110Auto Active-Tuning Antenna System (ATAS-120A) OperationFT-891 Advance ManualManual TuningCarry out the tuning of the ATAS-120A manually.Manual tuning with the MH-31A8J1. Press and hold the PTT switch on the microphone to transmit.2. Press (press and hold) the [UP] or [DWN] key on the microphone to adjust the anten-na until the meter indicates the minimum SWR.Manual tuning from the FT-891 Control Panel1. Press the [F] key repeatedly to find the“ATAS SETTING” list screen.NOTE: This screen may be enabled/disabled via Menu Mode “05-12[ATAS SETTING]”.2. Press and hold the PTT switch on the micro-phone to transmit.3. Rotate the MULTI function knob to select[p] or [q], and then press (press and hold)the MULTI function knob to adjust the an-tenna until the meter indicates the minimumSWR.
