The AUTOINF (Tech mode) switch can have the K3(S) automatically
send frequency data on the RS-232 interface. The manual warns
that turning this on may not be compatible with all PC software,
but everything I run seems happy with it being on. With this on,
you don't need to have a program polling for this information.
73 Bill AE6JV
On 7/15/18 at 2:00 AM, elecraft@mailman.qth.net (Stephen Rector
via Elecraft) wrote:
With this configuration, the Antenna controller has its TXD pin
left unconnected. As many here noted, this is of necessity
since only one TXD driver can exist on a common TXD line. So,
for the controller to work, FLRig must be running and connected
to the radio. Since FLRig polls the KX3 control parameters, the
Antenna controller receives the VFO data it needs on its RXD
line. Apparently it doesn't matter that the controller is not
doing the polling, as long as something else is.
-----------------------------------------------------------------------
Bill Frantz | Can't fix stupid, but duct | Periwinkle
(408)356-8506 | tape can muffle the sound... | 16345
Englewood Ave
www.pwpconsult.com | - Bill Liebman | Los Gatos,
CA 95032
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