PSD Radio Communications and Procedures 3

Question 1

What is the purpose of a 'talk-around' or 'direct' mode on a portable radio?

Accepted Answer

To allow units to communicate directly with each other without going through a repeater

Answer

Talk-around (direct) mode allows portable radios to communicate unit-to-unit, bypassing the repeater infrastructure.

Question 2

Which NATO phonetic alphabet letter corresponds to the letter 'K'?

Accepted Answer

Kilo

Answer

In the NATO/ICAO phonetic alphabet, 'K' is represented by 'Kilo'.

Question 3

A dispatcher receives a garbled transmission during which only the words 'officer down' are audible. The first action should be to:

Accepted Answer

Immediately begin emergency response protocols and attempt to locate the unit

Answer

Any partial transmission suggesting an officer-down situation warrants immediate emergency response while clarification is sought.

Question 4

Which of the following best describes 'interoperability' in public safety radio communications?

Accepted Answer

The ability of different agencies' radio systems to communicate with each other

Answer

Interoperability means different agencies using different systems can still communicate during multi-agency incidents.

Question 5

During a high-priority incident, a non-emergency unit begins transmitting routine traffic. The dispatcher should:

Accepted Answer

Interrupt and instruct the unit to stand by while emergency traffic is handled

Answer

Emergency traffic always takes priority; dispatchers must interrupt routine transmissions to protect the emergency channel.

(PSD) Certified Public Safety Dispatcher Practice Test