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6

The manual, on page 56 says: TX monitor allows you to monitor the on-going transmission sound. This is convenient when you want to check the modulation sound quality of the transmission. In FSK mode, you can monitor the FSK signal that the transceiver is transmitting. 1 Press and hold [PWR (TX MONI)]. • The current TX monitor setting appears on the sub-...


1

When testing my speaker and volume knob(with music from my computer via audio cable), I the volume is too quiet. The line out on your computer is designed to drive the line in on some other equipment, not a speaker. The input impedance on a line input is typically around 10k ohms, and at maximum volume the voltage is around -10 dBV or 316 mV. This is simply ...


1

The FT-70DR uses the same microphones as the FT-60, including the SSM-17A that you seem to have missed. The plug looks to be a 3.5 mm TRRS. The FT-60 is a common HT that has been produced for years, and there should be lots of accessories for it. It's not clear if the FT-60 and FT-70DR use dynamic or electret (condenser) microphones, but most radios these ...


1

Going by the pictures (not much other information to go by), it seems the breakout cable has a standard headphone Jack and a smaller plug for the microphone. That seems a standard configuration. I would give your local (or less local) ham shop a call and just ask them. Or,honestly,i'd prefer to buy the two connectors and solder it myself. If you have no ...


1

Just about anything will radiate to some extent if you feed it with RF. It's actually more difficult to make devices not radiate. An antenna is just more efficient. So sure, you can get your headphones to radiate RF simply by connecting them to an RF amplifier. Unfortunately, this doesn't do anything useful. Put your head between two cell phones, WiFi radios,...


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