Hi Gabe,
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I¡¯m using the ATU-100 icm an IC705, 10 Watt Output.
The IC705 has a tuner socket which looks at tuner power-on before providing a tune command.
The ATU must already have power, if not, you should provide (external) power first, maybe via the Icom, a 7300 or 7610 will provide 12V at the Tuner socket, the 705 has a 3.5mm connector for tuner-on and tune signal only.
The Icom will ¡®see¡¯ the ATU power on signal from the adapter board (+5V) at the Tuner connector and will start the tuning process upon transmit key pressed.
That¡¯s ?what I¡¯ve figured out ?
73¡¯s, Nanko, PA0NVY
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