[Elecraft] K3 Sub Rx RF Gain issue and TX sticking

[Joe Subich, W4TV]

On 2015-07-02 2:06 PM, K4ia via Elecraft wrote:
 > The RF Gain control on the Sub RX acts weird.  It will seem deaf
 > until 3 o'clock on the dial.

Perform an RF Gain calibration using an XG2/XG3 and the automated
procedure in the K3 Utility software.

 > During Field Day, if I hit the Esc Key or the paddle to interrupt a
 > CQ (N1MM+) , my external keyer (MKUSB) would stop keying but the rig
 > would stay in transmit mode.

Make sure you *do not* enable *any* of the "PTT via Radio Command"
option in the N1MM+ radio port dialogs.  Limit PTT to hardware (RTS
or Winkey PTT) sources.

73,

    ... Joe, W4TV


On 2015-07-02 2:06 PM, K4ia via Elecraft wrote:
> The RF Gain control on the Sub RX acts weird.  It will seem deaf until 3
> o'clock on the dial.   Once past 3, the gain jumps up and then is linear
> if you turn it down.   This pattern will repeat if you turn off the Sub
> Rx and turn it back on again.  The main RX Rf Gain control is smooth and
> linear all through the dial range.   I have done the RX calibration
> routine on both receivers.
>
> During Field Day, if I hit the Esc Key or the paddle to interrupt a CQ
> (N1MM+) , my external keyer (MKUSB) would stop keying but the rig would
> stay in transmit mode.  Tapping the XMT button would put the rig back to
> RX mode.
>
> Ideas?
>