The USB cables should appear as serial ports. If you cannot see'em as serial ports on the Mac, you cannot get past square 0. (I've found it useful to jumper the TX and RX pins on the cable's radio plug and try to send typed characters through the USB cable as a serial port using a terminal emulator; you should see the typed characters echoed on the console. How to properly jumper the TX and RX will depend on the circuitry in your particular cable, but this is discoverable from a 'Net search.)

On Wed, Apr 2, 2014 at 9:51 AM, Brett Davidson <ctsp22@gmail.com> wrote:

Hello,

I am having issues setting up the Chirp, the only ports I see is for bluetooth options. I do not see the USB ports.

I have a MacBook Air.

I have installed the drivers for the USB cables with no luck.
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Each of us has strengths and talents that others don't. Whether innate or learned, these are gifts -- and a gift not shared is a sad and lonely thing. Using our gifts for the benefit of all is an ethical obligation for every intelligent being. (The magic only works if you pass it on!)