Thanks Bob Very helpful as always.
I want the KPA1500, but I am afraid of bringing it so far 73, Jorge Enviado desde mi iPad El 20 mar. 2019, a la(s) 19:31, Bob Wilson, N6TV <n...@arrl.net> escribió: > On Mon, Mar 18, 2019 at 7:39 PM Jorge Diez - CX6VM <cx6vm.jo...@gmail.com> > wrote: >> what are the diferent ways to turn KPA1500´s on/off remotely? >> >> Is there any way to turn it on/off alone, with no need to turn on/off the >> K3? > > Yes. There are at least three methods to power the KPA1500 ON/OF > independently without using the REM jack on the back of KPA1500, assuming you > leave the rocker switch on the back of the separate KPA1500 power supply in > the ON position: > Connect the KPA1500 to a PC via USB cable. Use the KPA1500 Utility (running > on a local PC) to power the amp. on and off. The KPA1500 Remote Software > also has this capability. > -or- > Momentarily ground Pin 8 of the KPA1500 AUX connector. This is easily > accomplished using an S-BOX or S-BOX-USB and a simple program to pulse the > DTR or RTS pin of a real or virtual serial port, or you can build an > equivalent circuit using a resistor and NPN transistor (same technique that > is used by RemoteHams software to power up a K3 remotely with no RemoteRig > box required). A KPAK3AUX cable cannot be used (no connection on Pin 8). > Use a Y-BOX v2.1 which can connect DIGOUT 1 (Pin 11) to the amplifier PIn 8, > and a K3 Macro, as described in detail here. >> For example i want to turn on K3, but want to have KPA1500 off, is there any >> way to do that? > > Yes. See above. > > 73, > Bob, N6TV ______________________________________________________________ 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
