In the leading option, the data burst is sent at the moment a user presses the radio's push-to-talk button.

Instead, you highlight a name in your address book, press the push-to-talk button, and start talking.

Borozeni remembered to work the push-to-talk button on his radio.

Borozeni worked the push-to-talk button, then stared skyward at the chopper.

Most family radios come with a keyboard lock, which turns off all but the push-to-talk button and volume controls.

The push-to-talk button is split into two segments.

Each time the radio's push-to-talk button is pressed, the radio transmits the seven tone sequence at the beginning of the transmission.

Another long pause, then the click of the push-to-talk button.

Each channel has an independent push-to-talk button, allowing the dispatcher to talk over one channel at a time.

The radio user must use the push-to-talk button to speak and cannot talk and receive simultaneously.