Yaesu FT-70DR Operating Manual

Also see for FT-70DE: Operating manual Advance manual Operating manual Manual Instruction manual

Contents

Yaesu FT-70DR Operating Manual Manual pdf 19 page image

17FT-70DR/FT-70DE Operating ManualFixing the Communication Mode1. To fix the transmit operation mode, press andhold the [AMS] key to turn the AMS function OFF.The “AMS” icon turns off.2. Press the [MODE] key to change the commui-cation mode. Current Communication ModeCommunication Mode Icon Description of ModesV/D Mode(Voice/Data simultaneoustransmission mode)This is the standard digital mode.Calls are less prone to interruptions caused by detection andcorrection of the received digital voice signal.Voice FR Mode *1(Voice Full Rate Mode) * 1 High speed data communication using entire 12.5 kHz band.Enables high-quality voice communication.FM Mode Analog communication using FM mode.AM Mode (receive only) *2The AM mode for receive only.*1 When the Set Mode [16 DIG VW] ( 36) is set to “ON” (factory default is “OFF”), the Voice FR mode (VW) may be selected.*2 When the Set Mode [47 RX MOD] ( 37) is set to “AUTO” (factory default setting), AM mode is automatically selected withinthe AIR band (108 - 136.995 MHz).Transmission1. While pressing and holding the PTT switch,speak into the microphone.The MODE/STATUS Indicator lights during thetransmission.Transmission mode LeftportionRightportionAnalog FM Red RedDigital C4FM mode BlueIf the PTT switch is pressed when a frequency otherthan the amateur ham radio band is selected, analarm tone (beep) will be emitted and “ERROR”appears on the LCD, disabling transmission.2. Release the PTT switch to return to receive mode.When receiving a signal, the MODE/STATUSIndicator lights according to the receive mode.MicrophoneMode/Status indicatorReceive mode LeftportionRightportionAnalog FM Green GreenDigital C4FM mode BlueIf transmission is continued for a long period, the transceiver overheats and the high temperatureprotection function is activated. As a result, the transmitting power level is automatically set to LowPower. If transmission continues while the high temperature protection function is active, the transceiverwill be forcibly returned to the receive mode.