That should take care of it.... T.I.A.
73 Stewart G3RXQ On Fri, 12 Dec 2008 12:47:29 -0800, Eric Swartz - WA6HHQ, Elecraft wrote: > Hi Mike, > > It is. This is something that doesn't show up all the time so we were > not aware of it until it was noted here on the list recently. > > We're adding an additional power on mute time delay to the firmware > right now. > > 73, Eric > > Mike Scott wrote: >> The power on rush of noise is almost earsplitting here in headset and >> external speakers, K3 serial 509. It lasts for about a quarter of a second. >> If I had the volume turned up it could cause damage to a speaker or my ears, >> it is that loud. For this reason alone it should be a high priority fix. >> Perhaps just blank the receiver in the turn on sequence for enough time to >> cover the transient. >> >> It has existed over the last several firmware updates. I notice that it is >> worse when the bandwidth is set wider such as 2.7 KHz SSB mode. It does not >> matter if a signal is present or not. I have high background noise level >> here (S-7) so I expect that might be equivalent to having a signal present. >> >> When set for CW at 400 Hz the momentary noise is there but much-much subdued >> and not objectionable at all so CW operators may not notice the effect. The >> effect is there in SSB/Data/CW modes. I don't hear it in AM/13KHz. >> >> >> Mike Scott - AE6WA >> Tarzana, CA (DM04 / near LA) >> K3-100 #508/ KX1 #1311 >> >> > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
