25Changing the Frequency StepThe DIAL knob rotation frequency step may be changed. Normally, the factory defaultsetting will provide a good frequency step.1. Press and hold the [DISP] key, then touch [CONFIG].2. Touch [18 STEP] then rotate the DIAL knob to change the frequency step.3. Press the PTT switch to save the setting and return to normal operation.In the default setting, of the frequency step is set to “AUTO”, which automatically providesa suitable frequency step according to the frequency band.Selecting the Communication Modez Using AMSThe FT3DR/DE transceiver is equipped with the AMS(Automatic Mode Select) function which automaticallyselects the communication mode corresponding to thereceived signal.To utilize the AMS function, touch [MODE] repeatedlyto display “ *”, “ *” or “ *” on the display. Afterreceiving the signal, “FM” of “ ” will change to indicatethe mode of the received signal.*The display differs depending on the received signal.z Setting the transmit mode when using the AMSfunctionThe AMS function will automatically set the receiver tothe mode of the received signal, but the transmit modemay be fixed regardless of the received mode.1. Touch [AUTO]* to tune to the desired transmit modeas follows.*The display differs depending on the transmit mode.Transmit Mode Receive and TransmitAUTO(default)Receive׃ Automatically selects the receive mode corresponding to the received sig-nal.Transmit: Automatically transmits in the communication mode selected by the AMSfunction.TX FMReceive׃ Automatically selects the receive mode corresponding to the received sig-nal.Transmit: Always transmits in the analog FM mode.TX DN(TX DIGITAL)Receive׃ Automatically selects the receive mode corresponding to the received sig-nal.Transmit׃ Always transmits in the DN mode.
