[arm-allstar] COS on older VHF radio

[Rachid Karroo]

I have checked and the LED remains on when the squelch is opened in any
mode (FM, SSB, CW). I will probe around that area. The rig is the 290 RII
from Yaesu

Rachid
3B8FP

On Mon, Apr 29, 2019 at 5:45 PM "Mike Besemer - WM4B via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Looking deeper, that may not work since the LED flickers on voice peaks
> on TX (although I'm not sure if it does that in FM mode or only in SSB).
> Try poking around the Collector of Q3021 and see what you see.
>
> Mike
> WM4B
>
>
> On Mon, Apr 29, 2019 at 7:16 AM, "Mike Besemer - WM4B via ARM-allstar"
> wrote:
>
> > 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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