[arm-allstar] COS on older VHF radio

[Mike Besemer - WM4B]

On the CPU Unit J01 Pin 9 (mates with Control Unit J02 Pin 9) there is a 
signal called 'Busy/Mod'.  It appears to be an active low.  I'd probe 
that point and see if it switches state while opening/closing the 
squelch.

Mike
WM4B


On Mon, Apr 29, 2019 at 3:05 AM, "Rachid Karroo via ARM-allstar" wrote:

> I have an old Yaesu FT 290R II and am planning to use it on another 
> ASL
> node.
> It has a Mic, PTT, Ground and Audio out in the 8 pin microphone plug.
>
> I am planning to modify a USB sound FOB for it.
>
> Any suggestions please?
>
> 73's
>
> Rachid
> 3B8FP
> Node 40248
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