Re: Trio TS711 & 811
And the modification to the back of the tone switch. I suggest that you DO NOT unplug or remove this board to do this, you should be able to do it by removing the mains switch (2 screws) and the side screws and the whole front panel will fold down to allow access. Reset the radio and now when the tone button is pressed the VFO knob will cycle through the CTCSS tones.
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