No I think it's working correctly. For standard RTTY, mark should be high and space low. (If you're of a certain age, remember the mnemonic LSMFT - Low Space Makes Fine Teletype.)
Al N1AL On Fri, 2007-12-28 at 13:19, Van W1WCG wrote: > Hi Wayne, > > Everything works great -- but how do I reverse mark and space tones? > REV does not do this. I listened to a few test signals on 20m and then > noticed > that while sending in TEST TX mode, my mark and space are reversed > from the prevailing on-the-air sense, with the mark being the high tone > instead of the low tone. The LSB indicator is on while setting the data > mode to FSK D, but it goes away after the menu is dismissed. But I > can't seem to exchange or reverse the tones. > > Have I missed something??? > > 73, Van W1WCg > K3 #42 > > ----- Original Message ----- > From: "wayne burdick" <[EMAIL PROTECTED]> > To: "Elecraft Reflector" <[email protected]> > Sent: Friday, December 28, 2007 1:24 PM > Subject: [Elecraft] K3 operating tip: RTTY operation without a computer > > > > If you're a CW operator but would like to dabble a bit in RTTY (especially > > easy during a contest), you're in luck: You can use the K3's internal > > keyer to directly transmit RTTY. You can also copy RTTY on the K3's text > > display, making it a self-contained RTTY station -- no need to set up > > computer cables or software. > > > > Just follow the procedure below (all parameters are saved, so you'll only > > need to do the setup one time). > > > > 1. Tap either end of MODE to get to DATA, then hold DATA MD and select FSK > > D. > > > > 2. Hold PITCH and select a mark tone; I use 915 Hz. > > > > NOTE: No matter what pitch you select for FSK D mode, the K3's VFO will > > always show you your mark frequency. Thus there's no need to do any math > > to convert from an SSB suppressed-carrier frequency to the actual data > > carrier frequency. This makes RTTY operation very similar to CW: just tune > > in a signal and call them using the keyer paddle. > > > > 3. Hold TEXT DEC and turn the text decoder. You'll start seeing random > > noise characters on the VFO B display. > > > > 4. Tap CWT; the upper half of the S-meter will become an RTTY tuning aid. > > When tuning in signals, try to get the mark and space tones balanced in > > their number of bars on either side of the CWT pointer. > > > > 5. Set power to the desired level. The K3 can transmit at full power in > > RTTY mode. > > > > 6. Plug in a keyer paddle. Adjust the sidetone volume in CW mode (if > > necessary), then switch back to DATA mode. > > > > 7. Send a few characters with the paddle. If you don't hear the FSK > > signal, adjust the MONitor level (hold the CMP/PWR knob in to select MON > > level adjust). Note that you can adjust the levels in TX TEST mode, too, > > without putting out any power. This is a good way to practice with > > CW-to-RTTY. > > > > 8. If you pause, the K3 will remain in a data idle state for about 4 > > seconds before automatically returning to receive mode. To cut the 4 > > second timeout to about 1 second, you can send "..--" (IM prosign, for > > "IMmediately exit"). > > > > For further details, see the Owner's Manual, page 32 (revision C). > > > > Have fun! > > > > 73, > > Wayne > > N6KR > > > > --- > > > > 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 > > _______________________________________________ > 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
