You can easily check any of the four potentiometers (RF/AF gains) for
discontinuities via a utility available from the K3's CONFIG menu:
First, turn "TECH MD" ON
Then, find the "SW TEST" option, rotate the VFO-A knob until you see "Scn
Adc" on the display.
Then, while observing the VFO-B area o
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 t
Hi Buck,
While the RF gain control results in digital advice being sent to the K3's
CPU, it is not an encoder like some other controls on the front panel. This
will not be a firmware issue.
The RF and AF gain controls are dual potentiometers. A standard voltage is
placed across the pot (the two e
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
line
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