I do it that way myself ... each K3 (+P3) has an RS-232 A/B switch on it. The computer serial port has an A/B/C/D switch that connects to each of the A/B switches, the programming cable for the XG3 and for now the LP-100 (but normally my general purpose test port).
73, ... Joe, W4TV On 6/4/2012 11:09 PM, Don Wilhelm wrote: > An RS-232 A/B switch can make that changeover easy - the common of the > A/B switch connects to the K3 (or P3) and one side connects to the > nicroHam while the other side connects directly to a serial port (or USB > to serial adapter). A simple "flip of the switch" changes it from > normal configuration to Firmware download mode. > > 73, > Don W3FPR > > On 6/4/2012 10:56 PM, Bob Lanning wrote: >> Art - >> >> You have it right. >> >> In normal use the microHAM unit is in-between the PC and the K3 or if >> there is a P3 it is PC - P3 - K3. BUT when having to do FW update to >> the P3 or K3 or screen capture off the P3 the PC needs to be connected >> directly to the P3 or K3. >> >> 73, >> >> Bob - W6OPO >> >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html