I had a similar problem some time ago. had me baffled for a while
If your computer is connected to line in and out try disconnecting
them. If the problem disappears then check that the sound card used
for the K3 audio by opening recording devices, then select the device
you are using for the K3 and click properties. Under the Listen tab be
sure that the box for "listen to this device" is not selected.
If it is it can create feed back that has some delays from both the K3
(if monitor Normal) and latency withing the sound card itself to create
this kind of echo. drove me nuts trying to figure it out.
also I find I need to keep the monitor level down when using the
headset, Yamaha CM500 here, otherwise there is some audio feedback
On 3/16/2013 15:52, Tony McClenny wrote:
Ideas to correct the following would be appreciated - thank you in advance.
This is something new and I am perplexed.
I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
HC5). The microphone line is connected to rear of K3 in the "Mono" jack.
The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
jack. The footswitch is connected to rear of K3 "PTT In".
When in VOX the K3 stays in transmit and sounds like echo of shots (my
imaginary sound) - when in PTT (preferred mode), as soon as I press the
footswitch to transmit, K3 TX light turns red, headphones outputs a series
of sound of echoes even before I say anything and if I speak my voice
echoes...
Mic Select FP.L with Bias set to Off
Mic + Lin On
Mic Gain 20
Comp 12
VOX Gain 050
VOX Delay 0.50
AF Gain High
SPKRS 2
SPKR+PH Yes
- Tony, N3ME -
118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638
Grid: FM28lm
<http://www.n3me.net> http://www.n3me.net
Elecraft K3 # 2462
PVRC Member
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