Instruction Manual for YAESU models including: FTM-300DR, C4FM Dual Band Transceiver
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3 Displaying the Firmware Version To display the transceiver firmware version: 1. Press and hold the [F(SETUP)] key.2. Rotate the DIAL knob to select Set-up menu [DISPLAY], then press the DIAL knob. 3. Rotate the DIAL knob to select [5 SOFTWARE VERSION], then press the DIAL knob. 4. The software versions of “Main”, “Sub” and “DSP” are shown. ...