incorrect
A: IC must notify the Dispatcher for relay to responding units any time an ARCS is activated
B: IC must notify the FAST Unit when additional communication channels are used. The FAST Unit will need to obtain an additional HT for each channel in use
C: IC must notify the Dispatcher/FDOC to request a Building/Facility representative report to the Command Post if one is not on the scene
D: IC should insure from the Dispatcher the response of a Field Comm Satellite Unit to work in conjunction with the Field Comm Unit, if possible, when an ARCS is utilized
E: IC should consider conducting a Roll Call on the Command channel of all Chiefs at the scene of an incident to insure they are operating on the correct communications channel, once a Command ch is est

Answer 8

E IC MUST conduct a Roll Call on the Command channel of all Chiefs at the scene of an incident to insure they are operating on the correct communications channel, once a Command channel is established
Comm ch 13 sec 4

Question 9

ARCS correct
A: 1st Engine Off will activate Bldg ARCS (1620 Key or ON/OFF switch) at the Fire Cmd Station, if so equipped
B: 1st Eng Off will instruct the member designated to staff the ICP to monitor the tactical and/or repeater channel/relay messages
C: 1st Eng Off will remain on Ch 1 or switch his/her HT to the Building duplex UHF radio repeater ch (11/12), or acquire an in-house radio for investigation team
D: 1st Lad Off will ensure a functional test is performed of the ARCS prior to leaving the lobby

Answer 9

D
A B C First arriving Ladder officer
Don’t get confused if the question has the second due ladder company arriving first. 1st Lad Off will notify the Dispatcher for re-transmittal to all incoming units if the Bldg duplex UHF radio repeater system and Channel (11 or 12) have been activated or in-house radios are being used. Officer and members will proceed to the location of the reported incident