Silent Audio Tx Period

Selects the amount of time that the radio automatically keys-up and transmits while operating in the Emergency via Silent Audio Enable Emergency Mode (see Emergency Auto Transmit Mode). This feature applies for the current Conventional Emergency Profile and is only possible for ASTRO signaling systems.

When the Emergency Type field is set to "Alarm and Call", and

when the Emergency Auto Transmit Mode field is set to "Emergency via Silent Audio".