The link I gave you goes directly to R-390, NOT the R-390A. I even downloaded them to be sure it worked BEFORE I posted that link.
Having an R-390A, I can see the difference immediately! Bob - N0DGN John King wrote: > Bob, I only see the R390A on the manual site. 73, John > > > > ----- Original Message ---- > From: John King <[email protected]> > To: Discussion of AM Radio in the Amateur Service <[email protected]> > Sent: Wed, December 2, 2009 2:22:11 PM > Subject: Re: [AMRadio] Muting the R390 on transmit > > Thanks Bob, I will go there, 73, John, K5PGW > > > > ----- Original Message ---- > From: rbethman <[email protected]> > To: Discussion of AM Radio in the Amateur Service <[email protected]> > Sent: Wed, December 2, 2009 2:20:36 PM > Subject: Re: [AMRadio] Muting the R390 on transmit > > John, > > The manuals are on EDEBRIS. > > <http://bama.edebris.com/manuals/military/r390/> > > Bob - N0DGN > > John King wrote: > >> Thanks Larry. I have switched the break in to "ON" and had no mute. I have >> 12.95 vac at terminal 9 on the terminal board on the rear of the rcvr with >> the break in switch on and 1.68 vac at terminal 9 when the switch is off. >> 73, John, K5PGW >> >> >> >> ----- Original Message ---- >> From: Larry Szendrei <[email protected]> >> To: Discussion of AM Radio in the Amateur Service <[email protected]> >> Sent: Wed, December 2, 2009 1:43:22 PM >> Subject: Re: [AMRadio] Muting the R390 on transmit >> >> >> >> >>> Thanks for the reply, Grant. My R 390 doesn't mute when terminal 9 is >>> grounded. I have connected an alligator clip lead to terminal 9 and then >>> connected the other end of the clip lead to terminal 16 which is ground >>> and there is no effect. I can't figure out why there is no effect when >>> terminal 9 is grounded. What do you think, Grant? I do not have a manual >>> or schematic for the R390. 73, John, K5PGW >>> >>> >>> >> You didn't mention whether the Break In switch was "on", which, as Grant >> said, must be for it (=grounding the break-in terminal) to mute the >> receiver. Or, maybe there is a problem in that circuit in your R390. I >> used this function on my R390/URR, and it worked exactly as Grant >> described. >> >> 73/GL, >> -Larry/NE1S >> >> >> > > -- +------------------------------------------------------------------+ | AM Amateur Radio Operator NØDGN | +------------------------------------------------------------------+ | http://home.comcast.net/~rbethman/ | +------------------------------------------------------------------+ | Bob Bethman \\\|/// " The absence of a danger | | \\ ~ ~ // signal does *NOT* mean | | [email protected] (/ @ @ /) that everything is OK " | +----------------------o00o---°(_)°---o00o-------------------------+ ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/[email protected]/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: [email protected] To unsubscribe, send an email to [email protected] with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

