Aah, that would explain it. Nomatter, I’ll connect up the CAT and use that.
Thanks, Don 73 Gareth - M5KVK [email protected] [email protected] > On 18 Aug 2015, at 12:30, Don Wilhelm <[email protected]> wrote: > > Gareth, > > The VOX on the K2 is the weak point in the KSB2 design. You will be better > off using PTT on the K2. > A simple "one transistor keying" circuit can be added to the serial port RTS > or DTR (which depends on your software) to trigger the K2 PTT will give you > reliable operation. > > 73, > Don W3FPR > > On 8/18/2015 4:49 AM, Gareth - M5KVK wrote: >> Hi >> I think I may have a problem somewhere in my audio chain. I say may because >> what I'm seeing may be correct: I'm not sure. >> >> I have a Windows 7 PC running DM780 with a Tascam US2X2 connected via a >> 20dB pad (10k/1k) to the Mic connector on the K2. I am using VOX, so >> there's no other connection. >> >> When I increase the Line Out on the Tascam to point at which the VOX >> operates, I immediately see one bar on the ALC. The bar is pretty steady: >> maybe very slight flashing. Regardless of further Line Out increases, I >> never see more than one bar. >> >> I understood that the drive level should be adjusted to the point of one >> bar ALC and then backed off slightly so that ALC is only flashing >> occasionally. If I back off even slightly, the VOX drops out. >> >> Is this an artifact of the VOX? i.e. the VOX activation level is too high? >> Is it an indication that the 20dB pad is too high? Or is this normal and I >> just adjust Line Out until the VOX opens and then leave it there: even >> though one bar of ALC is on. >> >> > ______________________________________________________________ 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 Message delivered to [email protected]

