164.4. Setting Transmission Methods for Audio Input to the Rear TerminalThe [SEND] keys on the PTT of the microphone connected to the TS-590S, and on theTS-590S control panel, are the method for transmitting audio input to the microphoneconnected to the TS-590S, so even if these operations are implemented, audio enteredas audio signals from ACC2 cannot be transmitted.To transmit audio input as audio signals from the ACC2, select one of the followingmethods.● Transmitting using the ARCP-590With the ARCP-590, settings must be done to transmit audio input through the rearterminal to use the on-screen [SEND] key.Select "Set transmit control" from the ARCP-590 "Tools" menu. The "Transmit controlsettings" window is displayed.In this window, select "ACC2/USB" in the "modulation line", and then select "ACC2".For details, refer to the ARCP-590 help.● Transmitting using the PKS terminal in the ACC2 connector.Audio input to the rear terminal can be transmitted by setting the PKS terminal in theACC2 connector on the rear of the TS-590S to low.For details of the connector and terminal specifications, refer to the TS-590S usermanual.● Transmitting using the PF keys allocated to the DATA SEND functions.If the DATA SEND functions have been allocated to the PF keys, operating the PF keysenables audio input to the rear terminal to be transmitted.For details, refer to "Allocating DATA SEND Functions to PF Keys".