MDC RTT (Request-To-Talk) Button Access

Conventional Personality

Non-ASTRO Call

Selects the Request-To-Talk (RTT) mode for the current Conventional Personality. When enabled with either the "Manual" (MDC Request-to-Talk button-press or Request-to-Talk menu-selection) or the "Auto" (PTT button) selections, the radio sends an RTT signaling packet to the dispatcher requesting the ability to transmit voice on the channel.