911 Operator Test 911 Operator Test Radio Communications and Dispatch Protocols 1 — Questions and Answers
Question 1: What does the radio code '10-4' typically mean in dispatch communications?
- Acknowledged/Message received (Correct answer)
- Officer needs assistance
- Disregard last transmission
- Return to headquarters
Correct answer: Acknowledged/Message received
'10-4' is a standard radio code meaning the message has been received and understood.
Question 2: What is the NATO phonetic alphabet word for the letter 'A'?
- Alpha (Correct answer)
- Apple
- Able
- Arrow
Correct answer: Alpha
'Alpha' is the NATO phonetic alphabet word for A, used to prevent miscommunication over radio.
Question 3: What does '10-20' typically mean in police radio codes?
- Location (Correct answer)
- Officer down
- Robbery in progress
- All clear
Correct answer: Location
10-20 is a standard radio code used to request or state a unit's current location.
Question 4: What is the PRIMARY purpose of using a phonetic alphabet during radio transmissions?
- To ensure letters are clearly understood despite noise or static (Correct answer)
- To communicate faster than normal speech
- To keep transmissions confidential
- To follow federal radio regulations
Correct answer: To ensure letters are clearly understood despite noise or static
Phonetic alphabets prevent misidentification of similar-sounding letters like B and D over noisy radio channels.
Question 5: What does '10-33' typically mean in many US dispatch systems?
- Emergency — all units clear the channel (Correct answer)
- Traffic stop in progress
- Officer on meal break
- Unit is off duty
Correct answer: Emergency — all units clear the channel
10-33 signals an emergency requiring all units to clear the radio channel for priority traffic.
Question 6: When a dispatcher says 'stand by' to a caller, what should the caller do?
- Remain on the line and wait (Correct answer)
- Hang up and call back in one minute
- Dial a non-emergency number instead
- Speak louder so the dispatcher can hear
Correct answer: Remain on the line and wait
'Stand by' instructs the caller to stay on the line while the dispatcher handles another task or dispatches units.
911 Operator Test 911 Operator Test Radio Communications and Dispatch Protocols 1
What does the radio code '10-4' typically mean in dispatch communications?