On 24 maj 2009, at 15.55, Jay Rodaman wrote: > I have a problem with noise in the shack. > On transmit it is picked up by the mic. Other than lowering the RF > gain I understand that > there is a setting which could reduce or eliminate this > some where in the config. Any tgoughts would be appreciated.
There's a noise gate in the K3 that will mute between words. Its easy to configure and fast enough for speech. It's will make sure your background noise is not amplified and processed between words. As other pointed out, a close talk microphone like the Heil HC4 or HC-5 will help a lot. I am running the HC-4 + compression + gate and have no problem with my rather loud amplifier fans. From Wayne's FW release notes: MCU 2.45 / DSP 1.92, 9-29-2008 * TRANSMIT NOISE GATE ADDED: The TX noise gate can be used to suppress transmitted audio below a certain level, e.g. a noisy fan (not the one on the K3, of course). To use the noise gate, locate CONFIG:TX GATE, tap ‘1’ to turn it ON, then use VFO A to set the desired threshold. Since there’s no visual indication that transmit audio is below the threshold, you should adjust it using the transmit voice monitor (MON), ideally using headphones. Set the threshold high enough to cut off transmit audio due to shack noise, but not so high that it causes your voice to dropout too frequently. The TX GATE threshold can be adjusted in TX TEST mode. 73 de Björn, SM0MDG SE0X ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
