Icom IC-F6121D Operating Guide - Page 12

3 IDAS OPERATION ■ Receiving a call (continued) D Talk Back function The talk back function allows you to select the same call mode (Analog or Digital) and/or call type (Individual or Talkgroup) as the received call. When the talk back timer is set to 0 seconds, this function is not activated. Ask your dealer for setting details. If this function is cancelled by pushing [Digital Button] or any other keys, or after the talk back timer period has passed, the transceiver automatically returns to the default call mode and type. If the received call is a digital signal, the talk back function is activated only for Voice Call, Call Alert, Status Message and Message.* * Depending on the preprogramming, the talk back function may be activated for only Voice Call. When the channel type is "Mixed-Analog" After receiving a digital signal, you can select the digital call mode by pushing [PTT] before or during the talk back timer period. When the channel type is "Mixed-Digital" After receiving an analog signal that can release the mute, you can select the analog call mode by pushing [PTT] before or during the talk back timer period. When the channel type is "Mixed-Digital" or "Digital" After receiving a digital signal, you can select the same call type for the received call (Individual or Talkgroup), by pushing [PTT] before or during the talk back timer period. NOTE: When the Talk Back function is not activated, the transceiver transmits an analog signal on a "Mixed-Analog" channel, and transmits a digital signal on a "Mixed-Digital" channel. • The transceiver receives both analog and digital signals on the "Mixed-Analog" and "Mixed-Digital" channels, regardless of this function. 9