sorry abt that. wrong list..
On 2019-09-20 22:38, Bjorn Pehrson wrote:
Jag försökte kasta om GPIO_IN_LOW="gpio18" till GPIO_IN_HIGH="gpio18"
men det blev ingen skillnad så det verka inte vara svxlik som bråkar.
Å andra sidan är spänningarna rätt...
Mysko
On 2019-09-20 22:29, RALPH TURK wrote:
I can not use the digital modes because I need to switch to Upper SB
after the last
electron has been sent in the digital mode and the reverse. Call is
instant break in
between USB voice and digital M110 A
This could be a deal breaker on a K4 purchase.
Ralph, W7HSG/AFA9rt
On September 20, 2019 at 12:52 PM Jim Rhodes <j...@rhodesend.net> wrote:
That is the way my old TS-570 is but my K3 has only 1 ptt line, but
if I am
not mistaken in digital modes the mic is muted. I am not sure of
that since
I hardly ever have a mic plugged in, but I think that is what I read
in the
book.
Jim Rhodes
K0XU
On Fri, Sep 20, 2019, 09:05 Andy Durbin <a.dur...@msn.com> wrote:
"I need to be able to switch from digital (M110A) to voice on a
moments
notice so can not use the digital modes. The mike is hot while
transmitting digital. Most mikes leave the mike element hot. The
PTT is a
SPST switch. This means that you have to be careful not to have
any noise
in the shack while transmitting digital. If there is a way on the K3,
service was not able to point it out."
It would be very surprising to me if K3 and K4 had such a limitation.
This situation is handled perfectly in the Kenwood TS-590 by using 2
distinct keying commands. Front panel PTT is equivalent to CAT
TX0; and
takes modulation from the front panel mic jack. TX1; and the
equivalent
ACC hardware PTT, take modulation from the USB Audio CODEC or ACC
analog
audio input leaving the mic muted.
Switching between front mic and digital is simply accomplished by
asserting the appropriate PTT line or CAT command. The digital mode
application asserts TX1; Keying mode cannot be changed while
transmitting
so first keying command wins until TX stops.
73,
Andy, k3wyc
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