22-03 Radio Communication communications

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Questions and Answers

What should members do when I-calling another radio?

Alert the dispatcher of the I-call

Discontinue use of electronic devices

The radio being called will be pulled off their talkgroup for a time (correct)

Continue to listen to talkgroup audio

Why should members discontinue use of electronic devices in certain areas?

To prevent damage to the devices

To avoid triggering explosive devices (correct)

To minimize distractions during calls

To prevent interference with radio signals

What should members do when acknowledging radio calls from the dispatcher?

Give a brief description of the situation

Give their complete radio number first

Give east/west street locations first (correct)

Give their location first

What is the purpose of advising the dispatcher of changes in a call's status?

To notify supporting elements Signup and view all the answers

Why should members keep car-to-car transmissions at a minimum?

To confine transmissions to official police business Signup and view all the answers

What should members do when using the radio to communicate with other members?

Use their complete radio number Signup and view all the answers

Why should members be professional and refrain from using uncivil language?

To maintain a professional image Signup and view all the answers

What should members do when leaving their assigned talkgroup?

Notify the dispatcher Signup and view all the answers

What type of transmission does not use a talkgroup and can be heard by radio scanners?

Individual, Private or I-Call Signup and view all the answers

What is the purpose of the Radio Identification Number (RID) in a radio system?

To identify each radio and display its serial number or vehicle side number Signup and view all the answers

What is the primary function of a repeater in a radio system?

To receive a signal and re-transmit it with higher power Signup and view all the answers

Which type of transmission is typically not capable of communicating with dispatch?

E.P25 Conventional Signup and view all the answers

What is the primary difference between Simplex or Direct transmission and other types of transmission?

It does not use a repeater or other device in between Signup and view all the answers

What is the purpose of a System or Zone in a radio system?

To manage a set of talkgroups or channels Signup and view all the answers

What is a common characteristic of E.P25 Conventional transmissions?

They are typically not capable of communicating with dispatch Signup and view all the answers

What can be decoded by receiving units in a radio system?

Radio Identification Number (RID) Signup and view all the answers

What is the primary mode of radio communication used in the 8MA system?

Analog Conventional Mode Signup and view all the answers

What is the purpose of encrypting a radio transmission?

To prevent unauthorized personnel from hearing the transmission Signup and view all the answers

Who should members contact if they have questions regarding radio operation not covered in the directive?

Their respective division's training sergeant Signup and view all the answers

What is the name used to designate a particular frequency the radio will use in conventional mode?

Channel Signup and view all the answers

Can dispatch hear conventional radio transmissions?

No, in most cases Signup and view all the answers

What is an example of a conventional channel?

KCPD TLK Signup and view all the answers

What is the primary purpose of this directive?

To set forth the terminology and operational procedures for the radio system Signup and view all the answers

What is a characteristic of analog conventional mode?

It is always unencrypted and can be heard by other radios and scanners Signup and view all the answers

Study Notes

Radio Communications

Considerations

When calling another radio, the called radio will be pulled off its talkgroup for a time and will not hear any talkgroup audio, including dispatch calls.
Electronic devices should be discontinued and turned off within 100 yards of suspected explosive devices or in construction areas with warning signs.

Radio Usage Guidelines

Keep radio volume at an audible level when in-service and remain attentive to calls.
Be professional and refrain from using uncivil, harsh, or vulgar language.
Confine radio transmissions to official police business and information.
Keep car-to-car transmissions at a minimum and limit them to official police business.
Always acknowledge radio calls from the dispatcher by giving east/west street locations first and complete radio numbers.
Identify yourself by complete radio number when using the radio to communicate with other members.
Advise the dispatcher of any change in the status of a call, including change of location.
Advise the dispatcher via radio when 10-23 on all calls when the Mobile Data Computer (MDC) is not available or cannot be used.
Notify the dispatcher prior to leaving their assigned talkgroup.

Radio Terminology

I-Call: A specific type of radio transmission between two radios through the radio system where a talkgroup is not used.
P25 Conventional: A digital form of conventional mode where radio transmissions do not pass through the radio system and are typically not capable of communicating with dispatch.
Radio Identification Number (RID): A number assigned to each radio, sent every time Push to Talk (PTT) is pressed, and can be decoded by receiving units.
Repeater: Receives a signal and re-transmits it, usually with higher power and from a better location, to provide a greater communication range.
Simplex or Direct: A conventional mode where radios communicate with each other directly, transmit, receive, and operate on the same frequency and with no repeater or other device in between.
System or Zone: The name of a set of talkgroups or channels.

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Description

Learn about radio communication best practices, including I-calling and talkgroup protocols, and safety precautions near explosive devices or construction areas.